IMPLEMENTACION SISTEMA EN VISUAL.NET

Cree una aplicación que permita automatizar el proceso de registro de

solicitudes, toma de exámenes atrasados y cambios de centro.

Diseñar las siguientes tablas:

Estudiante

Imports System.Data.SqlClientPublic Class frmActEstudiante Inherits System.Windows.Forms.Form Dim daEstudiante As SqlDataAdapter Dim objDataSet As DataSet Dim flag As Integer Dim resultado As Integer Dim strCodigo As String

Const spExploracion = "Estudiante: Exploración de registros" Const spNuevo = "Estudiante: Nuevo Registro" Const spModificacion = "Estudiante: Modificación del Registro" Dim SQLAdapter_Master As SqlDataAdapter Dim DataSet_Master As DataSet#Region " Código generado por el Diseñador de Windows Forms "

Public Sub New() MyBase.New()

'El Diseñador de Windows Forms requiere esta llamada. InitializeComponent()

'Agregar cualquier inicialización después de la llamada a InitializeComponent()

End Sub

'Form reemplaza a Dispose para limpiar la lista de componentes. Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing Then If Not (components Is Nothing) Then components.Dispose() End If End If MyBase.Dispose(disposing) End Sub

'Requerido por el Diseñador de Windows Forms Private components As System.ComponentModel.IContainer

'NOTA: el Diseñador de Windows Forms requiere el siguiente procedimiento 'Puede modificarse utilizando el Diseñador de Windows Forms. 'No lo modifique con el editor de código. Friend WithEvents txtFechaIngreso As System.Windows.Forms.TextBox Friend WithEvents Label7 As System.Windows.Forms.Label Friend WithEvents Label5 As System.Windows.Forms.Label Friend WithEvents Label3 As System.Windows.Forms.Label Friend WithEvents Label2 As System.Windows.Forms.Label Friend WithEvents Label1 As System.Windows.Forms.Label Friend WithEvents txtTipo As System.Windows.Forms.TextBox Friend WithEvents txtApellidos As System.Windows.Forms.TextBox Friend WithEvents txtNombres As System.Windows.Forms.TextBox Friend WithEvents txtCodigo As System.Windows.Forms.TextBox Friend WithEvents lblRegistro As System.Windows.Forms.Label Friend WithEvents GroupBox2 As System.Windows.Forms.GroupBox Friend WithEvents btnBuscar As System.Windows.Forms.Button Friend WithEvents btnSalir As System.Windows.Forms.Button Friend WithEvents btnEliminar As System.Windows.Forms.Button Friend WithEvents btnCancelar As System.Windows.Forms.Button Friend WithEvents btnGuardar As System.Windows.Forms.Button Friend WithEvents btnEditar As System.Windows.Forms.Button Friend WithEvents btnNuevo As System.Windows.Forms.Button Friend WithEvents ImageList1 As System.Windows.Forms.ImageList Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox Friend WithEvents btnUltimo As System.Windows.Forms.Button Friend WithEvents btnSiguiente As System.Windows.Forms.Button Friend WithEvents btnAnterior As System.Windows.Forms.Button Friend WithEvents btnPrimero As System.Windows.Forms.Button Friend WithEvents HelpProvider1 As System.Windows.Forms.HelpProvider <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.components = New System.ComponentModel.Container Dim resources As System.ComponentModel.ComponentResourceManager = New System.ComponentModel.ComponentResourceManager(GetType(frmActEstudiante)) Me.txtFechaIngreso = New System.Windows.Forms.TextBox Me.Label7 = New System.Windows.Forms.Label

Me.Label5 = New System.Windows.Forms.Label Me.Label3 = New System.Windows.Forms.Label Me.Label2 = New System.Windows.Forms.Label Me.Label1 = New System.Windows.Forms.Label Me.txtTipo = New System.Windows.Forms.TextBox Me.txtApellidos = New System.Windows.Forms.TextBox Me.txtNombres = New System.Windows.Forms.TextBox Me.txtCodigo = New System.Windows.Forms.TextBox Me.lblRegistro = New System.Windows.Forms.Label Me.GroupBox2 = New System.Windows.Forms.GroupBox Me.btnBuscar = New System.Windows.Forms.Button Me.ImageList1 = New System.Windows.Forms.ImageList(Me.components) Me.btnSalir = New System.Windows.Forms.Button Me.btnEliminar = New System.Windows.Forms.Button Me.btnCancelar = New System.Windows.Forms.Button Me.btnGuardar = New System.Windows.Forms.Button Me.btnEditar = New System.Windows.Forms.Button Me.btnNuevo = New System.Windows.Forms.Button Me.GroupBox1 = New System.Windows.Forms.GroupBox Me.btnUltimo = New System.Windows.Forms.Button Me.btnSiguiente = New System.Windows.Forms.Button Me.btnAnterior = New System.Windows.Forms.Button Me.btnPrimero = New System.Windows.Forms.Button Me.HelpProvider1 = New System.Windows.Forms.HelpProvider Me.GroupBox2.SuspendLayout() Me.GroupBox1.SuspendLayout() Me.SuspendLayout() ' 'txtFechaIngreso ' Me.txtFechaIngreso.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.txtFechaIngreso.ForeColor = System.Drawing.SystemColors.HotTrack Me.txtFechaIngreso.Location = New System.Drawing.Point(168, 112) Me.txtFechaIngreso.Name = "txtFechaIngreso" Me.txtFechaIngreso.Size = New System.Drawing.Size(160, 20) Me.txtFechaIngreso.TabIndex = 61 ' 'Label7 ' Me.Label7.BackColor = System.Drawing.Color.Transparent Me.Label7.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, CType((System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.FontStyle), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label7.ForeColor = System.Drawing.Color.Blue Me.Label7.Location = New System.Drawing.Point(24, 112) Me.Label7.Name = "Label7" Me.Label7.Size = New System.Drawing.Size(152, 24) Me.Label7.TabIndex = 60 Me.Label7.Text = "Fecha de Ingreso:" ' 'Label5 ' Me.Label5.BackColor = System.Drawing.Color.Transparent

Me.Label5.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, CType((System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.FontStyle), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label5.ForeColor = System.Drawing.Color.Blue Me.Label5.Location = New System.Drawing.Point(24, 144) Me.Label5.Name = "Label5" Me.Label5.Size = New System.Drawing.Size(127, 24) Me.Label5.TabIndex = 59 Me.Label5.Text = "Tipo de Estudiante:" ' 'Label3 ' Me.Label3.BackColor = System.Drawing.Color.Transparent Me.Label3.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, CType((System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.FontStyle), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label3.ForeColor = System.Drawing.Color.Blue Me.Label3.Location = New System.Drawing.Point(24, 80) Me.Label3.Name = "Label3" Me.Label3.Size = New System.Drawing.Size(100, 23) Me.Label3.TabIndex = 58 Me.Label3.Text = "Apellidos:" ' 'Label2 ' Me.Label2.BackColor = System.Drawing.Color.Transparent Me.Label2.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, CType((System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.FontStyle), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label2.ForeColor = System.Drawing.Color.Blue Me.Label2.Location = New System.Drawing.Point(24, 48) Me.Label2.Name = "Label2" Me.Label2.Size = New System.Drawing.Size(100, 23) Me.Label2.TabIndex = 57 Me.Label2.Text = "Nombres:" ' 'Label1 ' Me.Label1.BackColor = System.Drawing.Color.Transparent Me.Label1.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, CType((System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.FontStyle), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label1.ForeColor = System.Drawing.Color.Blue Me.Label1.Location = New System.Drawing.Point(24, 8) Me.Label1.Name = "Label1" Me.Label1.Size = New System.Drawing.Size(48, 23) Me.Label1.TabIndex = 56 Me.Label1.Text = "Código:" ' 'txtTipo ' Me.txtTipo.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.txtTipo.ForeColor = System.Drawing.SystemColors.HotTrack Me.txtTipo.Location = New System.Drawing.Point(168, 144) Me.txtTipo.Name = "txtTipo"

Me.txtTipo.Size = New System.Drawing.Size(128, 20) Me.txtTipo.TabIndex = 55 ' 'txtApellidos ' Me.txtApellidos.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.txtApellidos.ForeColor = System.Drawing.SystemColors.HotTrack Me.txtApellidos.Location = New System.Drawing.Point(168, 80) Me.txtApellidos.Name = "txtApellidos" Me.txtApellidos.Size = New System.Drawing.Size(128, 20) Me.txtApellidos.TabIndex = 54 ' 'txtNombres ' Me.txtNombres.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.txtNombres.ForeColor = System.Drawing.SystemColors.HotTrack Me.txtNombres.Location = New System.Drawing.Point(168, 48) Me.txtNombres.Name = "txtNombres" Me.txtNombres.Size = New System.Drawing.Size(128, 20) Me.txtNombres.TabIndex = 53 ' 'txtCodigo ' Me.txtCodigo.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.txtCodigo.ForeColor = System.Drawing.SystemColors.HotTrack Me.txtCodigo.Location = New System.Drawing.Point(112, 8) Me.txtCodigo.Name = "txtCodigo" Me.txtCodigo.Size = New System.Drawing.Size(72, 20) Me.txtCodigo.TabIndex = 52 ' 'lblRegistro ' Me.lblRegistro.Font = New System.Drawing.Font("Times New Roman", 14.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.lblRegistro.ForeColor = System.Drawing.Color.Blue Me.lblRegistro.Location = New System.Drawing.Point(356, 35) Me.lblRegistro.Name = "lblRegistro" Me.lblRegistro.Size = New System.Drawing.Size(192, 24) Me.lblRegistro.TabIndex = 98 Me.lblRegistro.Text = "Registro:" ' 'GroupBox2 ' Me.GroupBox2.BackColor = System.Drawing.Color.Transparent Me.GroupBox2.Controls.Add(Me.btnBuscar) Me.GroupBox2.Controls.Add(Me.btnSalir) Me.GroupBox2.Controls.Add(Me.btnEliminar) Me.GroupBox2.Controls.Add(Me.btnCancelar) Me.GroupBox2.Controls.Add(Me.btnGuardar) Me.GroupBox2.Controls.Add(Me.btnEditar)

Me.GroupBox2.Controls.Add(Me.btnNuevo) Me.GroupBox2.Location = New System.Drawing.Point(16, 208) Me.GroupBox2.Name = "GroupBox2" Me.GroupBox2.Size = New System.Drawing.Size(600, 56) Me.GroupBox2.TabIndex = 96 Me.GroupBox2.TabStop = False ' 'btnBuscar ' Me.btnBuscar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnBuscar.ForeColor = System.Drawing.Color.Red Me.btnBuscar.ImageAlign = System.Drawing.ContentAlignment.MiddleRight Me.btnBuscar.ImageIndex = 7 Me.btnBuscar.ImageList = Me.ImageList1 Me.btnBuscar.Location = New System.Drawing.Point(344, 16) Me.btnBuscar.Name = "btnBuscar" Me.btnBuscar.Size = New System.Drawing.Size(80, 24) Me.btnBuscar.TabIndex = 6 Me.btnBuscar.Text = "&Buscar" ' 'ImageList1 ' Me.ImageList1.ImageStream = CType(resources.GetObject("ImageList1.ImageStream"), System.Windows.Forms.ImageListStreamer) Me.ImageList1.TransparentColor = System.Drawing.Color.Transparent Me.ImageList1.Images.SetKeyName(0, "") Me.ImageList1.Images.SetKeyName(1, "") Me.ImageList1.Images.SetKeyName(2, "") Me.ImageList1.Images.SetKeyName(3, "") Me.ImageList1.Images.SetKeyName(4, "") Me.ImageList1.Images.SetKeyName(5, "") Me.ImageList1.Images.SetKeyName(6, "") Me.ImageList1.Images.SetKeyName(7, "") Me.ImageList1.Images.SetKeyName(8, "") Me.ImageList1.Images.SetKeyName(9, "") Me.ImageList1.Images.SetKeyName(10, "") Me.ImageList1.Images.SetKeyName(11, "") Me.ImageList1.Images.SetKeyName(12, "") Me.ImageList1.Images.SetKeyName(13, "") Me.ImageList1.Images.SetKeyName(14, "") ' 'btnSalir ' Me.btnSalir.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnSalir.ForeColor = System.Drawing.Color.Red Me.btnSalir.ImageAlign = System.Drawing.ContentAlignment.MiddleRight Me.btnSalir.ImageIndex = 6 Me.btnSalir.ImageList = Me.ImageList1 Me.btnSalir.Location = New System.Drawing.Point(504, 16) Me.btnSalir.Name = "btnSalir" Me.btnSalir.Size = New System.Drawing.Size(80, 24) Me.btnSalir.TabIndex = 5

Me.btnSalir.Text = "&Salir" ' 'btnEliminar ' Me.btnEliminar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnEliminar.ForeColor = System.Drawing.Color.Red Me.btnEliminar.ImageAlign = System.Drawing.ContentAlignment.MiddleRight Me.btnEliminar.ImageList = Me.ImageList1 Me.btnEliminar.Location = New System.Drawing.Point(432, 16) Me.btnEliminar.Name = "btnEliminar" Me.btnEliminar.Size = New System.Drawing.Size(64, 24) Me.btnEliminar.TabIndex = 4 Me.btnEliminar.Text = "&Eliminar" ' 'btnCancelar ' Me.btnCancelar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnCancelar.ForeColor = System.Drawing.Color.Red Me.btnCancelar.ImageList = Me.ImageList1 Me.btnCancelar.Location = New System.Drawing.Point(272, 16) Me.btnCancelar.Name = "btnCancelar" Me.btnCancelar.Size = New System.Drawing.Size(64, 24) Me.btnCancelar.TabIndex = 3 Me.btnCancelar.Text = "&Cancelar" ' 'btnGuardar ' Me.btnGuardar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnGuardar.ForeColor = System.Drawing.Color.Red Me.btnGuardar.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft Me.btnGuardar.ImageIndex = 10 Me.btnGuardar.ImageList = Me.ImageList1 Me.btnGuardar.Location = New System.Drawing.Point(176, 16) Me.btnGuardar.Name = "btnGuardar" Me.btnGuardar.Size = New System.Drawing.Size(88, 24) Me.btnGuardar.TabIndex = 2 Me.btnGuardar.Text = "&Guardar" ' 'btnEditar ' Me.btnEditar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnEditar.ForeColor = System.Drawing.Color.Red Me.btnEditar.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft Me.btnEditar.ImageList = Me.ImageList1 Me.btnEditar.Location = New System.Drawing.Point(104, 16) Me.btnEditar.Name = "btnEditar" Me.btnEditar.Size = New System.Drawing.Size(64, 24) Me.btnEditar.TabIndex = 1

Me.btnEditar.Text = "&Editar" ' 'btnNuevo ' Me.btnNuevo.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnNuevo.ForeColor = System.Drawing.Color.Red Me.btnNuevo.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft Me.btnNuevo.ImageIndex = 14 Me.btnNuevo.ImageList = Me.ImageList1 Me.btnNuevo.Location = New System.Drawing.Point(8, 16) Me.btnNuevo.Name = "btnNuevo" Me.btnNuevo.Size = New System.Drawing.Size(80, 24) Me.btnNuevo.TabIndex = 0 Me.btnNuevo.Text = "&Nuevo" ' 'GroupBox1 ' Me.GroupBox1.BackColor = System.Drawing.Color.Transparent Me.GroupBox1.Controls.Add(Me.btnUltimo) Me.GroupBox1.Controls.Add(Me.btnSiguiente) Me.GroupBox1.Controls.Add(Me.btnAnterior) Me.GroupBox1.Controls.Add(Me.btnPrimero) Me.GroupBox1.ForeColor = System.Drawing.SystemColors.ActiveCaption Me.GroupBox1.Location = New System.Drawing.Point(348, 83) Me.GroupBox1.Name = "GroupBox1" Me.GroupBox1.Size = New System.Drawing.Size(240, 88) Me.GroupBox1.TabIndex = 97 Me.GroupBox1.TabStop = False ' 'btnUltimo ' Me.btnUltimo.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnUltimo.ForeColor = System.Drawing.Color.Navy Me.btnUltimo.Location = New System.Drawing.Point(128, 56) Me.btnUltimo.Name = "btnUltimo" Me.btnUltimo.Size = New System.Drawing.Size(96, 23) Me.btnUltimo.TabIndex = 3 Me.btnUltimo.Text = " &Ultimo >>" ' 'btnSiguiente ' Me.btnSiguiente.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnSiguiente.ForeColor = System.Drawing.Color.Navy Me.btnSiguiente.Location = New System.Drawing.Point(128, 16) Me.btnSiguiente.Name = "btnSiguiente" Me.btnSiguiente.Size = New System.Drawing.Size(96, 24) Me.btnSiguiente.TabIndex = 2 Me.btnSiguiente.Text = " &Siguiente >>" ' 'btnAnterior '

Me.btnAnterior.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnAnterior.ForeColor = System.Drawing.Color.Navy Me.btnAnterior.Location = New System.Drawing.Point(16, 56) Me.btnAnterior.Name = "btnAnterior" Me.btnAnterior.Size = New System.Drawing.Size(88, 24) Me.btnAnterior.TabIndex = 1 Me.btnAnterior.Text = "<< &Anterior" ' 'btnPrimero ' Me.btnPrimero.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnPrimero.ForeColor = System.Drawing.Color.Navy Me.btnPrimero.Location = New System.Drawing.Point(16, 16) Me.btnPrimero.Name = "btnPrimero" Me.btnPrimero.Size = New System.Drawing.Size(88, 23) Me.btnPrimero.TabIndex = 0 Me.btnPrimero.Text = "<< &Primero" ' 'HelpProvider1 ' Me.HelpProvider1.HelpNamespace = "D:\Proyecto_Taller_II\Prototipo_Visual\HTML\ActAlumnosSAM.htm" ' 'frmActEstudiante ' Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.BackColor = System.Drawing.Color.Gray Me.ClientSize = New System.Drawing.Size(632, 302) Me.Controls.Add(Me.GroupBox2) Me.Controls.Add(Me.GroupBox1) Me.Controls.Add(Me.txtFechaIngreso) Me.Controls.Add(Me.Label7) Me.Controls.Add(Me.Label5) Me.Controls.Add(Me.Label3) Me.Controls.Add(Me.Label2) Me.Controls.Add(Me.Label1) Me.Controls.Add(Me.txtTipo) Me.Controls.Add(Me.txtApellidos) Me.Controls.Add(Me.txtNombres) Me.Controls.Add(Me.txtCodigo) Me.Controls.Add(Me.lblRegistro) Me.ForeColor = System.Drawing.Color.FromArgb(CType(CType(0, Byte), Integer), CType(CType(0, Byte), Integer), CType(CType(0, Byte), Integer), CType(CType(0, Byte), Integer)) Me.HelpButton = True Me.HelpProvider1.SetHelpKeyword(Me, "Estudiante") Me.HelpProvider1.SetHelpNavigator(Me, System.Windows.Forms.HelpNavigator.KeywordIndex) Me.HelpProvider1.SetHelpString(Me, "Estudiante") Me.MaximizeBox = False Me.MinimizeBox = False Me.Name = "frmActEstudiante" Me.HelpProvider1.SetShowHelp(Me, True)

Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen Me.Text = "Actualizando Estudiante" Me.GroupBox2.ResumeLayout(False) Me.GroupBox1.ResumeLayout(False) Me.ResumeLayout(False) Me.PerformLayout()

End Sub

#End Region

Private Sub ConfiguraControles(ByVal stStatus As Integer) txtCodigo.Enabled = False '(stStatus = 1) txtNombres.Enabled = (stStatus = 1) Or (stStatus = 2) txtApellidos.Enabled = (stStatus = 1) Or (stStatus = 2) txtFechaIngreso.Enabled = (stStatus = 1) Or (stStatus = 2) txtTipo.Enabled = (stStatus = 1) Or (stStatus = 2) btnPrimero.Enabled = (stStatus = 0) btnAnterior.Enabled = (stStatus = 0) btnSiguiente.Enabled = (stStatus = 0) btnUltimo.Enabled = (stStatus = 0) btnNuevo.Enabled = (stStatus = 0) btnEditar.Enabled = (stStatus = 0) btnGuardar.Enabled = (stStatus = 1) Or (stStatus = 2) btnCancelar.Enabled = (stStatus = 1) Or (stStatus = 2) btnBuscar.Enabled = (stStatus = 0) btnEliminar.Enabled = (stStatus = 0)

Select Case stStatus Case 1 'Agregando nuevo registro Me.Text = spNuevo txtCodigo.Text = "" txtNombres.Text = "" txtApellidos.Text = "" txtFechaIngreso.Text = "" txtTipo.Text = "" txtNombres.Focus() Case 2 'Modificando registro Me.Text = spModificacion txtNombres.Focus()

Case Else ' Exploracion de datos Me.Text = spExploracion End Select End Sub

Private Sub frmActEstudiante_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load MODCONEXION.Conexion.Open() daEstudiante = New SqlDataAdapter("Select * From Estudiante", MODCONEXION.Conexion) objDataSet = New DataSet() daEstudiante.Fill(objDataSet, "Estudiante") MODCONEXION.Conexion.Close()

Me.txtCodigo.DataBindings.Add("Text", objDataSet, "Estudiante.Cod_Estudiante")

Me.txtApellidos.DataBindings.Add("text", objDataSet, "Estudiante.Ape_Estudiante") Me.txtNombres.DataBindings.Add("Text", objDataSet, "Estudiante.Nom_Estudiante") Me.txtFechaIngreso.DataBindings.Add("text", objDataSet, "Estudiante.Fecha_Ingreso") Me.txtTipo.DataBindings.Add("text", objDataSet, "Estudiante.Tipo_Estudiante") ConfiguraControles(0)

End Sub

Private Sub HabilitarControles(ByVal est As Boolean)

Dim ctrl As Control For Each ctrl In Me.Controls If TypeOf ctrl Is TextBox Then ctrl.Enabled = est Next

End Sub

Private Sub HabilitarBotones(ByVal est As Boolean) Dim ctrl As Control For Each ctrl In Me.Controls If TypeOf ctrl Is Button Then ctrl.Enabled = est Next btnGuardar.Enabled = Not est btnCancelar.Enabled = Not est End Sub

Private Sub HabilitarEditar(ByVal est As Boolean) Dim ctrl As Control For Each ctrl In Me.Controls If TypeOf ctrl Is Button Then ctrl.Enabled = est Next btnEditar.Enabled = Not est btnBuscar.Enabled = Not est btnEliminar.Enabled = Not est btnNuevo.Enabled = Not est End Sub

Private Sub LimpiarControles() Dim ctrl As Control For Each ctrl In Me.Controls If TypeOf ctrl Is TextBox Then ctrl.Text = "" Next End Sub

Private Sub Actualizar() objDataSet.Clear() daAlumno.Fill(objDataSet, "Estudiante") End Sub

Private Sub GeneraCodigo() Dim cmd As New SqlCommand("select max(Cod_Estudiante)from Estudiante", MODCONEXION.Conexion) MODCONEXION.Conexion.Open()

strCodigo = cmd.ExecuteScalar MODCONEXION.Conexion.Close() txtCodigo.Text = Format(Val(strCodigo) + 1, "00000") End Sub

Private Sub BotonB(ByVal VarX As Boolean) btnSiguiente.Enabled = VarX btnUltimo.Enabled = VarX End Sub

Private Sub BotonA(ByVal VarX As Boolean) btnPrimero.Enabled = VarX btnAnterior.Enabled = VarX End Sub

Private Sub NumRegistro() Dim num, total As Integer num = Me.BindingContext(objDataSet, "Estudiante").Position + 1 total = Me.objDataSet.Tables("Estudiante").Rows.Count Me.lblRegistro.Text = "Reg: " & Str(num) & " de " & Str(total) End Sub

Private Sub btnPrimero_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnPrimero.Click Me.BindingContext(Me.objDataSet, "Estudiante").Position = 0 Call BotonA(False) Call BotonB(True) Call NumRegistro() End Sub

Private Sub btnSiguiente_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSiguiente.Click If Me.BindingContext(objDataSet, "Estudiante").Position < (Me.BindingContext(objDataSet, _ "Alumno").Count - 1) Then Me.BindingContext(objDataSet, "Estudiante").Position = _ (Me.BindingContext(objDataSet, "Estudiante").Position + 1) Call BotonA(True) Else Call BotonB(False) End If Me.NumRegistro() End Sub

