Review ASP Server controls: Labels, Buttons, Textboxes HTML tables Images and Hyperlinks Validator...

Review

• ASP Server controls: Labels, Buttons, Textboxes

• HTML tables• Images and

Hyperlinks• Validator controls• DropDownList

• ViewState variables• Session variables• Session.Abandon()• page.IsPostBack

Preview

• CheckBox• RadioButton• ListBox• RadioButtonList• AccessDataSource• control.DataBind()• ds.Select()• DataView object

• dv.RowFilter• dv(i)• DataRowView object• drv(“name”)

control.Font properties

• Size

• Italic

• Bold

• Name

control.Font.Size

property with FontUnit value that defines the size of the control’s

Font

FontUnit(size)

constructor used to define size of font, where size is an Integer

control.Font.Italic

Boolean property indicating whether the control’s Font is Italic

control.Font.Bold

Boolean property indicating whether the control’s Font is Bold

control.Font.Name

String property specifying the name of the control’s Font family

control.AutoPostBack

Boolean property indicating whether the control will cause a

post back.

rbl.SelectedItem

property of type ListItem referring to the RadioButtonList item

selected by the user.

listitem.Textlistitem.Value

properties of the ListItem object

ListItem(“item”,value)

Constructs a ListItem object with the specified text and value

control.Items.Add(listitem)

Add method of the Items collection of the RadioButtonList adds the specified ListItem object

control.DataBind()

Copies values from data source to server control.

ds.Select()

Method of the AccessDataSource control that returns a DataView

object.

DataView

Represents a view of a data table in a data source. Also a collection

of DataRowView objects.

dv.RowFilter

Property of the DataView object (dv) used to filter rows. Similar to condition of the WHERE clause a

SQL Select statement.

DataRowView

An object type that represents a single row of data in a DataView

dv(i)

Refers to an individual element (a row) of the DataView object dv

drv(“name”)

Refers to an the value of a column in the DataRowView object, drv.

Data TableDataView, dv

DataRowView, drv

drv(“name”)

dv(0)

If Not IsPostBack Then

DataBind()

End If

Dim dv As DataView = CType(ds.Select(DataSourceSelectArguments.Empty), DataView)

dv.RowFilter = “ID = '" & ddlControl.SelectedValue & "'"

Dim drv As DataRowView = dv(0)

lblField1.Text = drv(“colname1”)

lblField2.Text = drv(“colname2”)

lblField3.Text = drv(“colname3”)