Private Sub btnAnterior_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAnterior.Click If Me.BindingContext(objDataSet, "Estudiante").Position > 0 Then Me.BindingContext(objDataSet, "Estudiante").Position = _ (Me.BindingContext(objDataSet, "Estudiante").Position - 1) Call BotonB(True) Else Call BotonA(False) End If Me.NumRegistro() End Sub

Private Sub btnUltimo_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnUltimo.Click Me.BindingContext(Me.objDataSet, "Estudiante").Position = _ (Me.objDataSet.Tables("Estudiante").Rows.Count - 1) Call BotonB(False) Call BotonA(True) Me.NumRegistro() End Sub

Private Sub btnBuscar_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnBuscar.Click Dim strDato As String Dim fila As Integer Dim dv As New DataView() strDato = InputBox("Ingrese codigo de Estudiante", "Buscar", "") strDato = Trim(strDato) If Len(strDato) < 1 Then Exit Sub dv.Table = objDataSet.Tables("Estudiante") dv.Sort = "Cod_Estudiante" fila = dv.Find(strDato) If fila = -1 Then MessageBox.Show("Codigo de Estudiante no existe", "Cuidado") Exit Sub End If Me.BindingContext(objDataSet, "Estudiante").Position = fila Call NumRegistro() End Sub

Private Sub btnNuevo_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnNuevo.Click flag = 1 Call HabilitarBotones(False) Call LimpiarControles() Call GeneraCodigo() Call HabilitarEditar(True) 'Call BotonA(False) 'Call BotonB(False) ConfiguraControles(1) End Sub

Private Sub btnEditar_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEditar.Click flag = 2 ConfiguraControles(2) End Sub

Private Sub btnCancelar_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCancelar.Click MODCONEXION.Conexion.Open() objDataSet.RejectChanges() MODCONEXION.Conexion.Close() btnAnterior.PerformClick() ConfiguraControles(0) End Sub

Private Sub btnEliminar_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEliminar.Click

Dim sql3 As String sql3 = "delete from Estudiante where Cod_Estudiante=@Cod_Estudiante" Dim objComando As New SqlCommand(sql3, MODCONEXION.Conexion) Try objComando.Parameters.Add(New SqlParameter("@Cod_Estudiante", SqlDbType.VarChar)) objComando.Parameters("@Cod_Estudiante").Value = InputBox("Ingrese el código del Estudiante a eliminar: ") MODCONEXION.Conexion.Open() resultado = objComando.ExecuteNonQuery Call Actualizar() btnAnterior.PerformClick() ' Para que muestre el registro anterior luego de eliminar MessageBox.Show("Registros Eliminados: " & resultado, "", 0, MessageBoxIcon.Information) Catch exc As Exception MessageBox.Show(exc.Message) End Try MODCONEXION.Conexion.Close()

End Sub

Private Sub btnSalir_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSalir.Click MODCONEXION.Conexion.Close() Me.Close() End Sub

Private Sub btnGuardar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGuardar.Click Dim sql, oper As String If Not Datos_BienEscritos() Then Exit Sub End If

If flag = 1 Then ' Nuevo sql = "INSERT INTO Estudiante (Cod_Estudiante,Ape_Estudiante, Nom_Estudiante, Fecha_Ingreso, Tipo_Estudiante) VALUES (@Cod_Estudiante,@Ape_Estudiante, @Nom_Estudiante, @Fecha_Ingreso, @Tipo_Estudiante)" oper = " insertados: " Else ' Editar sql = "UPDATE Estudiante SET Cod_Estudiante=@Cod_Estudiante , Ape_Estudiante=@Ape_Estudiante, Nom_Estudiante=@Nom_Estudiante, Fecha_Ingreso=@Fecha_Ingreso,Tipo_Estudiante=@Tipo_Estudiante where Cod_Estudiante=@Cod_Estudiante" oper = " modificados: " End If 'Creando comando Dim objcomando As New SqlCommand(sql, MODCONEXION.Conexion) Try objcomando.Parameters.Add(New SqlParameter("@Cod_Estudiante", SqlDbType.Char)) objcomando.Parameters("@Cod_Estudiante").Value = txtCodigo.Text

objcomando.Parameters.Add(New SqlParameter("@Ape_Estudiante", SqlDbType.VarChar))

objcomando.Parameters("@Ape_Estudiante").Value = txtApellidos.Text

objcomando.Parameters.Add(New SqlParameter("@Nom_Estudiante", SqlDbType.VarChar)) objcomando.Parameters("@Nom_Estudiante").Value = txtApellidos.Text

objcomando.Parameters.Add(New SqlParameter("@Fecha_Ingreso", SqlDbType.DateTime)) objcomando.Parameters("@Fecha_Ingreso").Value = txtFechaIngreso.Text

objcomando.Parameters.Add(New SqlParameter("@Tipo_Estudiante", SqlDbType.VarChar)) objcomando.Parameters("@Tipo_Estudiante").Value = txtTipo.Text

MODCONEXION.Conexion.Open() resultado = objcomando.ExecuteNonQuery 'Ejecuta una instrucción de Transact-SQL en Connection y devuelve el número de filas afectadas. Call Actualizar() 'Para actualizar posición Call NumRegistro() MessageBox.Show("Registros " & oper & resultado, "", 0, MessageBoxIcon.Information) ConfiguraControles(0) Catch exc As Exception MessageBox.Show(exc.Message) End Try MODCONEXION.Conexion.Close() End Sub

Private Function CountRegistros(ByVal FieldCount As String, ByVal SQL As String) As Integer Dim oCNN As System.Data.SqlClient.SqlConnection Dim oCMD As System.Data.SqlClient.SqlCommand Dim oDRD As System.Data.SqlClient.SqlDataReader Dim i As Integer i = 0 oCNN = MODCONEXION.Conexion oCMD = NewComando(oCNN, SQL, CommandType.Text) Try oCNN.Open() oDRD = oCMD.ExecuteReader If Not (oDRD.Read) Then i = 0 Else i = oDRD.Item(FieldCount) End If Catch xErr As Exception MsgBox(xErr.Message) Finally oCNN.Close() oCMD = Nothing oDRD = Nothing End Try Return i End Function

Private Function Datos_BienEscritos() As Boolean Dim s As String txtCodigo.Text = Trim(txtCodigo.Text) txtNombres.Text = Trim(txtNombres.Text) txtApellidos.Text = Trim(txtApellidos.Text) txtFechaIngreso.Text = Trim(txtFechaIngreso.Text) txtTipo.Text = Trim(txtTipo.Text) If (Len(txtCodigo.Text) < 1) And (spModificacion = Me.Text) Then MessageBox.Show("Escriba los nombres.Actualización cancelada", "Faltan datos", 0, MessageBoxIcon.Information) Return False End If If (Len(txtNombres.Text) < 1) Then MessageBox.Show("Escriba los nombres.Actualización cancelada", "Faltan datos", 0, MessageBoxIcon.Information) txtNombres.Focus() Return False End If

If (Len(txtApellidos.Text) < 1) Then MessageBox.Show("Escriba los Apellidos.Actualización cancelada", "Faltan datos", 0, MessageBoxIcon.Information) txtApellidos.Focus() Return False End If

If (Len(txtFechaIngreso.Text) < 1) Then MessageBox.Show("Escriba los Apellidos.Actualización cancelada", "Faltan datos", 0, MessageBoxIcon.Information) txtFechaIngreso.Focus() Return False End If

If (Len(txtTipo.Text) < 1) Then MessageBox.Show("Escriba los Apellidos.Actualización cancelada", "Faltan datos", 0, MessageBoxIcon.Information) txtTipo.Focus() Return False End If

s = "SELECT total=Count(cod_Estudiante) FROM Estudiante WHERE (Ape_Estudiante='" & txtApellidos.Text & "')" s = s & " AND (nom_alumno = '" & txtNombres.Text & "')" If Me.Text = spModificacion Then s = s & " AND NOT (cod_Alumno='" & txtCodigo.Text & "')" End If If (CountRegistros("total", s) > 0) Then MessageBox.Show("Ese nombre ya existe en la BD.Actualización cancelada", "Faltan datos", 0, MessageBoxIcon.Information) txtNombres.Focus() Return False End If If Me.Text = spNuevo Then s = "SELECT total=Count(cod_Estudiante) FROM Estudiante WHERE (cod_Estudiante='" & txtCodigo.Text & "')"

If (CountRegistros("total", s) > 0) Then GeneraCodigo() End If Return True End Function

Private Function ActualizarBaseDeDatos(ByVal IsInsercion As Boolean) As Boolean Dim oCNN As System.Data.SqlClient.SqlConnection Dim oCMD As System.Data.SqlClient.SqlCommand Dim oPRM As System.Data.SqlClient.SqlParameter Dim Codigo As Integer Dim r As Boolean Codigo = 0 r = True ' oCNN = Conector.NewConexion() ' oCNN.Open() oCNN = MODCONEXION.Conexion If IsInsercion Then GeneraCodigo() oCMD = NewComando(oCNN, "dbo.InsertEstudiante", CommandType.StoredProcedure) Else oCMD = NewComando(oCNN, "dbo.ActualizarEstudiante", CommandType.StoredProcedure) End If oPRM = NewParameter("Nom_Estudiante", True, SqlDbType.VarChar, 20, txtNombres.Text) oCMD.Parameters.Add(oPRM) oPRM = NewParameter("Ape_Estudiante", True, SqlDbType.VarChar, 20, txtApellidos.Text) oCMD.Parameters.Add(oPRM) oPRM = NewParameter("Fecha_Ingreso", True, SqlDbType.DateTime, 8, txtFechaIngreso.Text) oCMD.Parameters.Add(oPRM) oPRM = NewParameter("Tipo_Estudiante", True, SqlDbType.Char, 18, txtTipo.Text) oCMD.Parameters.Add(oPRM) oPRM = NewParameter("Cod_Estudiante", True, SqlDbType.Char, 18, txtCodigo.Text) oCMD.Parameters.Add(oPRM)

Try oCNN.Open() oCMD.ExecuteNonQuery() Catch xErr As Exception MsgBox(xErr.Message) r = False Finally oCNN.Close() oCMD = Nothing oPRM = Nothing oCNN = Nothing End Try Return r End Function

Protected Overrides Sub Finalize() MyBase.Finalize() End Sub

Private Sub frmActEstudiante_Closed(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Closed MODCONEXION.FRMAA = False End Sub

End Class

Materias

Imports System.Data.SqlClientPublic Class frmActMateria Inherits System.Windows.Forms.Form Dim daCurso As SqlDataAdapter Dim daEspecialidad As SqlDataAdapter Dim daTeoria As SqlDataAdapter Dim objDataSet As DataSet Dim flag As Integer Dim resultado As Integer Dim strCodigo As String

Const spExploracion = "Materia: Exploración de registros" Const spNuevo = "Materia: Nuevo Registro" Const spModificacion = "Materia: Modificación del Registro" Dim SQLAdapter_Master As SqlDataAdapter Dim DataSet_Master As DataSet#Region " Código generado por el Diseñador de Windows Forms "

Public Sub New() MyBase.New()

'El Diseñador de Windows Forms requiere esta llamada. InitializeComponent()

'Agregar cualquier inicialización después de la llamada a InitializeComponent()

End Sub

'Form reemplaza a Dispose para limpiar la lista de componentes. Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing Then If Not (components Is Nothing) Then components.Dispose() End If End If MyBase.Dispose(disposing) End Sub

'Requerido por el Diseñador de Windows Forms Private components As System.ComponentModel.IContainer

'NOTA: el Diseñador de Windows Forms requiere el siguiente procedimiento 'Puede modificarse utilizando el Diseñador de Windows Forms. 'No lo modifique con el editor de código. Friend WithEvents Label3 As System.Windows.Forms.Label Friend WithEvents Label2 As System.Windows.Forms.Label Friend WithEvents Label7 As System.Windows.Forms.Label Friend WithEvents Label1 As System.Windows.Forms.Label Friend WithEvents cboCodEspecialidad As System.Windows.Forms.ComboBox Friend WithEvents txtCodigo As System.Windows.Forms.TextBox Friend WithEvents txtNom_Materia As System.Windows.Forms.TextBox Friend WithEvents cboId_Teoria As System.Windows.Forms.ComboBox Friend WithEvents lblRegistro As System.Windows.Forms.Label Friend WithEvents GroupBox2 As System.Windows.Forms.GroupBox Friend WithEvents btnBuscar As System.Windows.Forms.Button Friend WithEvents btnSalir As System.Windows.Forms.Button Friend WithEvents btnEliminar As System.Windows.Forms.Button Friend WithEvents btnCancelar As System.Windows.Forms.Button Friend WithEvents btnGuardar As System.Windows.Forms.Button Friend WithEvents btnEditar As System.Windows.Forms.Button Friend WithEvents btnNuevo As System.Windows.Forms.Button Friend WithEvents ImageList1 As System.Windows.Forms.ImageList Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox Friend WithEvents btnUltimo As System.Windows.Forms.Button Friend WithEvents btnSiguiente As System.Windows.Forms.Button Friend WithEvents btnAnterior As System.Windows.Forms.Button Friend WithEvents btnPrimero As System.Windows.Forms.Button <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.components = New System.ComponentModel.Container Dim resources As System.ComponentModel.ComponentResourceManager = New System.ComponentModel.ComponentResourceManager(GetType(frmActMateria)) Me.Label3 = New System.Windows.Forms.Label

Me.txtNom_Materia = New System.Windows.Forms.TextBox Me.cboCodEspecialidad = New System.Windows.Forms.ComboBox Me.Label2 = New System.Windows.Forms.Label Me.cboId_Teoria = New System.Windows.Forms.ComboBox Me.Label7 = New System.Windows.Forms.Label Me.Label1 = New System.Windows.Forms.Label Me.txtCodigo = New System.Windows.Forms.TextBox Me.lblRegistro = New System.Windows.Forms.Label Me.GroupBox2 = New System.Windows.Forms.GroupBox Me.btnBuscar = New System.Windows.Forms.Button Me.ImageList1 = New System.Windows.Forms.ImageList(Me.components) Me.btnSalir = New System.Windows.Forms.Button Me.btnEliminar = New System.Windows.Forms.Button Me.btnCancelar = New System.Windows.Forms.Button Me.btnGuardar = New System.Windows.Forms.Button Me.btnEditar = New System.Windows.Forms.Button Me.btnNuevo = New System.Windows.Forms.Button Me.GroupBox1 = New System.Windows.Forms.GroupBox Me.btnUltimo = New System.Windows.Forms.Button Me.btnSiguiente = New System.Windows.Forms.Button Me.btnAnterior = New System.Windows.Forms.Button Me.btnPrimero = New System.Windows.Forms.Button Me.GroupBox2.SuspendLayout() Me.GroupBox1.SuspendLayout() Me.SuspendLayout() ' 'Label3 ' Me.Label3.BackColor = System.Drawing.Color.Transparent Me.Label3.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, CType((System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.FontStyle), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label3.ForeColor = System.Drawing.Color.Blue Me.Label3.Location = New System.Drawing.Point(16, 80) Me.Label3.Name = "Label3" Me.Label3.Size = New System.Drawing.Size(152, 23) Me.Label3.TabIndex = 101 Me.Label3.Text = "Nombre Materia:" ' 'txtNom_Materia ' Me.txtNom_Materia.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.txtNom_Materia.ForeColor = System.Drawing.Color.Navy Me.txtNom_Materia.Location = New System.Drawing.Point(168, 80) Me.txtNom_Materia.Name = "txtNom_Materia" Me.txtNom_Materia.Size = New System.Drawing.Size(184, 20) Me.txtNom_Materia.TabIndex = 100 ' 'cboCodEspecialidad ' Me.cboCodEspecialidad.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.cboCodEspecialidad.ForeColor = System.Drawing.Color.Navy Me.cboCodEspecialidad.Location = New System.Drawing.Point(200, 112)

Me.cboCodEspecialidad.Name = "cboCodEspecialidad" Me.cboCodEspecialidad.Size = New System.Drawing.Size(121, 21) Me.cboCodEspecialidad.TabIndex = 99 ' 'Label2 ' Me.Label2.BackColor = System.Drawing.Color.Transparent Me.Label2.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, CType((System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.FontStyle), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label2.ForeColor = System.Drawing.Color.Blue Me.Label2.Location = New System.Drawing.Point(16, 112) Me.Label2.Name = "Label2" Me.Label2.Size = New System.Drawing.Size(176, 23) Me.Label2.TabIndex = 98 Me.Label2.Text = "Codigo de la Especialidad:" ' 'cboId_Teoria ' Me.cboId_Teoria.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.cboId_Teoria.ForeColor = System.Drawing.Color.Navy Me.cboId_Teoria.Location = New System.Drawing.Point(200, 144) Me.cboId_Teoria.Name = "cboId_Teoria" Me.cboId_Teoria.Size = New System.Drawing.Size(121, 21) Me.cboId_Teoria.TabIndex = 97 ' 'Label7 ' Me.Label7.BackColor = System.Drawing.Color.Transparent Me.Label7.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, CType((System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.FontStyle), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label7.ForeColor = System.Drawing.Color.Blue Me.Label7.Location = New System.Drawing.Point(16, 144) Me.Label7.Name = "Label7" Me.Label7.Size = New System.Drawing.Size(120, 23) Me.Label7.TabIndex = 96 Me.Label7.Text = "ID de Teoria:" ' 'Label1 ' Me.Label1.BackColor = System.Drawing.Color.Transparent Me.Label1.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, CType((System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.FontStyle), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label1.ForeColor = System.Drawing.Color.Blue Me.Label1.Location = New System.Drawing.Point(16, 24) Me.Label1.Name = "Label1" Me.Label1.Size = New System.Drawing.Size(152, 23) Me.Label1.TabIndex = 95 Me.Label1.Text = "Codigo Materia:" ' 'txtCodigo '

Me.txtCodigo.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.txtCodigo.ForeColor = System.Drawing.Color.Navy Me.txtCodigo.Location = New System.Drawing.Point(184, 24) Me.txtCodigo.Name = "txtCodigo" Me.txtCodigo.Size = New System.Drawing.Size(80, 20) Me.txtCodigo.TabIndex = 94 ' 'lblRegistro ' Me.lblRegistro.Font = New System.Drawing.Font("Times New Roman", 14.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.lblRegistro.ForeColor = System.Drawing.Color.Blue Me.lblRegistro.Location = New System.Drawing.Point(384, 32) Me.lblRegistro.Name = "lblRegistro" Me.lblRegistro.Size = New System.Drawing.Size(192, 24) Me.lblRegistro.TabIndex = 104 Me.lblRegistro.Text = "Registro:" ' 'GroupBox2 ' Me.GroupBox2.BackColor = System.Drawing.Color.Transparent Me.GroupBox2.Controls.Add(Me.btnBuscar) Me.GroupBox2.Controls.Add(Me.btnSalir) Me.GroupBox2.Controls.Add(Me.btnEliminar) Me.GroupBox2.Controls.Add(Me.btnCancelar) Me.GroupBox2.Controls.Add(Me.btnGuardar) Me.GroupBox2.Controls.Add(Me.btnEditar) Me.GroupBox2.Controls.Add(Me.btnNuevo) Me.GroupBox2.Location = New System.Drawing.Point(24, 203) Me.GroupBox2.Name = "GroupBox2" Me.GroupBox2.Size = New System.Drawing.Size(600, 56) Me.GroupBox2.TabIndex = 102 Me.GroupBox2.TabStop = False ' 'btnBuscar ' Me.btnBuscar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnBuscar.ForeColor = System.Drawing.Color.Red Me.btnBuscar.ImageAlign = System.Drawing.ContentAlignment.MiddleRight Me.btnBuscar.ImageIndex = 7 Me.btnBuscar.ImageList = Me.ImageList1 Me.btnBuscar.Location = New System.Drawing.Point(344, 16) Me.btnBuscar.Name = "btnBuscar" Me.btnBuscar.Size = New System.Drawing.Size(80, 24) Me.btnBuscar.TabIndex = 6 Me.btnBuscar.Text = "&Buscar" ' 'ImageList1 ' Me.ImageList1.ImageStream = CType(resources.GetObject("ImageList1.ImageStream"), System.Windows.Forms.ImageListStreamer)

Me.ImageList1.TransparentColor = System.Drawing.Color.Transparent Me.ImageList1.Images.SetKeyName(0, "") Me.ImageList1.Images.SetKeyName(1, "") Me.ImageList1.Images.SetKeyName(2, "") Me.ImageList1.Images.SetKeyName(3, "") Me.ImageList1.Images.SetKeyName(4, "") Me.ImageList1.Images.SetKeyName(5, "") Me.ImageList1.Images.SetKeyName(6, "") Me.ImageList1.Images.SetKeyName(7, "") Me.ImageList1.Images.SetKeyName(8, "") Me.ImageList1.Images.SetKeyName(9, "") Me.ImageList1.Images.SetKeyName(10, "") Me.ImageList1.Images.SetKeyName(11, "") Me.ImageList1.Images.SetKeyName(12, "") Me.ImageList1.Images.SetKeyName(13, "") Me.ImageList1.Images.SetKeyName(14, "") ' 'btnSalir ' Me.btnSalir.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnSalir.ForeColor = System.Drawing.Color.Red Me.btnSalir.ImageAlign = System.Drawing.ContentAlignment.MiddleRight Me.btnSalir.ImageIndex = 6 Me.btnSalir.ImageList = Me.ImageList1 Me.btnSalir.Location = New System.Drawing.Point(504, 16) Me.btnSalir.Name = "btnSalir" Me.btnSalir.Size = New System.Drawing.Size(80, 24) Me.btnSalir.TabIndex = 5 Me.btnSalir.Text = "&Salir" ' 'btnEliminar ' Me.btnEliminar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnEliminar.ForeColor = System.Drawing.Color.Red Me.btnEliminar.ImageAlign = System.Drawing.ContentAlignment.MiddleRight Me.btnEliminar.ImageList = Me.ImageList1 Me.btnEliminar.Location = New System.Drawing.Point(432, 16) Me.btnEliminar.Name = "btnEliminar" Me.btnEliminar.Size = New System.Drawing.Size(64, 24) Me.btnEliminar.TabIndex = 4 Me.btnEliminar.Text = "&Eliminar" ' 'btnCancelar ' Me.btnCancelar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnCancelar.ForeColor = System.Drawing.Color.Red Me.btnCancelar.ImageList = Me.ImageList1 Me.btnCancelar.Location = New System.Drawing.Point(272, 16) Me.btnCancelar.Name = "btnCancelar" Me.btnCancelar.Size = New System.Drawing.Size(64, 24)

Me.btnCancelar.TabIndex = 3 Me.btnCancelar.Text = "&Cancelar" ' 'btnGuardar ' Me.btnGuardar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnGuardar.ForeColor = System.Drawing.Color.Red Me.btnGuardar.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft Me.btnGuardar.ImageIndex = 10 Me.btnGuardar.ImageList = Me.ImageList1 Me.btnGuardar.Location = New System.Drawing.Point(176, 16) Me.btnGuardar.Name = "btnGuardar" Me.btnGuardar.Size = New System.Drawing.Size(88, 24) Me.btnGuardar.TabIndex = 2 Me.btnGuardar.Text = "&Guardar" ' 'btnEditar ' Me.btnEditar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnEditar.ForeColor = System.Drawing.Color.Red Me.btnEditar.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft Me.btnEditar.ImageList = Me.ImageList1 Me.btnEditar.Location = New System.Drawing.Point(104, 16) Me.btnEditar.Name = "btnEditar" Me.btnEditar.Size = New System.Drawing.Size(64, 24) Me.btnEditar.TabIndex = 1 Me.btnEditar.Text = "&Editar" ' 'btnNuevo ' Me.btnNuevo.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnNuevo.ForeColor = System.Drawing.Color.Red Me.btnNuevo.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft Me.btnNuevo.ImageIndex = 14 Me.btnNuevo.ImageList = Me.ImageList1 Me.btnNuevo.Location = New System.Drawing.Point(8, 16) Me.btnNuevo.Name = "btnNuevo" Me.btnNuevo.Size = New System.Drawing.Size(80, 24) Me.btnNuevo.TabIndex = 0 Me.btnNuevo.Text = "&Nuevo" ' 'GroupBox1 ' Me.GroupBox1.BackColor = System.Drawing.Color.Transparent Me.GroupBox1.Controls.Add(Me.btnUltimo) Me.GroupBox1.Controls.Add(Me.btnSiguiente) Me.GroupBox1.Controls.Add(Me.btnAnterior) Me.GroupBox1.Controls.Add(Me.btnPrimero) Me.GroupBox1.ForeColor = System.Drawing.SystemColors.ActiveCaption Me.GroupBox1.Location = New System.Drawing.Point(384, 80) Me.GroupBox1.Name = "GroupBox1"

Me.GroupBox1.Size = New System.Drawing.Size(240, 88) Me.GroupBox1.TabIndex = 103 Me.GroupBox1.TabStop = False ' 'btnUltimo ' Me.btnUltimo.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnUltimo.ForeColor = System.Drawing.Color.Navy Me.btnUltimo.Location = New System.Drawing.Point(128, 56) Me.btnUltimo.Name = "btnUltimo" Me.btnUltimo.Size = New System.Drawing.Size(96, 23) Me.btnUltimo.TabIndex = 3 Me.btnUltimo.Text = " &Ultimo >>" ' 'btnSiguiente ' Me.btnSiguiente.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnSiguiente.ForeColor = System.Drawing.Color.Navy Me.btnSiguiente.Location = New System.Drawing.Point(128, 16) Me.btnSiguiente.Name = "btnSiguiente" Me.btnSiguiente.Size = New System.Drawing.Size(96, 24) Me.btnSiguiente.TabIndex = 2 Me.btnSiguiente.Text = " &Siguiente >>" ' 'btnAnterior ' Me.btnAnterior.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnAnterior.ForeColor = System.Drawing.Color.Navy Me.btnAnterior.Location = New System.Drawing.Point(16, 56) Me.btnAnterior.Name = "btnAnterior" Me.btnAnterior.Size = New System.Drawing.Size(88, 24) Me.btnAnterior.TabIndex = 1 Me.btnAnterior.Text = "<< &Anterior" ' 'btnPrimero ' Me.btnPrimero.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnPrimero.ForeColor = System.Drawing.Color.Navy Me.btnPrimero.Location = New System.Drawing.Point(16, 16) Me.btnPrimero.Name = "btnPrimero" Me.btnPrimero.Size = New System.Drawing.Size(88, 23) Me.btnPrimero.TabIndex = 0 Me.btnPrimero.Text = "<< &Primero" ' 'frmActMateria ' Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.BackColor = System.Drawing.Color.Gray Me.ClientSize = New System.Drawing.Size(648, 310)

Me.Controls.Add(Me.GroupBox2) Me.Controls.Add(Me.GroupBox1) Me.Controls.Add(Me.Label3) Me.Controls.Add(Me.txtNom_Materia) Me.Controls.Add(Me.cboCodEspecialidad) Me.Controls.Add(Me.Label2) Me.Controls.Add(Me.cboId_Teoria) Me.Controls.Add(Me.Label7) Me.Controls.Add(Me.Label1) Me.Controls.Add(Me.txtCodigo) Me.Controls.Add(Me.lblRegistro) Me.Name = "frmActMateria" Me.Text = "frmActMateria" Me.GroupBox2.ResumeLayout(False) Me.GroupBox1.ResumeLayout(False) Me.ResumeLayout(False) Me.PerformLayout()

End Sub

#End Region

Private Sub ConfiguraControles(ByVal stStatus As Integer) txtCodigo.Enabled = (stStatus = 1) txtNom_Materia.Enabled = (stStatus = 1) Or (stStatus = 2) cboCodEspecialidad.Enabled = (stStatus = 1) Or (stStatus = 2) cboId_Teoria.Enabled = (stStatus = 1) Or (stStatus = 2)

Select Case stStatus Case 1 'Agregando nuevo registro Me.Text = spNuevo txtCodigo.Text = "" txtNom_Materia.Text = "" cboCodEspecialidad.Text = "" cboId_Teoria.Text = "" txtNom_Materia.Focus() Case 2 'Modificando registro Me.Text = spModificacion txtNom_Materia.Focus() Case Else ' Exploracion de datos Me.Text = spExploracion End Select End Sub

Private Sub frmActCurso_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load MODCONEXION.Conexion.Open() daCurso = New SqlDataAdapter("Select * From Materia", MODCONEXION.Conexion) daEspecialidad = New SqlDataAdapter("Select * From Especialidad", MODCONEXION.Conexion) daTeoria = New SqlDataAdapter("Select * From Teoria", MODCONEXION.Conexion)

objDataSet = New DataSet() daCurso.Fill(objDataSet, "Materia") daEspecialidad.Fill(objDataSet, "Especialidad")

daTeoria.Fill(objDataSet, "Teoria") MODCONEXION.Conexion.Close()

Me.txtCodigo.DataBindings.Add("Text", objDataSet, "Materia.Cod_Materia") Me.txtNom_Materia.DataBindings.Add("Text", objDataSet, "Materia.Nom_Materia")

Me.cboCodEspecialidad.DataBindings.Add(New System.Windows.Forms.Binding("SelectedValue", Me.objDataSet, "Materia.Cod_Especialidad")) Me.cboCodEspecialidad.DataSource = Me.objDataSet.Tables("Especialidad") Me.cboCodEspecialidad.DisplayMember = "Nom_Especialidad" Me.cboCodEspecialidad.ValueMember = "Cod_Especialidad" Me.cboCodEspecialidad.DropDownStyle = ComboBoxStyle.DropDownList

Me.cboId_Teoria.DataBindings.Add(New System.Windows.Forms.Binding("SelectedValue", Me.objDataSet, "Materia.ID_Teoria")) Me.cboId_Teoria.DataSource = Me.objDataSet.Tables("Teoria") Me.cboId_Teoria.DisplayMember = "Horas" Me.cboId_Teoria.ValueMember = "ID_Teoria" Me.cboId_Teoria.DropDownStyle = ComboBoxStyle.DropDownList

Call HabilitarControles(True) Call HabilitarBotones(True) Call BotonA(True) Call BotonB(True)

ConfiguraControles(0) End Sub

Private Sub btnPrimero_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnPrimero.Click Me.BindingContext(Me.objDataSet, "Materia").Position = 0 Call BotonA(False) Call BotonB(True) Call NumRegistro() End Sub

Private Sub btnSiguiente_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSiguiente.Click If Me.BindingContext(objDataSet, "Materia").Position < (Me.BindingContext(objDataSet, _ "Curso").Count - 1) Then Me.BindingContext(objDataSet, "Materia").Position = _ (Me.BindingContext(objDataSet, "Materia").Position + 1) Call BotonA(True) Else Call BotonB(False) End If Me.NumRegistro() End Sub

Private Sub btnAnterior_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAnterior.Click

If Me.BindingContext(objDataSet, "Materia").Position > 0 Then Me.BindingContext(objDataSet, "Materia").Position = _ (Me.BindingContext(objDataSet, "Materia").Position - 1) Call BotonB(True) Else Call BotonA(False) End If Me.NumRegistro() End Sub

Private Sub btnUltimo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnUltimo.Click Me.BindingContext(Me.objDataSet, "Materia").Position = _ (Me.objDataSet.Tables("Materia").Rows.Count - 1) Call BotonB(False) Call BotonA(True) Me.NumRegistro() End Sub

Private Sub btnBuscar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnBuscar.Click Dim strDato As String Dim fila As Integer Dim dv As New DataView() strDato = InputBox("Ingrese codigo de Materia", "Buscar") dv.Table = objDataSet.Tables("Curso") dv.Sort = "Cod_Materia" fila = dv.Find(strDato) If fila = -1 Then MessageBox.Show("Codigo de Materia no existe", "Cuidado") Exit Sub End If Me.BindingContext(objDataSet, "Materia").Position = fila Call NumRegistro() End Sub

Private Sub btnNuevo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnNuevo.Click flag = 1 Call HabilitarControles(True) Call HabilitarBotones(False) Call LimpiarControles()

ConfiguraControles(1) txtNom_Materia.Focus() End Sub

Private Sub btnEditar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEditar.Click flag = 2 Call HabilitarControles(True) Call HabilitarBotones(False) ConfiguraControles(2) End Sub

Private Sub btnGuardar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGuardar.Click

Dim sql, oper As String If flag = 1 Then ' Nuevo sql = "INSERT INTO Materia(Cod_Curso, Nom_Materia, Cod_Especialidad, ID_Teoria) VALUES (@Cod_Materia, @Nom_Materia, @Cod_Especialidad, @ID_Teoria)" oper = " insertados: " Else ' Editar sql = "UPDATE Materia SET Cod_Materia=@Cod_Materia, Nom_Materia=@Nom_Materia, Cod_Especialidad=@Cod_Especialidad, ID_Teoria=@ID_Teoria where Cod_Materia=@Cod_Materia" oper = " modificados: " End If 'Creando comando Dim objcomando As New SqlCommand(sql, MODCONEXION.Conexion) Try objcomando.Parameters.Add(New SqlParameter("@Cod_Materia", SqlDbType.Char)) objcomando.Parameters("@Cod_Materia").Value = txtCodigo.Text

objcomando.Parameters.Add(New SqlParameter("@Nom_Curso", SqlDbType.VarChar)) objcomando.Parameters("@Nom_Materia").Value = txtNom_Materia.Text

objcomando.Parameters.Add(New SqlParameter("@Cod_Especialidad", SqlDbType.Char)) objcomando.Parameters("@Cod_Especialidad").Value = cboCodEspecialidad.SelectedValue

objcomando.Parameters.Add(New SqlParameter("@Id_Teoria", SqlDbType.Char)) objcomando.Parameters("@Id_Teoria").Value = cboId_Teoria.SelectedValue

MODCONEXION.Conexion.Open() resultado = objcomando.ExecuteNonQuery 'Ejecuta una instrucción de Transact-SQL en Connection y devuelve el número de filas afectadas. Call Actualizar() 'Para actualizar posición Call NumRegistro() MessageBox.Show("Registros " & oper & resultado, "", 0, MessageBoxIcon.Information) Catch exc As Exception MessageBox.Show(exc.Message) End Try Call HabilitarControles(True) Call HabilitarBotones(True) Call BotonA(True) Call BotonB(True) MODCONEXION.Conexion.Close() End Sub

Private Sub btnCancelar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCancelar.Click MODCONEXION.Conexion.Open() objDataSet.RejectChanges() MODCONEXION.Conexion.Close()

btnAnterior.PerformClick() Call HabilitarControles(False) Call HabilitarBotones(True) End Sub

Private Sub btnSalir_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSalir.Click MODCONEXION.Conexion.Close() Me.Close() End Sub

Private Sub HabilitarControles(ByVal est As Boolean)

Dim ctrl As Control For Each ctrl In Me.Controls If TypeOf ctrl Is TextBox Then ctrl.Enabled = est Next cboCodEspecialidad.Enabled = est cboId_Teoria.Enabled = est End Sub

Private Sub HabilitarBotones(ByVal est As Boolean) Dim ctrl As Control For Each ctrl In Me.Controls If TypeOf ctrl Is Button Then ctrl.Enabled = est Next btnGuardar.Enabled = Not est btnCancelar.Enabled = Not est End Sub

Private Sub LimpiarControles() Dim ctrl As Control For Each ctrl In Me.Controls If TypeOf ctrl Is TextBox Then ctrl.Text = "" Next End Sub

Private Sub NumRegistro() Dim num, total As Integer num = Me.BindingContext(objDataSet, "Materia").Position + 1 total = Me.objDataSet.Tables("Materia").Rows.Count Me.lblRegistro.Text = "Reg: " & Str(num) & " de " & Str(total) End Sub

Private Sub Actualizar() objDataSet.Clear() daCurso.Fill(objDataSet, "Ciclo") daEspecialidad.Fill(objDataSet, "Materia") daTeoria.Fill(objDataSet, "Periodo_Academico") End Sub

Private Sub BotonB(ByVal VarX As Boolean) btnSiguiente.Enabled = VarX btnUltimo.Enabled = VarX End Sub

Private Sub BotonA(ByVal VarX As Boolean) btnPrimero.Enabled = VarX btnAnterior.Enabled = VarX End Sub

Private Sub btnEliminar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEliminar.Click Dim sql3 As String sql3 = "delete from Ciclo where Cod_Materia=@Cod_Curso" Dim objComando As New SqlCommand(sql3, MODCONEXION.Conexion) Try objComando.Parameters.Add(New SqlParameter("@Cod_Materia", SqlDbType.VarChar)) objComando.Parameters("@Cod_Curso").Value = InputBox("Ingrese el código del Materia a eliminar: ") MODCONEXION.Conexion.Open() resultado = objComando.ExecuteNonQuery Call Actualizar() btnAnterior.PerformClick() ' Para que muestre el registro anterior luego de eliminar MessageBox.Show("Registros Eliminados: " & resultado, "", 0, MessageBoxIcon.Information) Catch exc As Exception MessageBox.Show(exc.Message) End Try MODCONEXION.Conexion.Close() Call HabilitarControles(False) Call HabilitarBotones(True) Call BotonA(True) Call BotonB(True) End Sub Private Sub frmActCurso_Closed(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Closed MODCONEXION.FRMACU = False End Sub

Private Sub GeneraCodigo() Dim cmd As New SqlCommand("select max(Cod_Materia)from Materia", MODCONEXION.Conexion) MODCONEXION.Conexion.Open() strCodigo = cmd.ExecuteScalar MODCONEXION.Conexion.Close() txtCodigo.Text = Format(Val(strCodigo) + 1, "00000") End Sub

Private Sub Label2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label2.Click

End Sub

Private Sub lblRegistro_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles lblRegistro.Click

End SubEnd Class

Semestres.

Imports System.Data.SqlClientPublic Class frmActSemestre Inherits System.Windows.Forms.Form Dim daSemestre As SqlDataAdapter Dim objDataSet As DataSet Dim flag As Integer Dim resultado As Integer Dim strCodigo As String#Region " Código generado por el Diseñador de Windows Forms "

Public Sub New() MyBase.New()

'El Diseñador de Windows Forms requiere esta llamada. InitializeComponent()

'Agregar cualquier inicialización después de la llamada a InitializeComponent()

End Sub

'Form reemplaza a Dispose para limpiar la lista de componentes. Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing Then If Not (components Is Nothing) Then components.Dispose() End If End If MyBase.Dispose(disposing)

End Sub

'Requerido por el Diseñador de Windows Forms Private components As System.ComponentModel.IContainer

'NOTA: el Diseñador de Windows Forms requiere el siguiente procedimiento 'Puede modificarse utilizando el Diseñador de Windows Forms. 'No lo modifique con el editor de código. Friend WithEvents txtFechaInicio As System.Windows.Forms.TextBox Friend WithEvents Label7 As System.Windows.Forms.Label Friend WithEvents Label5 As System.Windows.Forms.Label Friend WithEvents Label1 As System.Windows.Forms.Label Friend WithEvents txtFechaTermino As System.Windows.Forms.TextBox Friend WithEvents txtSemestre As System.Windows.Forms.TextBox Friend WithEvents GroupBox2 As System.Windows.Forms.GroupBox Friend WithEvents btnBuscar As System.Windows.Forms.Button Friend WithEvents btnSalir As System.Windows.Forms.Button Friend WithEvents btnEliminar As System.Windows.Forms.Button Friend WithEvents btnCancelar As System.Windows.Forms.Button Friend WithEvents btnGuardar As System.Windows.Forms.Button Friend WithEvents btnEditar As System.Windows.Forms.Button Friend WithEvents btnNuevo As System.Windows.Forms.Button Friend WithEvents ImageList1 As System.Windows.Forms.ImageList Friend WithEvents lblRegistro As System.Windows.Forms.Label Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox Friend WithEvents btnUltimo As System.Windows.Forms.Button Friend WithEvents btnSiguiente As System.Windows.Forms.Button Friend WithEvents btnAnterior As System.Windows.Forms.Button Friend WithEvents btnPrimero As System.Windows.Forms.Button <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.components = New System.ComponentModel.Container Dim resources As System.ComponentModel.ComponentResourceManager = New System.ComponentModel.ComponentResourceManager(GetType(frmActSemestre)) Me.txtFechaInicio = New System.Windows.Forms.TextBox Me.Label7 = New System.Windows.Forms.Label Me.Label5 = New System.Windows.Forms.Label Me.Label1 = New System.Windows.Forms.Label Me.txtFechaTermino = New System.Windows.Forms.TextBox Me.txtSemestre = New System.Windows.Forms.TextBox Me.GroupBox2 = New System.Windows.Forms.GroupBox Me.btnBuscar = New System.Windows.Forms.Button Me.ImageList1 = New System.Windows.Forms.ImageList(Me.components) Me.btnSalir = New System.Windows.Forms.Button Me.btnEliminar = New System.Windows.Forms.Button Me.btnCancelar = New System.Windows.Forms.Button Me.btnGuardar = New System.Windows.Forms.Button Me.btnEditar = New System.Windows.Forms.Button Me.btnNuevo = New System.Windows.Forms.Button Me.lblRegistro = New System.Windows.Forms.Label Me.GroupBox1 = New System.Windows.Forms.GroupBox Me.btnUltimo = New System.Windows.Forms.Button Me.btnSiguiente = New System.Windows.Forms.Button Me.btnAnterior = New System.Windows.Forms.Button Me.btnPrimero = New System.Windows.Forms.Button Me.GroupBox2.SuspendLayout() Me.GroupBox1.SuspendLayout()

Me.SuspendLayout() ' 'txtFechaInicio ' Me.txtFechaInicio.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.txtFechaInicio.ForeColor = System.Drawing.Color.Navy Me.txtFechaInicio.Location = New System.Drawing.Point(176, 88) Me.txtFechaInicio.Name = "txtFechaInicio" Me.txtFechaInicio.Size = New System.Drawing.Size(152, 20) Me.txtFechaInicio.TabIndex = 73 ' 'Label7 ' Me.Label7.BackColor = System.Drawing.Color.Transparent Me.Label7.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, CType((System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.FontStyle), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label7.ForeColor = System.Drawing.Color.Blue Me.Label7.Location = New System.Drawing.Point(8, 88) Me.Label7.Name = "Label7" Me.Label7.Size = New System.Drawing.Size(168, 24) Me.Label7.TabIndex = 72 Me.Label7.Text = "Fecha de Inicio:" ' 'Label5 ' Me.Label5.BackColor = System.Drawing.Color.Transparent Me.Label5.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, CType((System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.FontStyle), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label5.ForeColor = System.Drawing.Color.Blue Me.Label5.Location = New System.Drawing.Point(8, 120) Me.Label5.Name = "Label5" Me.Label5.Size = New System.Drawing.Size(144, 24) Me.Label5.TabIndex = 71 Me.Label5.Text = "Fecha de Termino:" ' 'Label1 ' Me.Label1.BackColor = System.Drawing.Color.Transparent Me.Label1.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, CType((System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.FontStyle), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label1.ForeColor = System.Drawing.Color.Blue Me.Label1.Location = New System.Drawing.Point(8, 48) Me.Label1.Name = "Label1" Me.Label1.Size = New System.Drawing.Size(64, 23) Me.Label1.TabIndex = 68 Me.Label1.Text = "Semestre:" ' 'txtFechaTermino ' Me.txtFechaTermino.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))

Me.txtFechaTermino.ForeColor = System.Drawing.Color.Navy Me.txtFechaTermino.Location = New System.Drawing.Point(176, 120) Me.txtFechaTermino.Name = "txtFechaTermino" Me.txtFechaTermino.Size = New System.Drawing.Size(152, 20) Me.txtFechaTermino.TabIndex = 67 ' 'txtSemestre ' Me.txtSemestre.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.txtSemestre.ForeColor = System.Drawing.Color.Navy Me.txtSemestre.Location = New System.Drawing.Point(96, 48) Me.txtSemestre.Name = "txtSemestre" Me.txtSemestre.Size = New System.Drawing.Size(72, 20) Me.txtSemestre.TabIndex = 64 ' 'GroupBox2 ' Me.GroupBox2.BackColor = System.Drawing.Color.Transparent Me.GroupBox2.Controls.Add(Me.btnBuscar) Me.GroupBox2.Controls.Add(Me.btnSalir) Me.GroupBox2.Controls.Add(Me.btnEliminar) Me.GroupBox2.Controls.Add(Me.btnCancelar) Me.GroupBox2.Controls.Add(Me.btnGuardar) Me.GroupBox2.Controls.Add(Me.btnEditar) Me.GroupBox2.Controls.Add(Me.btnNuevo) Me.GroupBox2.Location = New System.Drawing.Point(8, 160) Me.GroupBox2.Name = "GroupBox2" Me.GroupBox2.Size = New System.Drawing.Size(584, 56) Me.GroupBox2.TabIndex = 99 Me.GroupBox2.TabStop = False ' 'btnBuscar ' Me.btnBuscar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnBuscar.ForeColor = System.Drawing.Color.Red Me.btnBuscar.ImageAlign = System.Drawing.ContentAlignment.MiddleRight Me.btnBuscar.ImageIndex = 7 Me.btnBuscar.ImageList = Me.ImageList1 Me.btnBuscar.Location = New System.Drawing.Point(336, 16) Me.btnBuscar.Name = "btnBuscar" Me.btnBuscar.Size = New System.Drawing.Size(80, 24) Me.btnBuscar.TabIndex = 6 Me.btnBuscar.Text = "&Buscar" ' 'ImageList1 ' Me.ImageList1.ImageStream = CType(resources.GetObject("ImageList1.ImageStream"), System.Windows.Forms.ImageListStreamer) Me.ImageList1.TransparentColor = System.Drawing.Color.Transparent Me.ImageList1.Images.SetKeyName(0, "") Me.ImageList1.Images.SetKeyName(1, "") Me.ImageList1.Images.SetKeyName(2, "")

Me.ImageList1.Images.SetKeyName(3, "") Me.ImageList1.Images.SetKeyName(4, "") Me.ImageList1.Images.SetKeyName(5, "") Me.ImageList1.Images.SetKeyName(6, "") Me.ImageList1.Images.SetKeyName(7, "") Me.ImageList1.Images.SetKeyName(8, "") Me.ImageList1.Images.SetKeyName(9, "") Me.ImageList1.Images.SetKeyName(10, "") Me.ImageList1.Images.SetKeyName(11, "") Me.ImageList1.Images.SetKeyName(12, "") Me.ImageList1.Images.SetKeyName(13, "") Me.ImageList1.Images.SetKeyName(14, "") ' 'btnSalir ' Me.btnSalir.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnSalir.ForeColor = System.Drawing.Color.Red Me.btnSalir.ImageAlign = System.Drawing.ContentAlignment.MiddleRight Me.btnSalir.ImageIndex = 6 Me.btnSalir.ImageList = Me.ImageList1 Me.btnSalir.Location = New System.Drawing.Point(496, 16) Me.btnSalir.Name = "btnSalir" Me.btnSalir.Size = New System.Drawing.Size(80, 24) Me.btnSalir.TabIndex = 5 Me.btnSalir.Text = "&Salir" ' 'btnEliminar ' Me.btnEliminar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnEliminar.ForeColor = System.Drawing.Color.Red Me.btnEliminar.ImageAlign = System.Drawing.ContentAlignment.MiddleRight Me.btnEliminar.ImageList = Me.ImageList1 Me.btnEliminar.Location = New System.Drawing.Point(424, 16) Me.btnEliminar.Name = "btnEliminar" Me.btnEliminar.Size = New System.Drawing.Size(64, 24) Me.btnEliminar.TabIndex = 4 Me.btnEliminar.Text = "&Eliminar" ' 'btnCancelar ' Me.btnCancelar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnCancelar.ForeColor = System.Drawing.Color.Red Me.btnCancelar.ImageList = Me.ImageList1 Me.btnCancelar.Location = New System.Drawing.Point(264, 16) Me.btnCancelar.Name = "btnCancelar" Me.btnCancelar.Size = New System.Drawing.Size(64, 24) Me.btnCancelar.TabIndex = 3 Me.btnCancelar.Text = "&Cancelar" ' 'btnGuardar

' Me.btnGuardar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnGuardar.ForeColor = System.Drawing.Color.Red Me.btnGuardar.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft Me.btnGuardar.ImageIndex = 10 Me.btnGuardar.ImageList = Me.ImageList1 Me.btnGuardar.Location = New System.Drawing.Point(168, 16) Me.btnGuardar.Name = "btnGuardar" Me.btnGuardar.Size = New System.Drawing.Size(88, 24) Me.btnGuardar.TabIndex = 2 Me.btnGuardar.Text = "&Guardar" ' 'btnEditar ' Me.btnEditar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnEditar.ForeColor = System.Drawing.Color.Red Me.btnEditar.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft Me.btnEditar.ImageList = Me.ImageList1 Me.btnEditar.Location = New System.Drawing.Point(96, 16) Me.btnEditar.Name = "btnEditar" Me.btnEditar.Size = New System.Drawing.Size(64, 24) Me.btnEditar.TabIndex = 1 Me.btnEditar.Text = "&Editar" ' 'btnNuevo ' Me.btnNuevo.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnNuevo.ForeColor = System.Drawing.Color.Red Me.btnNuevo.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft Me.btnNuevo.ImageIndex = 14 Me.btnNuevo.ImageList = Me.ImageList1 Me.btnNuevo.Location = New System.Drawing.Point(8, 16) Me.btnNuevo.Name = "btnNuevo" Me.btnNuevo.Size = New System.Drawing.Size(80, 24) Me.btnNuevo.TabIndex = 0 Me.btnNuevo.Text = "&Nuevo" ' 'lblRegistro ' Me.lblRegistro.Font = New System.Drawing.Font("Times New Roman", 14.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.lblRegistro.ForeColor = System.Drawing.Color.Blue Me.lblRegistro.Location = New System.Drawing.Point(376, 16) Me.lblRegistro.Name = "lblRegistro" Me.lblRegistro.Size = New System.Drawing.Size(192, 24) Me.lblRegistro.TabIndex = 101 Me.lblRegistro.Text = "Registro:" ' 'GroupBox1 '

Me.GroupBox1.BackColor = System.Drawing.Color.Transparent Me.GroupBox1.Controls.Add(Me.btnUltimo) Me.GroupBox1.Controls.Add(Me.btnSiguiente) Me.GroupBox1.Controls.Add(Me.btnAnterior) Me.GroupBox1.Controls.Add(Me.btnPrimero) Me.GroupBox1.ForeColor = System.Drawing.SystemColors.ActiveCaption Me.GroupBox1.Location = New System.Drawing.Point(376, 56) Me.GroupBox1.Name = "GroupBox1" Me.GroupBox1.Size = New System.Drawing.Size(212, 88) Me.GroupBox1.TabIndex = 100 Me.GroupBox1.TabStop = False ' 'btnUltimo ' Me.btnUltimo.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnUltimo.ForeColor = System.Drawing.Color.Navy Me.btnUltimo.Location = New System.Drawing.Point(104, 56) Me.btnUltimo.Name = "btnUltimo" Me.btnUltimo.Size = New System.Drawing.Size(96, 23) Me.btnUltimo.TabIndex = 3 Me.btnUltimo.Text = " &Ultimo >>" ' 'btnSiguiente ' Me.btnSiguiente.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnSiguiente.ForeColor = System.Drawing.Color.Navy Me.btnSiguiente.Location = New System.Drawing.Point(104, 16) Me.btnSiguiente.Name = "btnSiguiente" Me.btnSiguiente.Size = New System.Drawing.Size(96, 24) Me.btnSiguiente.TabIndex = 2 Me.btnSiguiente.Text = " &Siguiente >>" ' 'btnAnterior ' Me.btnAnterior.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnAnterior.ForeColor = System.Drawing.Color.Navy Me.btnAnterior.Location = New System.Drawing.Point(8, 56) Me.btnAnterior.Name = "btnAnterior" Me.btnAnterior.Size = New System.Drawing.Size(88, 24) Me.btnAnterior.TabIndex = 1 Me.btnAnterior.Text = "<< &Anterior" ' 'btnPrimero ' Me.btnPrimero.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnPrimero.ForeColor = System.Drawing.Color.Navy Me.btnPrimero.Location = New System.Drawing.Point(8, 16) Me.btnPrimero.Name = "btnPrimero" Me.btnPrimero.Size = New System.Drawing.Size(88, 23)

Me.btnPrimero.TabIndex = 0 Me.btnPrimero.Text = "<< &Primero" ' 'frmActSemestre ' Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.BackColor = System.Drawing.Color.Gray Me.ClientSize = New System.Drawing.Size(608, 246) Me.Controls.Add(Me.lblRegistro) Me.Controls.Add(Me.GroupBox1) Me.Controls.Add(Me.txtFechaInicio) Me.Controls.Add(Me.Label7) Me.Controls.Add(Me.Label5) Me.Controls.Add(Me.Label1) Me.Controls.Add(Me.txtFechaTermino) Me.Controls.Add(Me.txtSemestre) Me.Controls.Add(Me.GroupBox2) Me.Name = "frmActSemestre" Me.Text = "frmSemestre" Me.GroupBox2.ResumeLayout(False) Me.GroupBox1.ResumeLayout(False) Me.ResumeLayout(False) Me.PerformLayout()

End Sub

#End Region

Private Sub frmPeriodoAcademico_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load MODCONEXION.Conexion.Open() daSemestre = New SqlDataAdapter("select * from Semestre", MODCONEXION.Conexion) objDataSet = New DataSet() daSemestre.Fill(objDataSet, "Semestre") MODCONEXION.Conexion.Close()

Me.txtSemestre.DataBindings.Add("Text", objDataSet, "Semestre.Semestre") Me.txtFechaInicio.DataBindings.Add("Text", objDataSet, "Semestre.Fecha_Inicio") Me.txtFechaTermino.DataBindings.Add("Text", objDataSet, "Semestre.Fecha_Termino")

Call HabilitarControles(True) Call HabilitarBotones(True) Call BotonA(True) Call BotonB(True)

End Sub

Private Sub btnPrimero_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnPrimero.Click Me.BindingContext(Me.objDataSet, "Semestre").Position = 0 Call BotonA(False) Call BotonB(True) Call NumRegistro()

End Sub

Private Sub btnSiguiente_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSiguiente.Click If Me.BindingContext(objDataSet, "Semestre").Position < (Me.BindingContext(objDataSet, _ "Semestre").Count - 1) Then Me.BindingContext(objDataSet, "Semestre").Position = _ (Me.BindingContext(objDataSet, "Semestre").Position + 1) Call BotonA(True) Else Call BotonB(False) End If Me.NumRegistro() End Sub

Private Sub btnAnterior_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAnterior.Click If Me.BindingContext(objDataSet, "Semestre").Position > 0 Then Me.BindingContext(objDataSet, "Semestre").Position = _ (Me.BindingContext(objDataSet, "Semestre").Position - 1) Call BotonB(True) Else Call BotonA(False) End If Me.NumRegistro() End Sub

Private Sub btnUltimo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnUltimo.Click Me.BindingContext(Me.objDataSet, "Semestre").Position = _ (Me.objDataSet.Tables("Semestre").Rows.Count - 1) Call BotonB(False) Call BotonA(True) Me.NumRegistro() End Sub

Private Sub btnBuscar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnBuscar.Click Dim strDato As String Dim fila As Integer Dim dv As New DataView() strDato = InputBox("Ingrese codigo de Semestre", "Buscar") dv.Table = objDataSet.Tables("Semestre") dv.Sort = "Semestre" fila = dv.Find(strDato) If fila = -1 Then MessageBox.Show("Codigo de Semestre no existe", "Cuidado") Exit Sub End If Me.BindingContext(objDataSet, "Semestre").Position = fila Call NumRegistro() End Sub

Private Sub btnNuevo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnNuevo.Click flag = 1

Call HabilitarControles(True) Call HabilitarBotones(False) Call LimpiarControles() Call GeneraCodigo() txtSemestre.Focus() End Sub

Private Sub btnEditar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEditar.Click flag = 2 Call HabilitarControles(True) Call HabilitarBotones(False) txtSemestre.Enabled = False End Sub

Private Sub btnCancelar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCancelar.Click MODCONEXION.Conexion.Open() objDataSet.RejectChanges() MODCONEXION.Conexion.Close() btnAnterior.PerformClick() Call HabilitarControles(False) Call HabilitarBotones(True) End Sub

Private Sub btnSalir_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSalir.Click MODCONEXION.Conexion.Close() Me.Close() End Sub

Private Sub HabilitarControles(ByVal est As Boolean)

Dim ctrl As Control For Each ctrl In Me.Controls If TypeOf ctrl Is TextBox Then ctrl.Enabled = est Next

End Sub

Private Sub HabilitarBotones(ByVal est As Boolean) Dim ctrl As Control For Each ctrl In Me.Controls If TypeOf ctrl Is Button Then ctrl.Enabled = est Next btnGuardar.Enabled = Not est btnCancelar.Enabled = Not est End Sub

Private Sub LimpiarControles() Dim ctrl As Control For Each ctrl In Me.Controls If TypeOf ctrl Is TextBox Then ctrl.Text = "" Next End Sub

Private Sub Actualizar()

objDataSet.Clear() daSemestre.Fill(objDataSet, "Semestre") End Sub

Private Sub GeneraCodigo() Dim cmd As New SqlCommand("select max(Semestre)from Semestre", MODCONEXION.Conexion) MODCONEXION.Conexion.Open() strCodigo = cmd.ExecuteScalar MODCONEXION.Conexion.Close() txtSemestre.Text = Format(Val(strCodigo) + 1, "00000") End Sub

Private Sub BotonB(ByVal VarX As Boolean) btnSiguiente.Enabled = VarX btnUltimo.Enabled = VarX End Sub

Private Sub BotonA(ByVal VarX As Boolean) btnPrimero.Enabled = VarX btnAnterior.Enabled = VarX End Sub

Private Sub btnEliminar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEliminar.Click Dim sql3 As String sql3 = "delete from Semestre where Semestre=@Semestre" Dim objComando As New SqlCommand(sql3, MODCONEXION.Conexion) Try objComando.Parameters.Add(New SqlParameter("@Semestre", SqlDbType.VarChar)) objComando.Parameters("@Semestre").Value = InputBox("Ingrese el código del Semestre a eliminar: ") MODCONEXION.Conexion.Open() resultado = objComando.ExecuteNonQuery Call Actualizar() btnAnterior.PerformClick() ' Para que muestre el registro anterior luego de eliminar MessageBox.Show("Registros Eliminados: " & resultado, "", 0, MessageBoxIcon.Information) Catch exc As Exception MessageBox.Show(exc.Message) End Try MODCONEXION.Conexion.Close() Call HabilitarControles(False) Call HabilitarBotones(True) Call BotonA(True) Call BotonB(True) End Sub

Private Sub btnGuardar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGuardar.Click Dim sql, oper As String If flag = 1 Then ' Nuevo sql = "INSERT INTO Semestre (Semestre,Fecha_Inicio, Fecha_Termino) VALUES (@Semestre,@Fecha_Inicio, @Fecha_Termino)"

oper = " insertados: " Else ' Editar sql = "UPDATE Semestre SET Semestre=@Semestre , Fecha_Inicio=@Fecha_Inicio, Fecha_Termino=@Fecha_Termino where Semestre=@Semestre" oper = " modificados: " End If 'Creando comando Dim objcomando As New SqlCommand(sql, MODCONEXION.Conexion) Try objcomando.Parameters.Add(New SqlParameter("@Semestre", SqlDbType.Char)) objcomando.Parameters("@Semestre").Value = txtSemestre.Text

objcomando.Parameters.Add(New SqlParameter("@Fecha_Inicio", SqlDbType.DateTime)) objcomando.Parameters("@Fecha_Inicio").Value = txtFechaInicio.Text

objcomando.Parameters.Add(New SqlParameter("@Fecha_Termino", SqlDbType.DateTime)) objcomando.Parameters("@Fecha_Termino").Value = txtFechaTermino.Text MODCONEXION.Conexion.Open() resultado = objcomando.ExecuteNonQuery 'Ejecuta una instrucción de Transact-SQL en Connection y devuelve el número de filas afectadas. Call Actualizar() 'Para actualizar posición Call NumRegistro() MessageBox.Show("Registros " & oper & resultado, "", 0, MessageBoxIcon.Information) Catch exc As Exception MessageBox.Show(exc.Message) End Try Call HabilitarControles(False) Call HabilitarBotones(True) MODCONEXION.Conexion.Close() End Sub

Private Sub NumRegistro() Dim num, total As Integer num = Me.BindingContext(objDataSet, "Semestre").Position + 1 total = Me.objDataSet.Tables("Semestre").Rows.Count Me.lblRegistro.Text = "Reg: " & Str(num) & " de " & Str(total) End Sub

Private Sub frmPeriodoAcademico_Closed(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Closed MODCONEXION.FRMAPA = False End SubEnd Class

Centros de Apoyo

Imports System.Data.SqlClientPublic Class frmActCentro Inherits System.Windows.Forms.Form Dim daCentro As SqlDataAdapter Dim objDataSet As DataSet Dim flag As Integer Dim resultado As Integer Dim strCodigo As String

Const spExploracion = "Centro: Exploración de registros" Const spNuevo = "Centro: Nuevo Registro" Const spModificacion = "Centro: Modificación del Registro" Dim SQLAdapter_Master As SqlDataAdapter Dim DataSet_Master As DataSet

#Region " Código generado por el Diseñador de Windows Forms "

Public Sub New() MyBase.New()

'El Diseñador de Windows Forms requiere esta llamada. InitializeComponent()

'Agregar cualquier inicialización después de la llamada a InitializeComponent()

End Sub

'Form reemplaza a Dispose para limpiar la lista de componentes. Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing Then

If Not (components Is Nothing) Then components.Dispose() End If End If MyBase.Dispose(disposing) End Sub

'Requerido por el Diseñador de Windows Forms Private components As System.ComponentModel.IContainer

'NOTA: el Diseñador de Windows Forms requiere el siguiente procedimiento 'Puede modificarse utilizando el Diseñador de Windows Forms. 'No lo modifique con el editor de código. Friend WithEvents Label3 As System.Windows.Forms.Label Friend WithEvents Label2 As System.Windows.Forms.Label Friend WithEvents txtDescripcion As System.Windows.Forms.TextBox Friend WithEvents txtCodigo As System.Windows.Forms.TextBox Friend WithEvents lblRegistro As System.Windows.Forms.Label Friend WithEvents GroupBox2 As System.Windows.Forms.GroupBox Friend WithEvents btnBuscar As System.Windows.Forms.Button Friend WithEvents btnSalir As System.Windows.Forms.Button Friend WithEvents btnEliminar As System.Windows.Forms.Button Friend WithEvents btnCancelar As System.Windows.Forms.Button Friend WithEvents btnGuardar As System.Windows.Forms.Button Friend WithEvents btnEditar As System.Windows.Forms.Button Friend WithEvents btnNuevo As System.Windows.Forms.Button Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox Friend WithEvents btnUltimo As System.Windows.Forms.Button Friend WithEvents btnSiguiente As System.Windows.Forms.Button Friend WithEvents btnAnterior As System.Windows.Forms.Button Friend WithEvents btnPrimero As System.Windows.Forms.Button Friend WithEvents ImageList1 As System.Windows.Forms.ImageList <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.components = New System.ComponentModel.Container() Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(frmActCargo)) Me.Label3 = New System.Windows.Forms.Label() Me.Label2 = New System.Windows.Forms.Label() Me.txtDescripcion = New System.Windows.Forms.TextBox() Me.txtCodigo = New System.Windows.Forms.TextBox() Me.lblRegistro = New System.Windows.Forms.Label() Me.GroupBox2 = New System.Windows.Forms.GroupBox() Me.btnBuscar = New System.Windows.Forms.Button() Me.ImageList1 = New System.Windows.Forms.ImageList(Me.components) Me.btnSalir = New System.Windows.Forms.Button() Me.btnEliminar = New System.Windows.Forms.Button() Me.btnCancelar = New System.Windows.Forms.Button() Me.btnGuardar = New System.Windows.Forms.Button() Me.btnEditar = New System.Windows.Forms.Button() Me.btnNuevo = New System.Windows.Forms.Button() Me.GroupBox1 = New System.Windows.Forms.GroupBox() Me.btnUltimo = New System.Windows.Forms.Button() Me.btnSiguiente = New System.Windows.Forms.Button() Me.btnAnterior = New System.Windows.Forms.Button() Me.btnPrimero = New System.Windows.Forms.Button() Me.GroupBox2.SuspendLayout()

Me.GroupBox1.SuspendLayout() Me.SuspendLayout() ' 'Label3 ' Me.Label3.BackColor = System.Drawing.Color.Transparent Me.Label3.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, (System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label3.ForeColor = System.Drawing.Color.Yellow Me.Label3.Location = New System.Drawing.Point(8, 128) Me.Label3.Name = "Label3" Me.Label3.TabIndex = 53 Me.Label3.Text = "Descripcion:" ' 'Label2 ' Me.Label2.BackColor = System.Drawing.Color.Transparent Me.Label2.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, (System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label2.ForeColor = System.Drawing.Color.Yellow Me.Label2.Location = New System.Drawing.Point(8, 80) Me.Label2.Name = "Label2" Me.Label2.Size = New System.Drawing.Size(136, 23) Me.Label2.TabIndex = 52 Me.Label2.Text = "Código de Cargo:" ' 'txtDescripcion ' Me.txtDescripcion.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.txtDescripcion.ForeColor = System.Drawing.SystemColors.HotTrack Me.txtDescripcion.Location = New System.Drawing.Point(144, 128) Me.txtDescripcion.Name = "txtDescripcion" Me.txtDescripcion.Size = New System.Drawing.Size(176, 20) Me.txtDescripcion.TabIndex = 51 Me.txtDescripcion.Text = "" ' 'txtCodigo ' Me.txtCodigo.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.txtCodigo.ForeColor = System.Drawing.SystemColors.HotTrack Me.txtCodigo.Location = New System.Drawing.Point(144, 80) Me.txtCodigo.Name = "txtCodigo" Me.txtCodigo.Size = New System.Drawing.Size(152, 20) Me.txtCodigo.TabIndex = 50 Me.txtCodigo.Text = "" ' 'lblRegistro ' Me.lblRegistro.Font = New System.Drawing.Font("Times New Roman", 14.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))

Me.lblRegistro.ForeColor = System.Drawing.Color.Yellow Me.lblRegistro.Location = New System.Drawing.Point(360, 16) Me.lblRegistro.Name = "lblRegistro" Me.lblRegistro.Size = New System.Drawing.Size(192, 24) Me.lblRegistro.TabIndex = 98 Me.lblRegistro.Text = "Registro:" ' 'GroupBox2 ' Me.GroupBox2.BackColor = System.Drawing.Color.Yellow Me.GroupBox2.Controls.AddRange(New System.Windows.Forms.Control() {Me.btnBuscar, Me.btnSalir, Me.btnEliminar, Me.btnCancelar, Me.btnGuardar, Me.btnEditar, Me.btnNuevo}) Me.GroupBox2.Location = New System.Drawing.Point(24, 176) Me.GroupBox2.Name = "GroupBox2" Me.GroupBox2.Size = New System.Drawing.Size(600, 56) Me.GroupBox2.TabIndex = 96 Me.GroupBox2.TabStop = False ' 'btnBuscar ' Me.btnBuscar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnBuscar.ForeColor = System.Drawing.Color.Red Me.btnBuscar.Image = CType(resources.GetObject("btnBuscar.Image"), System.Drawing.Bitmap) Me.btnBuscar.ImageAlign = System.Drawing.ContentAlignment.MiddleRight Me.btnBuscar.ImageIndex = 7 Me.btnBuscar.ImageList = Me.ImageList1 Me.btnBuscar.Location = New System.Drawing.Point(344, 16) Me.btnBuscar.Name = "btnBuscar" Me.btnBuscar.Size = New System.Drawing.Size(80, 24) Me.btnBuscar.TabIndex = 6 Me.btnBuscar.Text = "&Buscar" ' 'ImageList1 ' Me.ImageList1.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit Me.ImageList1.ImageSize = New System.Drawing.Size(16, 16) Me.ImageList1.ImageStream = CType(resources.GetObject("ImageList1.ImageStream"), System.Windows.Forms.ImageListStreamer) Me.ImageList1.TransparentColor = System.Drawing.Color.Transparent ' 'btnSalir ' Me.btnSalir.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnSalir.ForeColor = System.Drawing.Color.Red Me.btnSalir.Image = CType(resources.GetObject("btnSalir.Image"), System.Drawing.Bitmap) Me.btnSalir.ImageAlign = System.Drawing.ContentAlignment.MiddleRight Me.btnSalir.ImageIndex = 6 Me.btnSalir.ImageList = Me.ImageList1 Me.btnSalir.Location = New System.Drawing.Point(504, 16)

Me.btnSalir.Name = "btnSalir" Me.btnSalir.Size = New System.Drawing.Size(80, 24) Me.btnSalir.TabIndex = 5 Me.btnSalir.Text = "&Salir" ' 'btnEliminar ' Me.btnEliminar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnEliminar.ForeColor = System.Drawing.Color.Red Me.btnEliminar.ImageAlign = System.Drawing.ContentAlignment.MiddleRight Me.btnEliminar.ImageList = Me.ImageList1 Me.btnEliminar.Location = New System.Drawing.Point(432, 16) Me.btnEliminar.Name = "btnEliminar" Me.btnEliminar.Size = New System.Drawing.Size(64, 24) Me.btnEliminar.TabIndex = 4 Me.btnEliminar.Text = "&Eliminar" ' 'btnCancelar ' Me.btnCancelar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnCancelar.ForeColor = System.Drawing.Color.Red Me.btnCancelar.ImageList = Me.ImageList1 Me.btnCancelar.Location = New System.Drawing.Point(272, 16) Me.btnCancelar.Name = "btnCancelar" Me.btnCancelar.Size = New System.Drawing.Size(64, 24) Me.btnCancelar.TabIndex = 3 Me.btnCancelar.Text = "&Cancelar" ' 'btnGuardar ' Me.btnGuardar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnGuardar.ForeColor = System.Drawing.Color.Red Me.btnGuardar.Image = CType(resources.GetObject("btnGuardar.Image"), System.Drawing.Bitmap) Me.btnGuardar.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft Me.btnGuardar.ImageIndex = 10 Me.btnGuardar.ImageList = Me.ImageList1 Me.btnGuardar.Location = New System.Drawing.Point(176, 16) Me.btnGuardar.Name = "btnGuardar" Me.btnGuardar.Size = New System.Drawing.Size(88, 24) Me.btnGuardar.TabIndex = 2 Me.btnGuardar.Text = "&Guardar" ' 'btnEditar ' Me.btnEditar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnEditar.ForeColor = System.Drawing.Color.Red Me.btnEditar.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft

Me.btnEditar.ImageList = Me.ImageList1 Me.btnEditar.Location = New System.Drawing.Point(104, 16) Me.btnEditar.Name = "btnEditar" Me.btnEditar.Size = New System.Drawing.Size(64, 24) Me.btnEditar.TabIndex = 1 Me.btnEditar.Text = "&Editar" ' 'btnNuevo ' Me.btnNuevo.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnNuevo.ForeColor = System.Drawing.Color.Red Me.btnNuevo.Image = CType(resources.GetObject("btnNuevo.Image"), System.Drawing.Bitmap) Me.btnNuevo.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft Me.btnNuevo.ImageIndex = 14 Me.btnNuevo.ImageList = Me.ImageList1 Me.btnNuevo.Location = New System.Drawing.Point(8, 16) Me.btnNuevo.Name = "btnNuevo" Me.btnNuevo.Size = New System.Drawing.Size(80, 24) Me.btnNuevo.TabIndex = 0 Me.btnNuevo.Text = "&Nuevo" ' 'GroupBox1 ' Me.GroupBox1.BackColor = System.Drawing.Color.Yellow Me.GroupBox1.Controls.AddRange(New System.Windows.Forms.Control() {Me.btnUltimo, Me.btnSiguiente, Me.btnAnterior, Me.btnPrimero}) Me.GroupBox1.ForeColor = System.Drawing.SystemColors.ActiveCaption Me.GroupBox1.Location = New System.Drawing.Point(352, 64) Me.GroupBox1.Name = "GroupBox1" Me.GroupBox1.Size = New System.Drawing.Size(240, 88) Me.GroupBox1.TabIndex = 97 Me.GroupBox1.TabStop = False ' 'btnUltimo ' Me.btnUltimo.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnUltimo.ForeColor = System.Drawing.Color.Navy Me.btnUltimo.Location = New System.Drawing.Point(128, 56) Me.btnUltimo.Name = "btnUltimo" Me.btnUltimo.Size = New System.Drawing.Size(96, 23) Me.btnUltimo.TabIndex = 3 Me.btnUltimo.Text = " &Ultimo >>" ' 'btnSiguiente ' Me.btnSiguiente.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnSiguiente.ForeColor = System.Drawing.Color.Navy Me.btnSiguiente.Location = New System.Drawing.Point(128, 16) Me.btnSiguiente.Name = "btnSiguiente" Me.btnSiguiente.Size = New System.Drawing.Size(96, 24)

Me.btnSiguiente.TabIndex = 2 Me.btnSiguiente.Text = " &Siguiente >>" ' 'btnAnterior ' Me.btnAnterior.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnAnterior.ForeColor = System.Drawing.Color.Navy Me.btnAnterior.Location = New System.Drawing.Point(16, 56) Me.btnAnterior.Name = "btnAnterior" Me.btnAnterior.Size = New System.Drawing.Size(88, 24) Me.btnAnterior.TabIndex = 1 Me.btnAnterior.Text = "<< &Anterior" ' 'btnPrimero ' Me.btnPrimero.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnPrimero.ForeColor = System.Drawing.Color.Navy Me.btnPrimero.Location = New System.Drawing.Point(16, 16) Me.btnPrimero.Name = "btnPrimero" Me.btnPrimero.Size = New System.Drawing.Size(88, 23) Me.btnPrimero.TabIndex = 0 Me.btnPrimero.Text = "<< &Primero" ' 'frmActCargo ' Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.BackColor = System.Drawing.Color.Red Me.ClientSize = New System.Drawing.Size(632, 254) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.GroupBox2, Me.GroupBox1, Me.Label3, Me.Label2, Me.txtDescripcion, Me.txtCodigo, Me.lblRegistro}) Me.Name = "frmActCargo" Me.Text = "Actualizando Cargos" Me.GroupBox2.ResumeLayout(False) Me.GroupBox1.ResumeLayout(False) Me.ResumeLayout(False)

End Sub

#End Region

Private Sub ConfiguraControles(ByVal stStatus As Integer) txtCentro.Enabled = (stStatus = 1) txtCiudad.Enabled = (stStatus = 1) Or (stStatus = 2) btnPrimero.Enabled = (stStatus = 0) btnAnterior.Enabled = (stStatus = 0) btnSiguiente.Enabled = (stStatus = 0) btnUltimo.Enabled = (stStatus = 0) btnNuevo.Enabled = (stStatus = 0) btnEditar.Enabled = (stStatus = 0) btnGuardar.Enabled = (stStatus = 1) Or (stStatus = 2) btnCancelar.Enabled = (stStatus = 1) Or (stStatus = 2) btnBuscar.Enabled = (stStatus = 0)

btnEliminar.Enabled = (stStatus = 0) Select Case stStatus Case 1 'Agregando nuevo registro Me.Text = spNuevo txtCentro.Text = "" txtCiudad.Text = "" txtCodigo.Focus() Case 2 'Modificando registro Me.Text = spModificacion txtCiudad.Focus() Case Else ' Exploracion de datos Me.Text = spExploracion End Select End Sub

Private Sub frmActCentro_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load MODCONEXION.Conexion.Open() daCentro = New SqlDataAdapter("SELECT * FROM Centro", MODCONEXION.Conexion) objDataSet = New DataSet() daCentro.Fill(objDataSet, "Centro") MODCONEXION.Conexion.Close()

Me.txtCentro.DataBindings.Add("Text", objDataSet, "Centro.Cod_Centro") Me.txtCiudad.DataBindings.Add("Text", objDataSet, "Centro.Ciudad")

Call HabilitarControles(False) Call HabilitarBotones(True) Call HabilitarEditar(True) Call BotonA(True) Call BotonB(True) End Sub

Private Sub btnPrimero_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnPrimero.Click Me.BindingContext(Me.objDataSet, "Centro").Position = 0 Call BotonA(False) Call BotonB(True) Call NumRegistro() End Sub

Private Sub btnSiguiente_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSiguiente.Click If Me.BindingContext(objDataSet, "Centro").Position < (Me.BindingContext(objDataSet, _ "Centro").Count - 1) Then Me.BindingContext(objDataSet, "Centro").Position = _ (Me.BindingContext(objDataSet, "Centro").Position + 1) Call BotonA(True) Else Call BotonB(False) End If Me.NumRegistro() End Sub

Private Sub btnAnterior_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAnterior.Click If Me.BindingContext(objDataSet, "Centro").Position > 0 Then Me.BindingContext(objDataSet, "Centro").Position = _ (Me.BindingContext(objDataSet, "Centro").Position - 1) Call BotonB(True) Else Call BotonA(False) End If Me.NumRegistro() End Sub

Private Sub btnUltimo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnUltimo.Click Me.BindingContext(Me.objDataSet, "Centro").Position = _ (Me.objDataSet.Tables("Centro").Rows.Count - 1) Call BotonB(False) Call BotonA(True) Me.NumRegistro() End Sub

Private Sub btnBuscar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnBuscar.Click Dim strDato As String Dim fila As Integer Dim dv As New DataView()

strDato = InputBox("Ingrese codigo de Centro", "Buscar", "") strDato = Trim(strDato) If Len(strDato) < 1 Then Exit Sub dv.Table = objDataSet.Tables("Cargo") dv.Sort = "Cod_Centro" fila = dv.Find(strDato) If fila = -1 Then MessageBox.Show("Codigo de Centro no existe", "Cuidado") Exit Sub End If Me.BindingContext(objDataSet, "Centro").Position = fila Call NumRegistro() End Sub Private Sub HabilitarEditar(ByVal est As Boolean) Dim ctrl As Control For Each ctrl In Me.Controls If TypeOf ctrl Is Button Then ctrl.Enabled = est Next btnEditar.Enabled = Not est btnBuscar.Enabled = Not est btnEliminar.Enabled = Not est btnNuevo.Enabled = Not est End Sub Private Sub btnNuevo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnNuevo.Click flag = 1

Call HabilitarBotones(False) Call LimpiarControles() Call GeneraCodigo()

Call HabilitarEditar(True) ConfiguraControles(1)

End Sub

Private Sub btnEditar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEditar.Click flag = 2

ConfiguraControles(2)

End Sub

Private Sub btnCancelar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCancelar.Click MODCONEXION.Conexion.Open() objDataSet.RejectChanges() MODCONEXION.Conexion.Close() btnAnterior.PerformClick()

ConfiguraControles(0) End Sub

Private Sub btnSalir_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSalir.Click MODCONEXION.Conexion.Close() Me.Close() End Sub

Private Sub HabilitarControles(ByVal est As Boolean)

Dim ctrl As Control For Each ctrl In Me.Controls If TypeOf ctrl Is TextBox Then ctrl.Enabled = est Next

End Sub

Private Sub HabilitarBotones(ByVal est As Boolean) Dim ctrl As Control For Each ctrl In Me.Controls If TypeOf ctrl Is Button Then ctrl.Enabled = est Next btnGuardar.Enabled = Not est btnCancelar.Enabled = Not est End Sub

Private Sub LimpiarControles() Dim ctrl As Control For Each ctrl In Me.Controls If TypeOf ctrl Is TextBox Then ctrl.Text = "" Next End Sub

Private Sub Actualizar() objDataSet.Clear() daCargo.Fill(objDataSet, "Centro") End Sub

Private Sub GeneraCodigo() Dim cmd As New SqlCommand("select max(Cod_Centro)from Centro", MODCONEXION.Conexion) MODCONEXION.Conexion.Open() strCodigo = cmd.ExecuteScalar MODCONEXION.Conexion.Close() txtCodigo.Text = Format(Val(strCodigo) + 1, "00000") End Sub

Private Sub BotonB(ByVal VarX As Boolean) btnSiguiente.Enabled = VarX btnUltimo.Enabled = VarX End Sub

Private Sub BotonA(ByVal VarX As Boolean) btnPrimero.Enabled = VarX btnAnterior.Enabled = VarX End Sub

Private Sub btnEliminar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEliminar.Click Dim sql3 As String sql3 = "delete from Centro where Cod_Centro=@Cod_Centro" Dim objComando As New SqlCommand(sql3, MODCONEXION.Conexion) Try objComando.Parameters.Add(New SqlParameter("@Cod_Centro", SqlDbType.VarChar)) objComando.Parameters("@Cod_Centro").Value = InputBox("Ingrese el código del Centro a eliminar: ") MODCONEXION.Conexion.Open() resultado = objComando.ExecuteNonQuery Call Actualizar() btnAnterior.PerformClick() ' Para que muestre el registro anterior luego de eliminar MessageBox.Show("Registros Eliminados: " & resultado, "", 0, MessageBoxIcon.Information) Catch exc As Exception MessageBox.Show(exc.Message) End Try MODCONEXION.Conexion.Close() Call HabilitarControles(False) Call HabilitarBotones(True) Call BotonA(True) Call BotonB(True) End Sub

Private Sub btnGuardar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGuardar.Click Dim sql, oper As String If flag = 1 Then ' Nuevo

sql = "INSERT INTO Centro (Cod_Centro,Descripcion) VALUES (@Cod_Centro,@Ciudad)" oper = " insertados: " Else ' Editar sql = "UPDATE Cargo SET Cod_Centro=@Cod_Centro , Ciudad=@Ciudad where Cod_Centro=@Cod_Centro" oper = " modificados: " End If 'Creando comando Dim objcomando As New SqlCommand(sql, MODCONEXION.Conexion) Try objcomando.Parameters.Add(New SqlParameter("@Cod_Centro", SqlDbType.Char)) objcomando.Parameters("@Cod_Centro").Value = txtCodigo.Text

objcomando.Parameters.Add(New SqlParameter("@Ciudad", SqlDbType.VarChar)) objcomando.Parameters("@Descripcion").Value = txtDescripcion.Text

MODCONEXION.Conexion.Open() resultado = objcomando.ExecuteNonQuery 'Ejecuta una instrucción de Transact-SQL en Connection y devuelve el número de filas afectadas. Call Actualizar() 'Para actualizar posición Call NumRegistro() MessageBox.Show("Registros " & oper & resultado, "", 0, MessageBoxIcon.Information) Catch exc As Exception MessageBox.Show(exc.Message) End Try

MODCONEXION.Conexion.Close() End Sub

Private Sub NumRegistro() Dim num, total As Integer num = Me.BindingContext(objDataSet, "Centro").Position + 1 total = Me.objDataSet.Tables("Centro").Rows.Count Me.lblRegistro.Text = "Reg: " & Str(num) & " de " & Str(total) End Sub

Private Sub frmActCargo_Closed(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Closed MODCONEXION.FRMAC = False End Sub

Private Sub GroupBox1_Enter(ByVal sender As System.Object, ByVal e As System.EventArgs) End Sub

End Class

REGISTRO DE EXAMENES ATRASADOS

Imports System.Data.SqlClientPublic Class frmActExamen Inherits System.Windows.Forms.Form Dim daMatricula As SqlDataAdapter Dim daCiclo As SqlDataAdapter Dim daEstudiante As SqlDataAdapter Dim daSemestre As SqlDataAdapter Dim objDataSet As DataSet Dim flag As Integer Dim resultado As Integer Dim strCodigo As String

Const spExploracion = "Examen: Exploración de registros" Const spNuevo = "Examen: Nuevo Registro" Const spModificacion = "Examen: Modificación del Registro" Dim SQLAdapter_Master As SqlDataAdapter Dim DataSet_Master As DataSet

#Region " Código generado por el Diseñador de Windows Forms "

Public Sub New() MyBase.New()

'El Diseñador de Windows Forms requiere esta llamada. InitializeComponent()

'Agregar cualquier inicialización después de la llamada a InitializeComponent()

End Sub

'Form reemplaza a Dispose para limpiar la lista de componentes. Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing Then If Not (components Is Nothing) Then components.Dispose() End If End If MyBase.Dispose(disposing) End Sub

'Requerido por el Diseñador de Windows Forms Private components As System.ComponentModel.IContainer

'NOTA: el Diseñador de Windows Forms requiere el siguiente procedimiento 'Puede modificarse utilizando el Diseñador de Windows Forms. 'No lo modifique con el editor de código. Friend WithEvents Label7 As System.Windows.Forms.Label Friend WithEvents Label6 As System.Windows.Forms.Label Friend WithEvents Label4 As System.Windows.Forms.Label Friend WithEvents Label1 As System.Windows.Forms.Label Friend WithEvents txtNumero As System.Windows.Forms.TextBox Friend WithEvents Label2 As System.Windows.Forms.Label Friend WithEvents cboCiclo As System.Windows.Forms.ComboBox Friend WithEvents cboPeriodo As System.Windows.Forms.ComboBox Friend WithEvents cboCodAlumno As System.Windows.Forms.ComboBox Friend WithEvents cboCodEmpleado As System.Windows.Forms.ComboBox Friend WithEvents GroupBox2 As System.Windows.Forms.GroupBox Friend WithEvents btnBuscar As System.Windows.Forms.Button Friend WithEvents btnSalir As System.Windows.Forms.Button Friend WithEvents btnEliminar As System.Windows.Forms.Button Friend WithEvents btnCancelar As System.Windows.Forms.Button Friend WithEvents btnGuardar As System.Windows.Forms.Button Friend WithEvents btnEditar As System.Windows.Forms.Button Friend WithEvents btnNuevo As System.Windows.Forms.Button Friend WithEvents ImageList1 As System.Windows.Forms.ImageList Friend WithEvents lblRegistro As System.Windows.Forms.Label Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox Friend WithEvents btnUltimo As System.Windows.Forms.Button Friend WithEvents btnSiguiente As System.Windows.Forms.Button Friend WithEvents btnAnterior As System.Windows.Forms.Button Friend WithEvents btnPrimero As System.Windows.Forms.Button <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.components = New System.ComponentModel.Container() Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(frmActMatricula)) Me.cboCodAlumno = New System.Windows.Forms.ComboBox() Me.cboCiclo = New System.Windows.Forms.ComboBox() Me.cboCodEmpleado = New System.Windows.Forms.ComboBox() Me.Label7 = New System.Windows.Forms.Label() Me.Label6 = New System.Windows.Forms.Label() Me.Label4 = New System.Windows.Forms.Label() Me.Label1 = New System.Windows.Forms.Label() Me.txtNumero = New System.Windows.Forms.TextBox() Me.cboPeriodo = New System.Windows.Forms.ComboBox()

Me.Label2 = New System.Windows.Forms.Label() Me.GroupBox2 = New System.Windows.Forms.GroupBox() Me.btnBuscar = New System.Windows.Forms.Button() Me.ImageList1 = New System.Windows.Forms.ImageList(Me.components) Me.btnSalir = New System.Windows.Forms.Button() Me.btnEliminar = New System.Windows.Forms.Button() Me.btnCancelar = New System.Windows.Forms.Button() Me.btnGuardar = New System.Windows.Forms.Button() Me.btnEditar = New System.Windows.Forms.Button() Me.btnNuevo = New System.Windows.Forms.Button() Me.lblRegistro = New System.Windows.Forms.Label() Me.GroupBox1 = New System.Windows.Forms.GroupBox() Me.btnUltimo = New System.Windows.Forms.Button() Me.btnSiguiente = New System.Windows.Forms.Button() Me.btnAnterior = New System.Windows.Forms.Button() Me.btnPrimero = New System.Windows.Forms.Button() Me.GroupBox2.SuspendLayout() Me.GroupBox1.SuspendLayout() Me.SuspendLayout() ' 'cboCodAlumno ' Me.cboCodAlumno.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.cboCodAlumno.ForeColor = System.Drawing.Color.Navy Me.cboCodAlumno.Location = New System.Drawing.Point(176, 144) Me.cboCodAlumno.Name = "cboCodAlumno" Me.cboCodAlumno.Size = New System.Drawing.Size(160, 21) Me.cboCodAlumno.TabIndex = 77 ' 'cboCiclo ' Me.cboCiclo.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.cboCiclo.ForeColor = System.Drawing.Color.Navy Me.cboCiclo.Location = New System.Drawing.Point(176, 104) Me.cboCiclo.Name = "cboCiclo" Me.cboCiclo.Size = New System.Drawing.Size(168, 21) Me.cboCiclo.TabIndex = 76 ' 'cboCodEmpleado ' Me.cboCodEmpleado.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.cboCodEmpleado.ForeColor = System.Drawing.Color.Navy Me.cboCodEmpleado.Location = New System.Drawing.Point(176, 64) Me.cboCodEmpleado.Name = "cboCodEmpleado" Me.cboCodEmpleado.Size = New System.Drawing.Size(168, 21) Me.cboCodEmpleado.TabIndex = 75 ' 'Label7 ' Me.Label7.BackColor = System.Drawing.Color.Transparent

Me.Label7.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, (System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label7.ForeColor = System.Drawing.Color.Yellow Me.Label7.Location = New System.Drawing.Point(8, 144) Me.Label7.Name = "Label7" Me.Label7.Size = New System.Drawing.Size(136, 23) Me.Label7.TabIndex = 74 Me.Label7.Text = "Código del Alumno:" ' 'Label6 ' Me.Label6.BackColor = System.Drawing.Color.Transparent Me.Label6.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, (System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label6.ForeColor = System.Drawing.Color.Yellow Me.Label6.Location = New System.Drawing.Point(8, 104) Me.Label6.Name = "Label6" Me.Label6.Size = New System.Drawing.Size(136, 23) Me.Label6.TabIndex = 73 Me.Label6.Text = "Ciclo:" ' 'Label4 ' Me.Label4.BackColor = System.Drawing.Color.Transparent Me.Label4.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, (System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label4.ForeColor = System.Drawing.Color.Yellow Me.Label4.Location = New System.Drawing.Point(8, 64) Me.Label4.Name = "Label4" Me.Label4.Size = New System.Drawing.Size(152, 23) Me.Label4.TabIndex = 72 Me.Label4.Text = "Código del Secretaria:" ' 'Label1 ' Me.Label1.BackColor = System.Drawing.Color.Transparent Me.Label1.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, (System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label1.ForeColor = System.Drawing.Color.Yellow Me.Label1.Location = New System.Drawing.Point(8, 16) Me.Label1.Name = "Label1" Me.Label1.Size = New System.Drawing.Size(152, 23) Me.Label1.TabIndex = 64 Me.Label1.Text = "Numero de Matrícula:" ' 'txtNumero ' Me.txtNumero.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.txtNumero.ForeColor = System.Drawing.Color.Navy Me.txtNumero.Location = New System.Drawing.Point(176, 16) Me.txtNumero.Name = "txtNumero"

Me.txtNumero.Size = New System.Drawing.Size(128, 20) Me.txtNumero.TabIndex = 60 Me.txtNumero.Text = "" ' 'cboPeriodo ' Me.cboPeriodo.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.cboPeriodo.ForeColor = System.Drawing.Color.Navy Me.cboPeriodo.Location = New System.Drawing.Point(176, 176) Me.cboPeriodo.Name = "cboPeriodo" Me.cboPeriodo.Size = New System.Drawing.Size(168, 21) Me.cboPeriodo.TabIndex = 79 ' 'Label2 ' Me.Label2.BackColor = System.Drawing.Color.Transparent Me.Label2.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, (System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label2.ForeColor = System.Drawing.Color.Yellow Me.Label2.Location = New System.Drawing.Point(8, 176) Me.Label2.Name = "Label2" Me.Label2.Size = New System.Drawing.Size(136, 23) Me.Label2.TabIndex = 78 Me.Label2.Text = "Periodo:" ' 'GroupBox2 ' Me.GroupBox2.BackColor = System.Drawing.Color.Yellow Me.GroupBox2.Controls.AddRange(New System.Windows.Forms.Control() {Me.btnBuscar, Me.btnSalir, Me.btnEliminar, Me.btnCancelar, Me.btnGuardar, Me.btnEditar, Me.btnNuevo}) Me.GroupBox2.Location = New System.Drawing.Point(8, 224) Me.GroupBox2.Name = "GroupBox2" Me.GroupBox2.Size = New System.Drawing.Size(616, 56) Me.GroupBox2.TabIndex = 99 Me.GroupBox2.TabStop = False ' 'btnBuscar ' Me.btnBuscar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnBuscar.ForeColor = System.Drawing.Color.Red Me.btnBuscar.Image = CType(resources.GetObject("btnBuscar.Image"), System.Drawing.Bitmap) Me.btnBuscar.ImageAlign = System.Drawing.ContentAlignment.MiddleRight Me.btnBuscar.ImageIndex = 7 Me.btnBuscar.ImageList = Me.ImageList1 Me.btnBuscar.Location = New System.Drawing.Point(368, 16) Me.btnBuscar.Name = "btnBuscar" Me.btnBuscar.Size = New System.Drawing.Size(80, 24) Me.btnBuscar.TabIndex = 6 Me.btnBuscar.Text = "&Buscar" '

'ImageList1 ' Me.ImageList1.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit Me.ImageList1.ImageSize = New System.Drawing.Size(16, 16) Me.ImageList1.ImageStream = CType(resources.GetObject("ImageList1.ImageStream"), System.Windows.Forms.ImageListStreamer) Me.ImageList1.TransparentColor = System.Drawing.Color.Transparent ' 'btnSalir ' Me.btnSalir.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnSalir.ForeColor = System.Drawing.Color.Red Me.btnSalir.Image = CType(resources.GetObject("btnSalir.Image"), System.Drawing.Bitmap) Me.btnSalir.ImageAlign = System.Drawing.ContentAlignment.MiddleRight Me.btnSalir.ImageIndex = 6 Me.btnSalir.ImageList = Me.ImageList1 Me.btnSalir.Location = New System.Drawing.Point(528, 16) Me.btnSalir.Name = "btnSalir" Me.btnSalir.Size = New System.Drawing.Size(80, 24) Me.btnSalir.TabIndex = 5 Me.btnSalir.Text = "&Salir" ' 'btnEliminar ' Me.btnEliminar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnEliminar.ForeColor = System.Drawing.Color.Red Me.btnEliminar.ImageAlign = System.Drawing.ContentAlignment.MiddleRight Me.btnEliminar.ImageList = Me.ImageList1 Me.btnEliminar.Location = New System.Drawing.Point(456, 16) Me.btnEliminar.Name = "btnEliminar" Me.btnEliminar.Size = New System.Drawing.Size(64, 24) Me.btnEliminar.TabIndex = 4 Me.btnEliminar.Text = "&Eliminar" ' 'btnCancelar ' Me.btnCancelar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnCancelar.ForeColor = System.Drawing.Color.Red Me.btnCancelar.ImageList = Me.ImageList1 Me.btnCancelar.Location = New System.Drawing.Point(296, 16) Me.btnCancelar.Name = "btnCancelar" Me.btnCancelar.Size = New System.Drawing.Size(64, 24) Me.btnCancelar.TabIndex = 3 Me.btnCancelar.Text = "&Cancelar" ' 'btnGuardar '

Me.btnGuardar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnGuardar.ForeColor = System.Drawing.Color.Red Me.btnGuardar.Image = CType(resources.GetObject("btnGuardar.Image"), System.Drawing.Bitmap) Me.btnGuardar.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft Me.btnGuardar.ImageIndex = 10 Me.btnGuardar.ImageList = Me.ImageList1 Me.btnGuardar.Location = New System.Drawing.Point(200, 16) Me.btnGuardar.Name = "btnGuardar" Me.btnGuardar.Size = New System.Drawing.Size(88, 24) Me.btnGuardar.TabIndex = 2 Me.btnGuardar.Text = "&Guardar" ' 'btnEditar ' Me.btnEditar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnEditar.ForeColor = System.Drawing.Color.Red Me.btnEditar.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft Me.btnEditar.ImageList = Me.ImageList1 Me.btnEditar.Location = New System.Drawing.Point(120, 16) Me.btnEditar.Name = "btnEditar" Me.btnEditar.Size = New System.Drawing.Size(64, 24) Me.btnEditar.TabIndex = 1 Me.btnEditar.Text = "&Editar" ' 'btnNuevo ' Me.btnNuevo.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnNuevo.ForeColor = System.Drawing.Color.Red Me.btnNuevo.Image = CType(resources.GetObject("btnNuevo.Image"), System.Drawing.Bitmap) Me.btnNuevo.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft Me.btnNuevo.ImageIndex = 14 Me.btnNuevo.ImageList = Me.ImageList1 Me.btnNuevo.Location = New System.Drawing.Point(16, 16) Me.btnNuevo.Name = "btnNuevo" Me.btnNuevo.Size = New System.Drawing.Size(80, 24) Me.btnNuevo.TabIndex = 0 Me.btnNuevo.Text = "&Nuevo" ' 'lblRegistro ' Me.lblRegistro.Font = New System.Drawing.Font("Times New Roman", 14.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.lblRegistro.ForeColor = System.Drawing.Color.Yellow Me.lblRegistro.Location = New System.Drawing.Point(416, 72) Me.lblRegistro.Name = "lblRegistro" Me.lblRegistro.Size = New System.Drawing.Size(192, 24) Me.lblRegistro.TabIndex = 101 Me.lblRegistro.Text = "Registro:"

' 'GroupBox1 ' Me.GroupBox1.BackColor = System.Drawing.Color.Yellow Me.GroupBox1.Controls.AddRange(New System.Windows.Forms.Control() {Me.btnUltimo, Me.btnSiguiente, Me.btnAnterior, Me.btnPrimero}) Me.GroupBox1.ForeColor = System.Drawing.SystemColors.ActiveCaption Me.GroupBox1.Location = New System.Drawing.Point(416, 112) Me.GroupBox1.Name = "GroupBox1" Me.GroupBox1.Size = New System.Drawing.Size(212, 88) Me.GroupBox1.TabIndex = 100 Me.GroupBox1.TabStop = False ' 'btnUltimo ' Me.btnUltimo.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnUltimo.ForeColor = System.Drawing.Color.Navy Me.btnUltimo.Location = New System.Drawing.Point(104, 56) Me.btnUltimo.Name = "btnUltimo" Me.btnUltimo.Size = New System.Drawing.Size(96, 23) Me.btnUltimo.TabIndex = 3 Me.btnUltimo.Text = " &Ultimo >>" ' 'btnSiguiente ' Me.btnSiguiente.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnSiguiente.ForeColor = System.Drawing.Color.Navy Me.btnSiguiente.Location = New System.Drawing.Point(104, 16) Me.btnSiguiente.Name = "btnSiguiente" Me.btnSiguiente.Size = New System.Drawing.Size(96, 24) Me.btnSiguiente.TabIndex = 2 Me.btnSiguiente.Text = " &Siguiente >>" ' 'btnAnterior ' Me.btnAnterior.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnAnterior.ForeColor = System.Drawing.Color.Navy Me.btnAnterior.Location = New System.Drawing.Point(8, 56) Me.btnAnterior.Name = "btnAnterior" Me.btnAnterior.Size = New System.Drawing.Size(88, 24) Me.btnAnterior.TabIndex = 1 Me.btnAnterior.Text = "<< &Anterior" ' 'btnPrimero ' Me.btnPrimero.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnPrimero.ForeColor = System.Drawing.Color.Navy Me.btnPrimero.Location = New System.Drawing.Point(8, 16) Me.btnPrimero.Name = "btnPrimero"

Me.btnPrimero.Size = New System.Drawing.Size(88, 23) Me.btnPrimero.TabIndex = 0 Me.btnPrimero.Text = "<< &Primero" ' 'frmActMatricula ' Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.BackColor = System.Drawing.Color.Red Me.ClientSize = New System.Drawing.Size(640, 302) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.lblRegistro, Me.GroupBox1, Me.cboPeriodo, Me.Label2, Me.cboCodAlumno, Me.cboCiclo, Me.cboCodEmpleado, Me.Label7, Me.Label6, Me.Label4, Me.Label1, Me.txtNumero, Me.GroupBox2}) Me.Name = "frmActMatricula" Me.Text = "frmMatricula" Me.GroupBox2.ResumeLayout(False) Me.GroupBox1.ResumeLayout(False) Me.ResumeLayout(False)

End Sub

#End Region

Private Sub ConfiguraControles(ByVal stStatus As Integer) txtNumero.Enabled = False '(stStatus = 1) cboCodEmpleado.Enabled = (stStatus = 1) Or (stStatus = 2) cboCiclo.Enabled = (stStatus = 1) Or (stStatus = 2) cboCodEstudiante.Enabled = (stStatus = 1) Or (stStatus = 2) cboSemestre.Enabled = (stStatus = 1) Or (stStatus = 2) btnPrimero.Enabled = (stStatus = 0) btnAnterior.Enabled = (stStatus = 0) btnSiguiente.Enabled = (stStatus = 0) btnUltimo.Enabled = (stStatus = 0) btnNuevo.Enabled = (stStatus = 0) btnEditar.Enabled = (stStatus = 0) btnGuardar.Enabled = (stStatus = 1) Or (stStatus = 2) btnCancelar.Enabled = (stStatus = 1) Or (stStatus = 2) btnBuscar.Enabled = (stStatus = 0) btnEliminar.Enabled = (stStatus = 0)

Select Case stStatus Case 1 'Agregando nuevo registro Me.Text = spNuevo txtNumero.Text = "" cboCiclo.Text = "" cboCodEstudiante.Text = "" cboSemestre.Text = "" txtNumero.Focus() Case 2 'Modificando registro Me.Text = spModificacion txtNumero.Focus() Case Else ' Exploracion de datos Me.Text = spExploracion End Select End Sub

Private Sub frmActExamen_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load MODCONEXION.Conexion.Open()

daExamen = New SqlDataAdapter("SELECT * FROM Examen", MODCONEXION.Conexion) daCiclo = New SqlDataAdapter("select * from Ciclo", MODCONEXION.Conexion) daEstudiante = New SqlDataAdapter("select * from Estudiante", MODCONEXION.Conexion) daSemestre = New SqlDataAdapter("select * from Semestre", MODCONEXION.Conexion)

objDataSet = New DataSet() daMatricula.Fill(objDataSet, "Examen") daCiclo.Fill(objDataSet, "Ciclo") daEstudiante.Fill(objDataSet, "Estudiante") daSemestre.Fill(objDataSet, "Semestre")

MODCONEXION.Conexion.Close() ' Enlazando los controles al campo correspondiente Me.txtNumero.DataBindings.Add("Text", objDataSet, "Examen.Num_Examen")

Me.cboCiclo.DataBindings.Add(New System.Windows.Forms.Binding("SelectedValue", Me.objDataSet, "Examen.Numero_Ciclo")) Me.cboCiclo.DataSource = Me.objDataSet.Tables("Ciclo") Me.cboCiclo.DisplayMember = "Numero_Ciclo" Me.cboCiclo.ValueMember = "Numero_Ciclo" Me.cboCiclo.DropDownStyle = ComboBoxStyle.DropDownList

Me.cboCodEstudiante.DataBindings.Add(New System.Windows.Forms.Binding("SelectedValue", Me.objDataSet, "Examen.Cod_Estudiante")) Me.cboCodEstudiante.DataSource = Me.objDataSet.Tables("Estudiante") Me.cboCodEstudiante.DisplayMember = "Cod_Estudiante" Me.cboCodEstudiante.ValueMember = "Cod_Estudiante" Me.cboCodEstudiante.DropDownStyle = ComboBoxStyle.DropDownList

Me.cboSemestre.DataBindings.Add(New System.Windows.Forms.Binding("SelectedValue", Me.objDataSet, "Examen.Semestre")) Me.cboSemestre.DataSource = Me.objDataSet.Tables("Semestre") Me.cboSemestre.DisplayMember = "Semestre" Me.cboSemestre.ValueMember = "Semestre" Me.cboSemestre.DropDownStyle = ComboBoxStyle.DropDownList

Call HabilitarControles(True) Call HabilitarBotones(True) Call BotonA(True) Call BotonB(True) ConfiguraControles(0) End Sub

Private Sub HabilitarBotones(ByVal est As Boolean) Dim ctrl As Control For Each ctrl In Me.Controls If TypeOf ctrl Is Button Then ctrl.Enabled = est Next btnGuardar.Enabled = Not est btnCancelar.Enabled = Not est End Sub

Private Sub HabilitarEditar(ByVal est As Boolean) Dim ctrl As Control For Each ctrl In Me.Controls If TypeOf ctrl Is Button Then ctrl.Enabled = est Next btnEditar.Enabled = Not est btnBuscar.Enabled = Not est btnEliminar.Enabled = Not est btnNuevo.Enabled = Not est End Sub

Private Sub LimpiarControles() Dim ctrl As Control For Each ctrl In Me.Controls If TypeOf ctrl Is TextBox Then ctrl.Text = "" Next End Sub

Private Sub Actualizar() objDataSet.Clear() daExamen.Fill(objDataSet, "Examen") daCiclo.Fill(objDataSet, "Ciclo") daAlumno.Fill(objDataSet, "Estudiante") daPeriodo.Fill(objDataSet, "Semestre") End Sub

Private Sub GeneraNumero() Dim cmd As New SqlCommand("select max(Num_Examen)from Examen", MODCONEXION.Conexion) MODCONEXION.Conexion.Open() strCodigo = cmd.ExecuteScalar MODCONEXION.Conexion.Close() txtNumero.Text = Format(Val(strCodigo) + 1, "00000") End Sub

Private Sub BotonB(ByVal VarX As Boolean) btnSiguiente.Enabled = VarX btnUltimo.Enabled = VarX End Sub

Private Sub BotonA(ByVal VarX As Boolean) btnPrimero.Enabled = VarX btnAnterior.Enabled = VarX End Sub

Private Sub NumRegistro() Dim num, total As Integer

num = Me.BindingContext(objDataSet, "Examen").Position + 1 total = Me.objDataSet.Tables("Examen").Rows.Count Me.lblRegistro.Text = "Reg: " & Str(num) & " de " & Str(total) End Sub

Private Sub btnPrimero_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnPrimero.Click Me.BindingContext(Me.objDataSet, "Examen").Position = 0 Call BotonA(False) Call BotonB(True) Call NumRegistro() End Sub

Private Sub btnSiguiente_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSiguiente.Click If Me.BindingContext(objDataSet, "Examen").Position < (Me.BindingContext(objDataSet, _ "Examen").Count - 1) Then Me.BindingContext(objDataSet, "Examen").Position = _ (Me.BindingContext(objDataSet, "Examen").Position + 1) Call BotonA(True) Else Call BotonB(False) End If Me.NumRegistro() End Sub

Private Sub btnAnterior_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAnterior.Click If Me.BindingContext(objDataSet, "Examen").Position > 0 Then Me.BindingContext(objDataSet, "Examen").Position = _ (Me.BindingContext(objDataSet, "Examen").Position - 1) Call BotonB(True) Else Call BotonA(False) End If Me.NumRegistro() End Sub

Private Sub btnUltimo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnUltimo.Click Me.BindingContext(Me.objDataSet, "Examen").Position = _ (Me.objDataSet.Tables("Examen").Rows.Count - 1) Call BotonB(False) Call BotonA(True) Me.NumRegistro() End Sub

Private Sub btnBuscar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnBuscar.Click Dim strDato As String Dim fila As Integer Dim dv As New DataView() strDato = InputBox("Ingrese Numero de Examen", "Buscar", "") strDato = Trim(strDato) If Len(strDato) < 1 Then Exit Sub

dv.Table = objDataSet.Tables("Examen") dv.Sort = "Num_Examen" fila = dv.Find(strDato) If fila = -1 Then MessageBox.Show("Numero de Examen no existe", "Cuidado") Exit Sub End If Me.BindingContext(objDataSet, "Examen").Position = fila Call NumRegistro() End Sub

Private Sub btnNuevo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnNuevo.Click flag = 1 Call HabilitarBotones(False) Call LimpiarControles() Call GeneraNumero() Call HabilitarEditar(True) 'Call BotonA(False) 'Call BotonB(False) ConfiguraControles(1) txtNumero.Focus() End Sub

Private Sub btnEditar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEditar.Click flag = 2 Call HabilitarControles(True) Call HabilitarBotones(False)

End Sub

Private Sub btnCancelar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCancelar.Click MODCONEXION.Conexion.Open() objDataSet.RejectChanges() MODCONEXION.Conexion.Close() btnAnterior.PerformClick() ConfiguraControles(0) Call HabilitarControles(False) Call HabilitarBotones(True) End Sub

Private Sub btnEliminar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEliminar.Click Dim sql3 As String sql3 = "delete from Examen where Num_Examen=@Num_Examen" Dim objComando As New SqlCommand(sql3, MODCONEXION.Conexion) Try objComando.Parameters.Add(New SqlParameter("@Num_Examen", SqlDbType.VarChar)) objComando.Parameters("@Num_Examen").Value = InputBox("Ingrese el numero del Examen a eliminar: ") MODCONEXION.Conexion.Open() resultado = objComando.ExecuteNonQuery Call Actualizar()

btnAnterior.PerformClick() ' Para que muestre el registro anterior luego de eliminar MessageBox.Show("Registros Eliminados: " & resultado, "", 0, MessageBoxIcon.Information) Catch exc As Exception MessageBox.Show(exc.Message) End Try MODCONEXION.Conexion.Close() End Sub

Private Sub btnSalir_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSalir.Click MODCONEXION.Conexion.Close() Me.Close() End Sub

Private Sub btnGuardar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGuardar.Click Dim sql, oper As String If Not Datos_BienEscritos() Then Exit Sub End If

If flag = 1 Then ' Nuevo sql = "INSERT INTO Matricula (Num_Examen, Cod_Semestre, Cod_Estudiante) VALUES (@Num_Examen, @Cod_Semestre, @Cod_Estudiante)" oper = " insertados: " Else ' Editar sql = "UPDATE Examen SET Num_Examen=@Num_Examen , Cod_Semestre=@Cod_Semestre,Cod_Estudiante=@Cod_Estudiante where Num_Examen=@Num_Examen" oper = " modificados: " End If 'Creando comando Dim objcomando As New SqlCommand(sql, MODCONEXION.Conexion) Try objcomando.Parameters.Add(New SqlParameter("@Num_Examen", SqlDbType.Char)) objcomando.Parameters("@Num_Examen").Value = txtNumero.Text

objcomando.Parameters.Add(New SqlParameter("@Numero_Ciclo", SqlDbType.Char)) objcomando.Parameters("@Numero_Ciclo").Value = cboCiclo.SelectedValue

objcomando.Parameters.Add(New SqlParameter("@Cod_Estudiante", SqlDbType.Char)) objcomando.Parameters("@Cod_Estudiante").Value = cboCodEstudiante.SelectedValue

objcomando.Parameters.Add(New SqlParameter("@Semestre", SqlDbType.Char)) objcomando.Parameters("@Semestre").Value = cboPeriodo.SelectedValue

MODCONEXION.Conexion.Open() resultado = objcomando.ExecuteNonQuery 'Ejecuta una instrucción de Transact-SQL en Connection y devuelve el número de filas afectadas. Call Actualizar() 'Para actualizar posición Call NumRegistro() MessageBox.Show("Registros " & oper & resultado, "", 0, MessageBoxIcon.Information) ConfiguraControles(0) Catch exc As Exception MessageBox.Show(exc.Message) End Try Call HabilitarControles(False) Call HabilitarBotones(True) MODCONEXION.Conexion.Close() End Sub

Private Function CountRegistros(ByVal FieldCount As String, ByVal SQL As String) As Integer Dim oCNN As System.Data.SqlClient.SqlConnection Dim oCMD As System.Data.SqlClient.SqlCommand Dim oDRD As System.Data.SqlClient.SqlDataReader Dim i As Integer i = 0 oCNN = MODCONEXION.Conexion oCMD = NewComando(oCNN, SQL, CommandType.Text) Try oCNN.Open() oDRD = oCMD.ExecuteReader If Not (oDRD.Read) Then i = 0 Else i = oDRD.Item(FieldCount) End If Catch xErr As Exception MsgBox(xErr.Message) Finally oCNN.Close() oCMD = Nothing oDRD = Nothing End Try Return i End Function

Private Function Datos_BienEscritos() As Boolean Dim s As String txtNumero.Text = Trim(txtNumero.Text) 'cboCiclo.Text = Trim(cboCiclo.Text) 'cboCodAlumno.Text = Trim(cboCodEstudiante.Text) 'cboSemestre.Text = Trim(cboSemestre.Text) If (Len(txtNumero.Text) < 1) And (spModificacion = Me.Text) Then MessageBox.Show("Escriba los nombres.Actualización cancelada", "Faltan datos", 0, MessageBoxIcon.Information) Return False End If

If (Len(cboCodEmpleado.Text) < 1) Then MessageBox.Show("Escriba los nombres.Actualización cancelada", "Faltan datos", 0, MessageBoxIcon.Information) cboCodEmpleado.Focus() Return False End If

If (Len(cboCiclo.Text) < 1) Then MessageBox.Show("Escriba los Apellidos.Actualización cancelada", "Faltan datos", 0, MessageBoxIcon.Information) cboCiclo.Focus() Return False End If

If (Len(cboCodEstudiante.Text) < 1) Then MessageBox.Show("Escriba los Apellidos.Actualización cancelada", "Faltan datos", 0, MessageBoxIcon.Information) cboCodAlumno.Focus() Return False End If

If (Len(cboSemestre.Text) < 1) Then MessageBox.Show("Escriba los Apellidos.Actualización cancelada", "Faltan datos", 0, MessageBoxIcon.Information) cboSemestre.Focus() Return False End If

s = "SELECT total=Count(Num_Examen) FROM Examen WHERE (Cod_Estudiante='" & cboCodEstudiante.SelectedValue & "')" If Me.Text = spModificacion Then s = s & " AND NOT (Num_Examen='" & txtNumero.Text & "')" End If If (CountRegistros("total", s) > 0) Then MessageBox.Show("Ese nombre ya existe en la BD.Actualización cancelada", "Faltan datos", 0, MessageBoxIcon.Information) txtNumero.Focus() Return False End If If Me.Text = spNuevo Then s = "SELECT total=Count(Num_Matricula) FROM matricula WHERE (Num_Examen='" & txtNumero.Text & "')" If (CountRegistros("total", s) > 0) Then GeneraNumero() End If Return True End Function

Private Function ActualizarBaseDeDatos(ByVal IsInsercion As Boolean) As Boolean Dim oCNN As System.Data.SqlClient.SqlConnection Dim oCMD As System.Data.SqlClient.SqlCommand Dim oPRM As System.Data.SqlClient.SqlParameter Dim Codigo As Integer Dim r As Boolean Codigo = 0

r = True ' oCNN = Conector.NewConexion() ' oCNN.Open() oCNN = MODCONEXION.Conexion If IsInsercion Then GeneraNumero() oCMD = NewComando(oCNN, "dbo.InsertExamen", CommandType.StoredProcedure) Else oCMD = NewComando(oCNN, "dbo.ActualizarExamen", CommandType.StoredProcedure) End If oPRM = NewParameter("Nom_Estudiante", True, SqlDbType.VarChar, 20, cboCodEmpleado.Text) oCMD.Parameters.Add(oPRM) oPRM = NewParameter("Ape_Estudiante", True, SqlDbType.VarChar, 20, cboCiclo.Text) oCMD.Parameters.Add(oPRM) oPRM = NewParameter("Fecha_Ingreso", True, SqlDbType.DateTime, 8, cboCodAlumno.Text) oCMD.Parameters.Add(oPRM) oPRM = NewParameter("Tipo_Estudiante", True, SqlDbType.Char, 18, cboPeriodo.Text) oCMD.Parameters.Add(oPRM) oPRM = NewParameter("Cod_Estudiante", True, SqlDbType.Char, 18, txtNumero.Text) oCMD.Parameters.Add(oPRM)

Try oCNN.Open() oCMD.ExecuteNonQuery() Catch xErr As Exception MsgBox(xErr.Message) r = False Finally oCNN.Close() oCMD = Nothing oPRM = Nothing oCNN = Nothing End Try Return r End Function

Protected Overrides Sub Finalize() MyBase.Finalize() End Sub

Private Sub frmActExamen_Closed(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Closed MODCONEXION.FRMAM = False End Sub

End Class

PAGO VALOR PARA TOMA EXAMEN ATRASADO

Imports System.Data.SqlClientPublic Class frmActFichaPagos Inherits System.Windows.Forms.Form Dim daFicha_Pagos As SqlDataAdapter Dim daAlumno As SqlDataAdapter Dim objDataSet As DataSet Dim flag As Integer Dim resultado As Integer Dim strCodigo As String Const spExploracion = "FichaPago: Exploración de registros" Const spNuevo = "FichaPago: Nuevo Registro" Const spModificacion = "FichaPago: Modificación del Registro" Dim SQLAdapter_Master As SqlDataAdapter Dim DataSet_Master As DataSet

#Region " Código generado por el Diseñador de Windows Forms "

Public Sub New() MyBase.New()

'El Diseñador de Windows Forms requiere esta llamada. InitializeComponent()

'Agregar cualquier inicialización después de la llamada a InitializeComponent()

End Sub

'Form reemplaza a Dispose para limpiar la lista de componentes. Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing Then If Not (components Is Nothing) Then components.Dispose() End If End If MyBase.Dispose(disposing) End Sub

'Requerido por el Diseñador de Windows Forms Private components As System.ComponentModel.IContainer

'NOTA: el Diseñador de Windows Forms requiere el siguiente procedimiento 'Puede modificarse utilizando el Diseñador de Windows Forms. 'No lo modifique con el editor de código. Friend WithEvents Label3 As System.Windows.Forms.Label Friend WithEvents Label2 As System.Windows.Forms.Label Friend WithEvents Label7 As System.Windows.Forms.Label Friend WithEvents Label1 As System.Windows.Forms.Label Friend WithEvents txtNumero As System.Windows.Forms.TextBox Friend WithEvents txtMonto As System.Windows.Forms.TextBox Friend WithEvents cboAlumno As System.Windows.Forms.ComboBox Friend WithEvents cboEmpleado As System.Windows.Forms.ComboBox Friend WithEvents GroupBox2 As System.Windows.Forms.GroupBox Friend WithEvents btnBuscar As System.Windows.Forms.Button Friend WithEvents btnSalir As System.Windows.Forms.Button Friend WithEvents btnEliminar As System.Windows.Forms.Button Friend WithEvents btnCancelar As System.Windows.Forms.Button Friend WithEvents btnGuardar As System.Windows.Forms.Button Friend WithEvents btnEditar As System.Windows.Forms.Button Friend WithEvents btnNuevo As System.Windows.Forms.Button Friend WithEvents ImageList1 As System.Windows.Forms.ImageList Friend WithEvents lblRegistro As System.Windows.Forms.Label Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox Friend WithEvents btnUltimo As System.Windows.Forms.Button Friend WithEvents btnSiguiente As System.Windows.Forms.Button Friend WithEvents btnAnterior As System.Windows.Forms.Button Friend WithEvents btnPrimero As System.Windows.Forms.Button <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.components = New System.ComponentModel.Container() Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(frmActFichaPagos)) Me.Label3 = New System.Windows.Forms.Label() Me.txtMonto = New System.Windows.Forms.TextBox() Me.cboAlumno = New System.Windows.Forms.ComboBox() Me.Label2 = New System.Windows.Forms.Label() Me.cboEmpleado = New System.Windows.Forms.ComboBox() Me.Label7 = New System.Windows.Forms.Label() Me.Label1 = New System.Windows.Forms.Label() Me.txtNumero = New System.Windows.Forms.TextBox() Me.GroupBox2 = New System.Windows.Forms.GroupBox() Me.btnBuscar = New System.Windows.Forms.Button() Me.btnSalir = New System.Windows.Forms.Button() Me.btnEliminar = New System.Windows.Forms.Button() Me.btnCancelar = New System.Windows.Forms.Button()

Me.btnGuardar = New System.Windows.Forms.Button() Me.btnEditar = New System.Windows.Forms.Button() Me.btnNuevo = New System.Windows.Forms.Button() Me.ImageList1 = New System.Windows.Forms.ImageList(Me.components) Me.lblRegistro = New System.Windows.Forms.Label() Me.GroupBox1 = New System.Windows.Forms.GroupBox() Me.btnUltimo = New System.Windows.Forms.Button() Me.btnSiguiente = New System.Windows.Forms.Button() Me.btnAnterior = New System.Windows.Forms.Button() Me.btnPrimero = New System.Windows.Forms.Button() Me.GroupBox2.SuspendLayout() Me.GroupBox1.SuspendLayout() Me.SuspendLayout() ' 'Label3 ' Me.Label3.BackColor = System.Drawing.Color.Transparent Me.Label3.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, (System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label3.ForeColor = System.Drawing.Color.Yellow Me.Label3.Location = New System.Drawing.Point(8, 72) Me.Label3.Name = "Label3" Me.Label3.Size = New System.Drawing.Size(152, 23) Me.Label3.TabIndex = 101 Me.Label3.Text = "Monto:" ' 'txtMonto ' Me.txtMonto.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.txtMonto.ForeColor = System.Drawing.Color.Navy Me.txtMonto.Location = New System.Drawing.Point(176, 72) Me.txtMonto.Name = "txtMonto" Me.txtMonto.Size = New System.Drawing.Size(96, 20) Me.txtMonto.TabIndex = 100 Me.txtMonto.Text = "" ' 'cboAlumno ' Me.cboAlumno.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.cboAlumno.ForeColor = System.Drawing.Color.Navy Me.cboAlumno.Location = New System.Drawing.Point(176, 104) Me.cboAlumno.Name = "cboAlumno" Me.cboAlumno.Size = New System.Drawing.Size(121, 21) Me.cboAlumno.TabIndex = 99 ' 'Label2 ' Me.Label2.BackColor = System.Drawing.Color.Transparent Me.Label2.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, (System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label2.ForeColor = System.Drawing.Color.Yellow

Me.Label2.Location = New System.Drawing.Point(8, 104) Me.Label2.Name = "Label2" Me.Label2.Size = New System.Drawing.Size(136, 23) Me.Label2.TabIndex = 98 Me.Label2.Text = "Cod_Alumno:" ' 'cboEmpleado ' Me.cboEmpleado.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.cboEmpleado.ForeColor = System.Drawing.Color.Navy Me.cboEmpleado.Location = New System.Drawing.Point(176, 136) Me.cboEmpleado.Name = "cboEmpleado" Me.cboEmpleado.Size = New System.Drawing.Size(121, 21) Me.cboEmpleado.TabIndex = 97 ' 'Label7 ' Me.Label7.BackColor = System.Drawing.Color.Transparent Me.Label7.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, (System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label7.ForeColor = System.Drawing.Color.Yellow Me.Label7.Location = New System.Drawing.Point(8, 136) Me.Label7.Name = "Label7" Me.Label7.Size = New System.Drawing.Size(136, 23) Me.Label7.TabIndex = 96 Me.Label7.Text = "Cod_Empleado:" ' 'Label1 ' Me.Label1.BackColor = System.Drawing.Color.Transparent Me.Label1.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, (System.Drawing.FontStyle.Bold Or System.Drawing.FontStyle.Underline), System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label1.ForeColor = System.Drawing.Color.Yellow Me.Label1.Location = New System.Drawing.Point(8, 16) Me.Label1.Name = "Label1" Me.Label1.Size = New System.Drawing.Size(152, 23) Me.Label1.TabIndex = 95 Me.Label1.Text = "Numero de Ficha:" ' 'txtNumero ' Me.txtNumero.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.txtNumero.ForeColor = System.Drawing.Color.Navy Me.txtNumero.Location = New System.Drawing.Point(176, 16) Me.txtNumero.Name = "txtNumero" Me.txtNumero.Size = New System.Drawing.Size(80, 20) Me.txtNumero.TabIndex = 94 Me.txtNumero.Text = "" ' 'GroupBox2 '

Me.GroupBox2.BackColor = System.Drawing.Color.Yellow Me.GroupBox2.Controls.AddRange(New System.Windows.Forms.Control() {Me.btnBuscar, Me.btnSalir, Me.btnEliminar, Me.btnCancelar, Me.btnGuardar, Me.btnEditar, Me.btnNuevo}) Me.GroupBox2.Location = New System.Drawing.Point(8, 176) Me.GroupBox2.Name = "GroupBox2" Me.GroupBox2.Size = New System.Drawing.Size(608, 56) Me.GroupBox2.TabIndex = 102 Me.GroupBox2.TabStop = False ' 'btnBuscar ' Me.btnBuscar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnBuscar.ForeColor = System.Drawing.Color.Red Me.btnBuscar.Image = CType(resources.GetObject("btnBuscar.Image"), System.Drawing.Bitmap) Me.btnBuscar.ImageAlign = System.Drawing.ContentAlignment.MiddleRight Me.btnBuscar.ImageIndex = 7 Me.btnBuscar.ImageList = Me.ImageList1 Me.btnBuscar.Location = New System.Drawing.Point(360, 16) Me.btnBuscar.Name = "btnBuscar" Me.btnBuscar.Size = New System.Drawing.Size(80, 24) Me.btnBuscar.TabIndex = 6 Me.btnBuscar.Text = "&Buscar" ' 'btnSalir ' Me.btnSalir.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnSalir.ForeColor = System.Drawing.Color.Red Me.btnSalir.Image = CType(resources.GetObject("btnSalir.Image"), System.Drawing.Bitmap) Me.btnSalir.ImageAlign = System.Drawing.ContentAlignment.MiddleRight Me.btnSalir.ImageIndex = 6 Me.btnSalir.ImageList = Me.ImageList1 Me.btnSalir.Location = New System.Drawing.Point(520, 16) Me.btnSalir.Name = "btnSalir" Me.btnSalir.Size = New System.Drawing.Size(80, 24) Me.btnSalir.TabIndex = 5 Me.btnSalir.Text = "&Salir" ' 'btnEliminar ' Me.btnEliminar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnEliminar.ForeColor = System.Drawing.Color.Red Me.btnEliminar.ImageAlign = System.Drawing.ContentAlignment.MiddleRight Me.btnEliminar.ImageList = Me.ImageList1 Me.btnEliminar.Location = New System.Drawing.Point(448, 16) Me.btnEliminar.Name = "btnEliminar" Me.btnEliminar.Size = New System.Drawing.Size(64, 24) Me.btnEliminar.TabIndex = 4

Me.btnEliminar.Text = "&Eliminar" ' 'btnCancelar ' Me.btnCancelar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnCancelar.ForeColor = System.Drawing.Color.Red Me.btnCancelar.ImageList = Me.ImageList1 Me.btnCancelar.Location = New System.Drawing.Point(288, 16) Me.btnCancelar.Name = "btnCancelar" Me.btnCancelar.Size = New System.Drawing.Size(64, 24) Me.btnCancelar.TabIndex = 3 Me.btnCancelar.Text = "&Cancelar" ' 'btnGuardar ' Me.btnGuardar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnGuardar.ForeColor = System.Drawing.Color.Red Me.btnGuardar.Image = CType(resources.GetObject("btnGuardar.Image"), System.Drawing.Bitmap) Me.btnGuardar.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft Me.btnGuardar.ImageIndex = 10 Me.btnGuardar.ImageList = Me.ImageList1 Me.btnGuardar.Location = New System.Drawing.Point(192, 16) Me.btnGuardar.Name = "btnGuardar" Me.btnGuardar.Size = New System.Drawing.Size(88, 24) Me.btnGuardar.TabIndex = 2 Me.btnGuardar.Text = "&Guardar" ' 'btnEditar ' Me.btnEditar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnEditar.ForeColor = System.Drawing.Color.Red Me.btnEditar.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft Me.btnEditar.ImageList = Me.ImageList1 Me.btnEditar.Location = New System.Drawing.Point(112, 16) Me.btnEditar.Name = "btnEditar" Me.btnEditar.Size = New System.Drawing.Size(64, 24) Me.btnEditar.TabIndex = 1 Me.btnEditar.Text = "&Editar" ' 'btnNuevo ' Me.btnNuevo.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnNuevo.ForeColor = System.Drawing.Color.Red Me.btnNuevo.Image = CType(resources.GetObject("btnNuevo.Image"), System.Drawing.Bitmap) Me.btnNuevo.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft Me.btnNuevo.ImageIndex = 14 Me.btnNuevo.ImageList = Me.ImageList1

Me.btnNuevo.Location = New System.Drawing.Point(8, 16) Me.btnNuevo.Name = "btnNuevo" Me.btnNuevo.Size = New System.Drawing.Size(80, 24) Me.btnNuevo.TabIndex = 0 Me.btnNuevo.Text = "&Nuevo" ' 'ImageList1 ' Me.ImageList1.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit Me.ImageList1.ImageSize = New System.Drawing.Size(16, 16) Me.ImageList1.ImageStream = CType(resources.GetObject("ImageList1.ImageStream"), System.Windows.Forms.ImageListStreamer) Me.ImageList1.TransparentColor = System.Drawing.Color.Transparent ' 'lblRegistro ' Me.lblRegistro.Font = New System.Drawing.Font("Times New Roman", 14.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.lblRegistro.ForeColor = System.Drawing.Color.Yellow Me.lblRegistro.Location = New System.Drawing.Point(352, 32) Me.lblRegistro.Name = "lblRegistro" Me.lblRegistro.Size = New System.Drawing.Size(192, 24) Me.lblRegistro.TabIndex = 104 Me.lblRegistro.Text = "Registro:" ' 'GroupBox1 ' Me.GroupBox1.BackColor = System.Drawing.Color.Yellow Me.GroupBox1.Controls.AddRange(New System.Windows.Forms.Control() {Me.btnUltimo, Me.btnSiguiente, Me.btnAnterior, Me.btnPrimero}) Me.GroupBox1.ForeColor = System.Drawing.SystemColors.ActiveCaption Me.GroupBox1.Location = New System.Drawing.Point(352, 72) Me.GroupBox1.Name = "GroupBox1" Me.GroupBox1.Size = New System.Drawing.Size(208, 88) Me.GroupBox1.TabIndex = 103 Me.GroupBox1.TabStop = False ' 'btnUltimo ' Me.btnUltimo.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnUltimo.ForeColor = System.Drawing.Color.Navy Me.btnUltimo.Location = New System.Drawing.Point(104, 56) Me.btnUltimo.Name = "btnUltimo" Me.btnUltimo.Size = New System.Drawing.Size(96, 23) Me.btnUltimo.TabIndex = 3 Me.btnUltimo.Text = " &Ultimo >>" ' 'btnSiguiente ' Me.btnSiguiente.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnSiguiente.ForeColor = System.Drawing.Color.Navy

Me.btnSiguiente.Location = New System.Drawing.Point(104, 16) Me.btnSiguiente.Name = "btnSiguiente" Me.btnSiguiente.Size = New System.Drawing.Size(96, 24) Me.btnSiguiente.TabIndex = 2 Me.btnSiguiente.Text = " &Siguiente >>" ' 'btnAnterior ' Me.btnAnterior.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnAnterior.ForeColor = System.Drawing.Color.Navy Me.btnAnterior.Location = New System.Drawing.Point(8, 56) Me.btnAnterior.Name = "btnAnterior" Me.btnAnterior.Size = New System.Drawing.Size(88, 24) Me.btnAnterior.TabIndex = 1 Me.btnAnterior.Text = "<< &Anterior" ' 'btnPrimero ' Me.btnPrimero.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnPrimero.ForeColor = System.Drawing.Color.Navy Me.btnPrimero.Location = New System.Drawing.Point(8, 16) Me.btnPrimero.Name = "btnPrimero" Me.btnPrimero.Size = New System.Drawing.Size(88, 23) Me.btnPrimero.TabIndex = 0 Me.btnPrimero.Text = "<< &Primero" ' 'frmActFichaPagos ' Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.BackColor = System.Drawing.Color.Red Me.ClientSize = New System.Drawing.Size(640, 254) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.lblRegistro, Me.GroupBox1, Me.Label3, Me.txtMonto, Me.cboAlumno, Me.Label2, Me.cboEmpleado, Me.Label7, Me.Label1, Me.txtNumero, Me.GroupBox2}) Me.Name = "frmActFichaPagos" Me.Text = "frmActFichaPagos" Me.GroupBox2.ResumeLayout(False) Me.GroupBox1.ResumeLayout(False) Me.ResumeLayout(False)

End Sub

#End Region

Private Sub ConfiguraControles(ByVal stStatus As Integer) txtNumero.Enabled = (stStatus = 1) txtMonto.Enabled = (stStatus = 1) Or (stStatus = 2) cboAlumno.Enabled = (stStatus = 1) Or (stStatus = 2)

Select Case stStatus Case 1 'Agregando nuevo registro Me.Text = spNuevo txtNumero.Text = ""

txtMonto.Text = "" cboAlumno.Text = "" txtMonto.Focus() Case 2 'Modificando registro Me.Text = spModificacion txtMonto.Focus() Case Else ' Exploracion de datos Me.Text = spExploracion End Select End Sub Private Sub frmActFichaPagos_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load MODCONEXION.Conexion.Open() daFicha_Pagos = New SqlDataAdapter("Select * From Ficha_Pagos", MODCONEXION.Conexion) daAlumno = New SqlDataAdapter("Select * From Alumno", MODCONEXION.Conexion) objDataSet = New DataSet() daFicha_Pagos.Fill(objDataSet, "Ficha_Pagos") daAlumno.Fill(objDataSet, "Alumno") MODCONEXION.Conexion.Close()

Me.txtNumero.DataBindings.Add("Text", objDataSet, "Ficha_Pagos.Num_Ficha") Me.txtMonto.DataBindings.Add("Text", objDataSet, "Ficha_Pagos.Monto")

Me.cboAlumno.DataBindings.Add(New System.Windows.Forms.Binding("SelectedValue", Me.objDataSet, "Ficha_Pagos.Cod_Alumno")) Me.cboAlumno.DataSource = Me.objDataSet.Tables("Alumno") Me.cboAlumno.DisplayMember = "Nom_Alumno" Me.cboAlumno.ValueMember = "Cod_Alumno" Me.cboAlumno.DropDownStyle = ComboBoxStyle.DropDownList

Call HabilitarControles(True) Call HabilitarBotones(True) Call BotonA(True) Call BotonB(True)

ConfiguraControles(0) End Sub

Private Sub btnPrimero_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnPrimero.Click Me.BindingContext(Me.objDataSet, "Ficha_Pagos").Position = 0 Call BotonA(False) Call BotonB(True) Call NumRegistro() End Sub

Private Sub btnSiguiente_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSiguiente.Click If Me.BindingContext(objDataSet, "Ficha_Pagos").Position < (Me.BindingContext(objDataSet, _ "Ficha_Pagos").Count - 1) Then

Me.BindingContext(objDataSet, "Ficha_Pagos").Position = _ (Me.BindingContext(objDataSet, "Ficha_Pagos").Position + 1) Call BotonA(True) Else Call BotonB(False) End If Me.NumRegistro() End Sub

Private Sub btnAnterior_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAnterior.Click If Me.BindingContext(objDataSet, "Ficha_Pagos").Position > 0 Then Me.BindingContext(objDataSet, "Ficha_Pagos").Position = _ (Me.BindingContext(objDataSet, "Ficha_Pagos").Position - 1) Call BotonB(True) Else Call BotonA(False) End If Me.NumRegistro() End Sub

Private Sub btnUltimo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnUltimo.Click Me.BindingContext(Me.objDataSet, "Ficha_Pagos").Position = _ (Me.objDataSet.Tables("Ficha_Pagos").Rows.Count - 1) Call BotonB(False) Call BotonA(True) Me.NumRegistro() End Sub

Private Sub btnBuscar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnBuscar.Click Dim strDato As String Dim fila As Integer Dim dv As New DataView() strDato = InputBox("Ingrese codigo de Ficha_Pagos", "Buscar") dv.Table = objDataSet.Tables("Ficha_Pagos") dv.Sort = "Num_Ficha" fila = dv.Find(strDato) If fila = -1 Then MessageBox.Show("Codigo de Cod_Alumno no existe", "Cuidado") Exit Sub End If Me.BindingContext(objDataSet, "Ficha_Pagos").Position = fila Call NumRegistro() End Sub

Private Sub btnNuevo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnNuevo.Click flag = 1 Call HabilitarControles(True) Call HabilitarBotones(False) Call LimpiarControles() ConfiguraControles(1)

txtNumero.Focus() End Sub

Private Sub btnEditar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEditar.Click flag = 2 Call HabilitarControles(True) Call HabilitarBotones(False) ConfiguraControles(2) End Sub

Private Sub btnGuardar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGuardar.Click Dim sql, oper As String If flag = 1 Then ' Nuevo sql = "INSERT INTO Entrada (Num_Ficha, Monto, Cod_Alumno, ) VALUES (@Num_Ficha, @Monto, @Cod_Alumno)" oper = " insertados: " Else ' Editar sql = "UPDATE Entrada SET Num_Ficha=@Num_Ficha, Monto=@Monto, Cod_Alumno=@Cod_Alumno, where Num_Ficha=@Num_Ficha" oper = " modificados: " End If 'Creando comando Dim objcomando As New SqlCommand(sql, MODCONEXION.Conexion) Try objcomando.Parameters.Add(New SqlParameter("@Num_Ficha", SqlDbType.Char)) objcomando.Parameters("@Num_Ficha").Value = txtNumero.Text

objcomando.Parameters.Add(New SqlParameter("@Monto", SqlDbType.Decimal)) objcomando.Parameters("@Monto").Value = txtMonto.Text

objcomando.Parameters.Add(New SqlParameter("@Cod_Alumno", SqlDbType.Char)) objcomando.Parameters("@Cod_Alumno").Value = cboAlumno.SelectedValue

MODCONEXION.Conexion.Open() resultado = objcomando.ExecuteNonQuery 'Ejecuta una instrucción de Transact-SQL en Connection y devuelve el número de filas afectadas. Call Actualizar() 'Para actualizar posición Call NumRegistro() MessageBox.Show("Registros " & oper & resultado, "", 0, MessageBoxIcon.Information) Catch exc As Exception MessageBox.Show(exc.Message) End Try Call HabilitarControles(False) Call HabilitarBotones(True) MODCONEXION.Conexion.Close() End Sub

Private Sub btnCancelar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCancelar.Click

MODCONEXION.Conexion.Open() objDataSet.RejectChanges() MODCONEXION.Conexion.Close() btnAnterior.PerformClick() Call HabilitarControles(False) Call HabilitarBotones(True) End Sub

Private Sub btnSalir_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSalir.Click MODCONEXION.Conexion.Close() Me.Close() End Sub

Private Sub HabilitarControles(ByVal est As Boolean)

Dim ctrl As Control For Each ctrl In Me.Controls If TypeOf ctrl Is TextBox Then ctrl.Enabled = est Next cboAlumno.Enabled = est cboEmpleado.Enabled = est End Sub

Private Sub HabilitarBotones(ByVal est As Boolean) Dim ctrl As Control For Each ctrl In Me.Controls If TypeOf ctrl Is Button Then ctrl.Enabled = est Next btnGuardar.Enabled = Not est btnCancelar.Enabled = Not est End Sub

Private Sub LimpiarControles() Dim ctrl As Control For Each ctrl In Me.Controls If TypeOf ctrl Is TextBox Then ctrl.Text = "" Next End Sub

Private Sub NumRegistro() Dim num, total As Integer num = Me.BindingContext(objDataSet, "Ficha_Pagos").Position + 1 total = Me.objDataSet.Tables("Ficha_Pagos").Rows.Count Me.lblRegistro.Text = "Reg: " & Str(num) & " de " & Str(total) End Sub

Private Sub Actualizar() objDataSet.Clear() daFicha_Pagos.Fill(objDataSet, "Ficha_Pagos") daAlumno.Fill(objDataSet, "Alumno") End Sub

Private Sub BotonB(ByVal VarX As Boolean) btnSiguiente.Enabled = VarX btnUltimo.Enabled = VarX

End Sub

Private Sub BotonA(ByVal VarX As Boolean) btnPrimero.Enabled = VarX btnAnterior.Enabled = VarX End Sub

Private Sub btnEliminar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEliminar.Click Dim sql3 As String sql3 = "delete from Ficha_Pagos where Num_Ficha=@Num_Ficha" Dim objComando As New SqlCommand(sql3, MODCONEXION.Conexion) Try objComando.Parameters.Add(New SqlParameter("@Num_Ficha", SqlDbType.VarChar)) objComando.Parameters("@Num_Ficha").Value = InputBox("Ingrese el código del Ficha_Pagos a eliminar: ") MODCONEXION.Conexion.Open() resultado = objComando.ExecuteNonQuery Call Actualizar() btnAnterior.PerformClick() ' Para que muestre el registro anterior luego de eliminar MessageBox.Show("Registros Eliminados: " & resultado, "", 0, MessageBoxIcon.Information) Catch exc As Exception MessageBox.Show(exc.Message) End Try MODCONEXION.Conexion.Close() Call HabilitarControles(False) Call HabilitarBotones(True) Call BotonA(True) Call BotonB(True) End Sub

Private Sub frmActFichaPagos_Closed(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Closed MODCONEXION.FRMAFP = False End SubEnd Class

FORMULARIO PARA BUSQUEDA DE ESTUDIANTES POR NOMBRE, APELLIDO O

CODIGO

Imports System.Data.SqlClientPublic Class frmConAlumnos Inherits System.Windows.Forms.Form Dim strcampo As String Dim objConnection As New SqlConnection() ' creando objeto Connection Dim objCommand As SqlCommand ' objeto Comando Dim objDataAdapter As SqlDataAdapter ' objeto Adaptador de datos Dim objDataSet As DataSet ' objeto Conjunto de datos Dim sqlstr, oper As String Dim Alumno As Boolean#Region " Código generado por el Diseñador de Windows Forms "

Public Sub New() MyBase.New()

'El Diseñador de Windows Forms requiere esta llamada. InitializeComponent()

'Agregar cualquier inicialización después de la llamada a InitializeComponent()

End Sub

'Form reemplaza a Dispose para limpiar la lista de componentes. Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing Then If Not (components Is Nothing) Then components.Dispose() End If End If MyBase.Dispose(disposing)

End Sub

'Requerido por el Diseñador de Windows Forms Private components As System.ComponentModel.IContainer

'NOTA: el Diseñador de Windows Forms requiere el siguiente procedimiento 'Puede modificarse utilizando el Diseñador de Windows Forms. 'No lo modifique con el editor de código. Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox Friend WithEvents rbtnApellidos As System.Windows.Forms.RadioButton Friend WithEvents rbtnCodigo As System.Windows.Forms.RadioButton Friend WithEvents txtBusqueda As System.Windows.Forms.TextBox Friend WithEvents DataGrid1 As System.Windows.Forms.DataGrid Friend WithEvents btnCancelar As System.Windows.Forms.Button Friend WithEvents btnAceptar As System.Windows.Forms.Button Friend WithEvents txtResumen As System.Windows.Forms.TextBox Friend WithEvents lblTitulo As System.Windows.Forms.Label Friend WithEvents rbtnTipo As System.Windows.Forms.RadioButton <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.GroupBox1 = New System.Windows.Forms.GroupBox() Me.rbtnTipo = New System.Windows.Forms.RadioButton() Me.rbtnApellidos = New System.Windows.Forms.RadioButton() Me.rbtnCodigo = New System.Windows.Forms.RadioButton() Me.txtBusqueda = New System.Windows.Forms.TextBox() Me.DataGrid1 = New System.Windows.Forms.DataGrid() Me.btnCancelar = New System.Windows.Forms.Button() Me.btnAceptar = New System.Windows.Forms.Button() Me.txtResumen = New System.Windows.Forms.TextBox() Me.lblTitulo = New System.Windows.Forms.Label() Me.GroupBox1.SuspendLayout() CType(Me.DataGrid1, System.ComponentModel.ISupportInitialize).BeginInit() Me.SuspendLayout() ' 'GroupBox1 ' Me.GroupBox1.BackColor = System.Drawing.Color.Yellow Me.GroupBox1.Controls.AddRange(New System.Windows.Forms.Control() {Me.rbtnTipo, Me.rbtnApellidos, Me.rbtnCodigo}) Me.GroupBox1.Font = New System.Drawing.Font("Comic Sans MS", 9.75!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.GroupBox1.ForeColor = System.Drawing.Color.Magenta Me.GroupBox1.Location = New System.Drawing.Point(16, 16) Me.GroupBox1.Name = "GroupBox1" Me.GroupBox1.Size = New System.Drawing.Size(216, 136) Me.GroupBox1.TabIndex = 18 Me.GroupBox1.TabStop = False Me.GroupBox1.Text = "Busqueda por:" ' 'rbtnTipo ' Me.rbtnTipo.Font = New System.Drawing.Font("TimelessTLig", 9.0!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))

Me.rbtnTipo.ForeColor = System.Drawing.Color.FromArgb(CType(128, Byte), CType(128, Byte), CType(255, Byte)) Me.rbtnTipo.Location = New System.Drawing.Point(16, 96) Me.rbtnTipo.Name = "rbtnTipo" Me.rbtnTipo.TabIndex = 7 Me.rbtnTipo.Text = "Tipo" ' 'rbtnApellidos ' Me.rbtnApellidos.Font = New System.Drawing.Font("TimelessTLig", 9.0!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.rbtnApellidos.ForeColor = System.Drawing.Color.FromArgb(CType(128, Byte), CType(128, Byte), CType(255, Byte)) Me.rbtnApellidos.Location = New System.Drawing.Point(12, 64) Me.rbtnApellidos.Name = "rbtnApellidos" Me.rbtnApellidos.Size = New System.Drawing.Size(88, 16) Me.rbtnApellidos.TabIndex = 6 Me.rbtnApellidos.Text = "Apellidos" ' 'rbtnCodigo ' Me.rbtnCodigo.Font = New System.Drawing.Font("TimelessTLig", 9.0!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.rbtnCodigo.ForeColor = System.Drawing.Color.FromArgb(CType(128, Byte), CType(128, Byte), CType(255, Byte)) Me.rbtnCodigo.Location = New System.Drawing.Point(12, 24) Me.rbtnCodigo.Name = "rbtnCodigo" Me.rbtnCodigo.TabIndex = 5 Me.rbtnCodigo.Text = "Codigo" ' 'txtBusqueda ' Me.txtBusqueda.Font = New System.Drawing.Font("Times New Roman", 11.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.txtBusqueda.ForeColor = System.Drawing.Color.FromArgb(CType(128, Byte), CType(128, Byte), CType(255, Byte)) Me.txtBusqueda.Location = New System.Drawing.Point(304, 64) Me.txtBusqueda.Name = "txtBusqueda" Me.txtBusqueda.Size = New System.Drawing.Size(200, 25) Me.txtBusqueda.TabIndex = 17 Me.txtBusqueda.Text = "" ' 'DataGrid1 ' Me.DataGrid1.BackgroundColor = System.Drawing.Color.FromArgb(CType(128, Byte), CType(128, Byte), CType(255, Byte)) Me.DataGrid1.CaptionBackColor = System.Drawing.Color.Yellow Me.DataGrid1.DataMember = "" Me.DataGrid1.ForeColor = System.Drawing.Color.Yellow Me.DataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText Me.DataGrid1.Location = New System.Drawing.Point(16, 168) Me.DataGrid1.Name = "DataGrid1" Me.DataGrid1.Size = New System.Drawing.Size(536, 160)

Me.DataGrid1.TabIndex = 16 ' 'btnCancelar ' Me.btnCancelar.BackColor = System.Drawing.Color.Yellow Me.btnCancelar.DialogResult = System.Windows.Forms.DialogResult.Cancel Me.btnCancelar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnCancelar.ForeColor = System.Drawing.Color.FromArgb(CType(128, Byte), CType(128, Byte), CType(255, Byte)) Me.btnCancelar.Location = New System.Drawing.Point(432, 112) Me.btnCancelar.Name = "btnCancelar" Me.btnCancelar.TabIndex = 15 Me.btnCancelar.Text = "&Cancelar" ' 'btnAceptar ' Me.btnAceptar.BackColor = System.Drawing.Color.Yellow Me.btnAceptar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnAceptar.ForeColor = System.Drawing.Color.FromArgb(CType(128, Byte), CType(128, Byte), CType(255, Byte)) Me.btnAceptar.Location = New System.Drawing.Point(312, 112) Me.btnAceptar.Name = "btnAceptar" Me.btnAceptar.Size = New System.Drawing.Size(80, 24) Me.btnAceptar.TabIndex = 14 Me.btnAceptar.Text = "&Aceptar" ' 'txtResumen ' Me.txtResumen.BackColor = System.Drawing.Color.Yellow Me.txtResumen.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.txtResumen.ForeColor = System.Drawing.Color.FromArgb(CType(128, Byte), CType(128, Byte), CType(255, Byte)) Me.txtResumen.Location = New System.Drawing.Point(16, 344) Me.txtResumen.Multiline = True Me.txtResumen.Name = "txtResumen" Me.txtResumen.ScrollBars = System.Windows.Forms.ScrollBars.Vertical Me.txtResumen.Size = New System.Drawing.Size(536, 64) Me.txtResumen.TabIndex = 13 Me.txtResumen.Text = "" ' 'lblTitulo ' Me.lblTitulo.BackColor = System.Drawing.Color.Transparent Me.lblTitulo.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.lblTitulo.ForeColor = System.Drawing.Color.Magenta Me.lblTitulo.Location = New System.Drawing.Point(312, 16) Me.lblTitulo.Name = "lblTitulo" Me.lblTitulo.Size = New System.Drawing.Size(176, 32) Me.lblTitulo.TabIndex = 12

' 'frmConAlumnos ' Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.BackColor = System.Drawing.Color.FromArgb(CType(128, Byte), CType(128, Byte), CType(255, Byte)) Me.ClientSize = New System.Drawing.Size(576, 422) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.GroupBox1, Me.txtBusqueda, Me.DataGrid1, Me.btnCancelar, Me.btnAceptar, Me.txtResumen, Me.lblTitulo}) Me.Name = "frmConAlumnos" Me.Text = "frmConAlumnos" Me.GroupBox1.ResumeLayout(False) CType(Me.DataGrid1, System.ComponentModel.ISupportInitialize).EndInit() Me.ResumeLayout(False)

End Sub

#End Region

Private Sub frmConAlumnos_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load End Sub

Private Sub rbtnCodigo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles rbtnCodigo.Click, rbtnApellidos.Click, rbtnTipo.Click Select Case sender.name Case "rbtnCodigo" strcampo = "Cod_Alumno" oper = " codigo " Case "rbtnApellidos" strcampo = "Ape_Alumno" oper = " Apellido de Alumno " Case "rbtnTipo" strcampo = "Tipo" oper = " Tipo de Alumno " End Select

Alumno = False Me.lblTitulo.Text = "INGRESE" & oper & " A BUSCAR:" Me.DataGrid1.DataSource = Nothing txtBusqueda.Clear() txtBusqueda.Focus() txtResumen.Clear() End Sub

Private Sub btnAceptar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAceptar.Click Dim strSQL, primero, ultimo As String Dim total As Integer strSQL = "SELECT * FROM Alumno WHERE " & Trim(strcampo) & " LIKE '" & _ Trim(Me.txtBusqueda.Text) & "%'" If txtBusqueda.Text = "" Then MsgBox("INGRESE EL " & oper & " DEL Alumno A BUSCAR")

txtBusqueda.Focus() Exit Sub End If

'Creando objeto DataAdapter objDataAdapter = New SqlDataAdapter(strSQL, MODCONEXION.Conexion) MODCONEXION.Conexion.Open() 'Creando objeto DataSet objDataSet = New DataSet() objDataAdapter.Fill(objDataSet, "Alumno") MODCONEXION.Conexion.Close() 'resumen de la busqueda total = Me.objDataSet.Tables("Alumno").Rows.Count If total > 0 Then Me.DataGrid1.DataSource = objDataSet Me.DataGrid1.DataMember = "Alumno" primero = Me.objDataSet.Tables("Alumno").Rows.Item(0)(1) ultimo = Me.objDataSet.Tables("Alumno").Rows.Item(total - 1)(1) txtResumen.Text = "Se encontraron " & Str(total) & " Alumno" & " desde " & primero & _ " hasta " & ultimo Else txtResumen.Text = "No se encontraron datos...." End If End Sub

Private Sub FrmConEmpleados_Closed(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Closed MODCONEXION.FRMCE = False End Sub

Private Sub btnCancelar_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCancelar.Click Me.Close() End Sub

Private Sub rbtnCodigo_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles rbtnCodigo.CheckedChanged

End SubEnd Class

FORMULARIO DE REPORTE DE ALUMNOS POR CAMBIO DE CENTRO, EXAMEN

ATRASADO Y CENTRO DE APOYO

Public Class frmReporte Inherits System.Windows.Forms.Form

#Region " Código generado por el Diseñador de Windows Forms "

Public Sub New() MyBase.New()

'El Diseñador de Windows Forms requiere esta llamada. InitializeComponent()

'Agregar cualquier inicialización después de la llamada a InitializeComponent()

End Sub

'Form reemplaza a Dispose para limpiar la lista de componentes. Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing Then If Not (components Is Nothing) Then components.Dispose() End If End If MyBase.Dispose(disposing) End Sub

'Requerido por el Diseñador de Windows Forms Private components As System.ComponentModel.IContainer

'NOTA: el Diseñador de Windows Forms requiere el siguiente procedimiento 'Puede modificarse utilizando el Diseñador de Windows Forms.

'No lo modifique con el editor de código. Friend WithEvents btnSalir As System.Windows.Forms.Button Friend WithEvents btnSelImpresora As System.Windows.Forms.Button Friend WithEvents btnEjecutar As System.Windows.Forms.Button Friend WithEvents btnSeleccionar As System.Windows.Forms.Button Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox Friend WithEvents Label1 As System.Windows.Forms.Label Friend WithEvents CrystalReportViewer1 As CrystalDecisions.Windows.Forms.CrystalReportViewer Friend WithEvents OpenFileDialog1 As System.Windows.Forms.OpenFileDialog Friend WithEvents PrintDocument1 As System.Drawing.Printing.PrintDocument Friend WithEvents rbtnAlumno As System.Windows.Forms.RadioButton Friend WithEvents rbtnCiclo As System.Windows.Forms.RadioButton Friend WithEvents rbtnCurso As System.Windows.Forms.RadioButton Friend WithEvents rbtnCargo As System.Windows.Forms.RadioButton Friend WithEvents rbtnEspecialidad As System.Windows.Forms.RadioButton Friend WithEvents rbtnFichaPagos As System.Windows.Forms.RadioButton Friend WithEvents rbtnProfesores As System.Windows.Forms.RadioButton Friend WithEvents rbtnPeriodoAcademico As System.Windows.Forms.RadioButton Friend WithEvents rbtnMatricula As System.Windows.Forms.RadioButton Friend WithEvents rbtnTeoria As System.Windows.Forms.RadioButton <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.btnSalir = New System.Windows.Forms.Button() Me.btnSelImpresora = New System.Windows.Forms.Button() Me.btnEjecutar = New System.Windows.Forms.Button() Me.btnSeleccionar = New System.Windows.Forms.Button() Me.GroupBox1 = New System.Windows.Forms.GroupBox() Me.rbtnTeoria = New System.Windows.Forms.RadioButton() Me.rbtnProfesores = New System.Windows.Forms.RadioButton() Me.rbtnPeriodoAcademico = New System.Windows.Forms.RadioButton() Me.rbtnMatricula = New System.Windows.Forms.RadioButton() Me.rbtnFichaPagos = New System.Windows.Forms.RadioButton() Me.rbtnEspecialidad = New System.Windows.Forms.RadioButton() Me.rbtnCiclo = New System.Windows.Forms.RadioButton() Me.rbtnCurso = New System.Windows.Forms.RadioButton() Me.rbtnCargo = New System.Windows.Forms.RadioButton() Me.rbtnAlumno = New System.Windows.Forms.RadioButton() Me.Label1 = New System.Windows.Forms.Label() Me.CrystalReportViewer1 = New CrystalDecisions.Windows.Forms.CrystalReportViewer() Me.OpenFileDialog1 = New System.Windows.Forms.OpenFileDialog() Me.PrintDocument1 = New System.Drawing.Printing.PrintDocument() Me.GroupBox1.SuspendLayout() Me.SuspendLayout() ' 'btnSalir ' Me.btnSalir.BackColor = System.Drawing.Color.Yellow Me.btnSalir.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnSalir.ForeColor = System.Drawing.Color.Purple Me.btnSalir.Location = New System.Drawing.Point(624, 352) Me.btnSalir.Name = "btnSalir" Me.btnSalir.Size = New System.Drawing.Size(80, 40) Me.btnSalir.TabIndex = 13

Me.btnSalir.Text = "Salir" ' 'btnSelImpresora ' Me.btnSelImpresora.BackColor = System.Drawing.Color.Yellow Me.btnSelImpresora.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnSelImpresora.ForeColor = System.Drawing.Color.Purple Me.btnSelImpresora.Location = New System.Drawing.Point(472, 352) Me.btnSelImpresora.Name = "btnSelImpresora" Me.btnSelImpresora.Size = New System.Drawing.Size(104, 40) Me.btnSelImpresora.TabIndex = 12 Me.btnSelImpresora.Text = "Seleccionar Tipo de Impresora" ' 'btnEjecutar ' Me.btnEjecutar.BackColor = System.Drawing.Color.Yellow Me.btnEjecutar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnEjecutar.ForeColor = System.Drawing.Color.Purple Me.btnEjecutar.Location = New System.Drawing.Point(320, 352) Me.btnEjecutar.Name = "btnEjecutar" Me.btnEjecutar.Size = New System.Drawing.Size(96, 40) Me.btnEjecutar.TabIndex = 11 Me.btnEjecutar.Text = "Ejecutar Reporte" ' 'btnSeleccionar ' Me.btnSeleccionar.BackColor = System.Drawing.Color.Yellow Me.btnSeleccionar.Font = New System.Drawing.Font("Microsoft Sans Serif", 8.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.btnSeleccionar.ForeColor = System.Drawing.Color.Purple Me.btnSeleccionar.Location = New System.Drawing.Point(168, 352) Me.btnSeleccionar.Name = "btnSeleccionar" Me.btnSeleccionar.Size = New System.Drawing.Size(96, 40) Me.btnSeleccionar.TabIndex = 10 Me.btnSeleccionar.Text = "Seleccionar Reporte" ' 'GroupBox1 ' Me.GroupBox1.Controls.AddRange(New System.Windows.Forms.Control() {Me.rbtnTeoria, Me.rbtnProfesores, Me.rbtnPeriodoAcademico, Me.rbtnMatricula, Me.rbtnFichaPagos, Me.rbtnEspecialidad, Me.rbtnCiclo, Me.rbtnCurso, Me.rbtnCargo, Me.rbtnAlumno}) Me.GroupBox1.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.GroupBox1.ForeColor = System.Drawing.Color.Magenta Me.GroupBox1.Location = New System.Drawing.Point(8, 40) Me.GroupBox1.Name = "GroupBox1" Me.GroupBox1.Size = New System.Drawing.Size(128, 360) Me.GroupBox1.TabIndex = 9 Me.GroupBox1.TabStop = False Me.GroupBox1.Text = "Reporte de:"

' 'rbtnTeoria ' Me.rbtnTeoria.Font = New System.Drawing.Font("Times New Roman", 9.0!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.rbtnTeoria.ForeColor = System.Drawing.Color.Aqua Me.rbtnTeoria.Location = New System.Drawing.Point(16, 328) Me.rbtnTeoria.Name = "rbtnTeoria" Me.rbtnTeoria.TabIndex = 18 Me.rbtnTeoria.Text = "Teoría" ' 'rbtnProfesores ' Me.rbtnProfesores.Font = New System.Drawing.Font("Times New Roman", 9.0!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.rbtnProfesores.ForeColor = System.Drawing.Color.Aqua Me.rbtnProfesores.Location = New System.Drawing.Point(16, 296) Me.rbtnProfesores.Name = "rbtnProfesores" Me.rbtnProfesores.TabIndex = 17 Me.rbtnProfesores.Text = "Ciclo" ' 'rbtnPeriodoAcademico ' Me.rbtnPeriodoAcademico.Font = New System.Drawing.Font("Times New Roman", 9.0!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.rbtnPeriodoAcademico.ForeColor = System.Drawing.Color.Aqua Me.rbtnPeriodoAcademico.Location = New System.Drawing.Point(16, 248) Me.rbtnPeriodoAcademico.Name = "rbtnPeriodoAcademico" Me.rbtnPeriodoAcademico.Size = New System.Drawing.Size(104, 40) Me.rbtnPeriodoAcademico.TabIndex = 16 Me.rbtnPeriodoAcademico.Text = "Ficha de Pagos" ' 'rbtnMatricula ' Me.rbtnMatricula.Font = New System.Drawing.Font("Times New Roman", 9.0!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.rbtnMatricula.ForeColor = System.Drawing.Color.Aqua Me.rbtnMatricula.Location = New System.Drawing.Point(16, 216) Me.rbtnMatricula.Name = "rbtnMatricula" Me.rbtnMatricula.Size = New System.Drawing.Size(104, 32) Me.rbtnMatricula.TabIndex = 15 Me.rbtnMatricula.Text = "Periodo Academico" ' 'rbtnFichaPagos ' Me.rbtnFichaPagos.Font = New System.Drawing.Font("Times New Roman", 9.0!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.rbtnFichaPagos.ForeColor = System.Drawing.Color.Aqua Me.rbtnFichaPagos.Location = New System.Drawing.Point(16, 184) Me.rbtnFichaPagos.Name = "rbtnFichaPagos" Me.rbtnFichaPagos.TabIndex = 9 Me.rbtnFichaPagos.Text = "Profesor"

' 'rbtnEspecialidad ' Me.rbtnEspecialidad.Font = New System.Drawing.Font("Times New Roman", 9.0!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.rbtnEspecialidad.ForeColor = System.Drawing.Color.Aqua Me.rbtnEspecialidad.Location = New System.Drawing.Point(16, 152) Me.rbtnEspecialidad.Name = "rbtnEspecialidad" Me.rbtnEspecialidad.TabIndex = 7 Me.rbtnEspecialidad.Text = "Mátricula" ' 'rbtnCiclo ' Me.rbtnCiclo.Font = New System.Drawing.Font("Times New Roman", 9.0!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.rbtnCiclo.ForeColor = System.Drawing.Color.Aqua Me.rbtnCiclo.Location = New System.Drawing.Point(16, 88) Me.rbtnCiclo.Name = "rbtnCiclo" Me.rbtnCiclo.TabIndex = 5 Me.rbtnCiclo.Text = "Especialidad" ' 'rbtnCurso ' Me.rbtnCurso.Font = New System.Drawing.Font("Times New Roman", 9.0!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.rbtnCurso.ForeColor = System.Drawing.Color.Aqua Me.rbtnCurso.Location = New System.Drawing.Point(16, 120) Me.rbtnCurso.Name = "rbtnCurso" Me.rbtnCurso.TabIndex = 4 Me.rbtnCurso.Text = "Empleado" ' 'rbtnCargo ' Me.rbtnCargo.Font = New System.Drawing.Font("Times New Roman", 9.0!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.rbtnCargo.ForeColor = System.Drawing.Color.Aqua Me.rbtnCargo.Location = New System.Drawing.Point(16, 56) Me.rbtnCargo.Name = "rbtnCargo" Me.rbtnCargo.TabIndex = 3 Me.rbtnCargo.Text = "Curso" ' 'rbtnAlumno ' Me.rbtnAlumno.Font = New System.Drawing.Font("Times New Roman", 9.0!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.rbtnAlumno.ForeColor = System.Drawing.Color.Aqua Me.rbtnAlumno.Location = New System.Drawing.Point(16, 24) Me.rbtnAlumno.Name = "rbtnAlumno" Me.rbtnAlumno.TabIndex = 0 Me.rbtnAlumno.Text = "Alumnos" ' 'Label1

' Me.Label1.Font = New System.Drawing.Font("Times New Roman", 21.75!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Label1.ForeColor = System.Drawing.Color.Yellow Me.Label1.Location = New System.Drawing.Point(232, 8) Me.Label1.Name = "Label1" Me.Label1.Size = New System.Drawing.Size(328, 32) Me.Label1.TabIndex = 8 Me.Label1.Text = "REPORTE DE DATOS" ' 'CrystalReportViewer1 ' Me.CrystalReportViewer1.ActiveViewIndex = -1 Me.CrystalReportViewer1.BackColor = System.Drawing.Color.Yellow Me.CrystalReportViewer1.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.CrystalReportViewer1.ForeColor = System.Drawing.Color.Navy Me.CrystalReportViewer1.Location = New System.Drawing.Point(160, 48) Me.CrystalReportViewer1.Name = "CrystalReportViewer1" Me.CrystalReportViewer1.ReportSource = Nothing Me.CrystalReportViewer1.Size = New System.Drawing.Size(560, 272) Me.CrystalReportViewer1.TabIndex = 7 ' 'frmReporte ' Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.BackColor = System.Drawing.Color.Purple Me.ClientSize = New System.Drawing.Size(784, 414) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.btnSalir, Me.btnSelImpresora, Me.btnEjecutar, Me.btnSeleccionar, Me.GroupBox1, Me.Label1, Me.CrystalReportViewer1}) Me.Name = "frmReporte" Me.Text = "frmReporte" Me.GroupBox1.ResumeLayout(False) Me.ResumeLayout(False)

End Sub

#End Region

Private Sub btnSalir_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSalir.Click MsgBox("A ACCEDIDO A LOS REPORTES DE LA BASE DE DATOS") Me.Close() End Sub Private Sub btnSelImpresora_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSelImpresora.Click Dim PrintDialog1 As New PrintDialog() PrintDialog1.Document = PrintDocument1

Dim result As DialogResult = PrintDialog1.ShowDialog() If (result = DialogResult.OK) Then PrintDocument1.Print() End If End Sub

Private Sub btnSeleccionar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSeleccionar.Click OpenFileDialog1.Filter = "Crystal Report |*.rpt" If OpenFileDialog1.ShowDialog() = DialogResult.OK Then CrystalReportViewer1.ReportSource = OpenFileDialog1.FileName End If End Sub

Private Sub btnEjecutar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEjecutar.Click Dim s = "D:\Proyecto_Taller_II\Prototipo_Visual\" If Me.rbtnAlumno.Checked = True Then CrystalReportViewer1.ReportSource = s & "crystalReport1.rpt" End If

If Me.rbtnPeriodoAcademico.Checked = True Then CrystalReportViewer1.ReportSource = s & "CrystalReport8.rpt" End If

If Me.rbtnFichaPagos.Checked = True Then CrystalReportViewer1.ReportSource = s & "CrystalReport11.rpt" End If

End Sub

Private Sub frmReporte_Closed(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Closed MODCONEXION.FRMR = False End Sub

Private Sub frmReporte_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

End Sub

Private Sub rbtnAlumno_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles rbtnAlumno.CheckedChanged

End Sub

Private Sub CrystalReportViewer1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CrystalReportViewer1.Load

End Sub

End Class

CODIGO SQL GENERADO EN LA CREACION DE LAS TABLAS

CREATE TABLE Estudiante ( Cod_Estudiante char(18) NOT NULL, Ape_Estudiante varchar(80) NULL, Nom_Estudiante varchar(80) NULL, Direccion varchar(80) NULL, Fecha_Ingreso datetime NULL, Tipo_Estudiante char(18) NULL)go

ALTER TABLE Estudiante ADD PRIMARY KEY (Cod_Estudiante)go

CREATE TABLE Ficha_Pagos ( Num_Ficha char(18) NOT NULL, P_Cuota money NULL, S_Cuota money NULL, Becado bit NULL, Razon text NULL, Cod_Alumno char(18) NULL, FOREIGN KEY (Cod_Alumno) REFERENCES Alumno ON DELETE NO ACTION ON UPDATE NO ACTION, FOREIGN KEY (Cod_Empleado) REFERENCES Empleado ON DELETE NO ACTION ON UPDATE NO ACTION)go

ALTER TABLE Ficha_Pagos ADD PRIMARY KEY (Num_Ficha)go

CREATE TABLE Semestre ( Periodo char(18) NOT NULL, Fecha_Inicio datetime NULL, Fecha_Termino datetime NULL)go

ALTER TABLE Semestre ADD PRIMARY KEY (Periodo)go

CREATE TABLE Materia ( Cod_Curso char(18) NOT NULL, Cod_Especialidad char(18) NOT NULL, Nom_Materia varchar(80) NULL, ID_Teoria char(18) NULL, FOREIGN KEY (Cod_Especialidad) REFERENCES Especialidad ON DELETE NO ACTION ON UPDATE NO ACTION, FOREIGN KEY (ID_Teoria) REFERENCES Teoria ON DELETE NO ACTION ON UPDATE NO ACTION)go

ALTER TABLE Materia ADD PRIMARY KEY (Cod_Curso)go

CREATE TABLE Ciclo ( Numero_Ciclo char(18) NOT NULL, Turno varchar(80) NULL, Cod_Curso char(18) NULL, Periodo char(18) NULL, FOREIGN KEY (Periodo) REFERENCES Periodo_Academico ON DELETE NO ACTION ON UPDATE NO ACTION, FOREIGN KEY (Cod_Curso) REFERENCES Curso ON DELETE NO ACTION ON UPDATE NO ACTION)go

ALTER TABLE Ciclo ADD PRIMARY KEY (Numero_Ciclo)go

CREATE TABLE Examen ( Num_Examen char(18) NOT NULL, Cod_Empleado char(18) NULL, Cod_Alumno char(18) NULL, Periodo char(18) NULL, Numero_Ciclo char(18) NULL, FOREIGN KEY (Numero_Ciclo) REFERENCES Ciclo ON DELETE NO ACTION ON UPDATE NO ACTION, FOREIGN KEY (Periodo) REFERENCES Periodo_Academico

ON DELETE NO ACTION ON UPDATE NO ACTION, FOREIGN KEY (Cod_Alumno) REFERENCES Alumno ON DELETE NO ACTION ON UPDATE NO ACTION, )go

ALTER TABLE Examen ADD PRIMARY KEY (Num_Matricula)go