MELJUN CORTES Vb.net the vb .net ide

Visual Basic .NET Programming

The Visual Studio .Net IDE

� Differences between VB.Net and VB6 IDE

� Creating Visual Basic .NET Projects

� Setting Project References

The Visual Studio .Net IDE * Property of STIPage 1 of 30

� Using Development Environment Features

� Debugging Applications


� There is one IDE for all .NET projects

� Solutions can contain multiple

programming language

� The IDE is customizable through “My

Profile”

Differences between VB.Net and VB6 IDE


Profile”

� The IDE has a built-in Internet browser


� Start Window

The IDEStart Window



Choosing a Project Template

� Visual Studio Templates



Choosing a Project Template

Template Use this template to create:

Windows

Applications

Standard Windows-based

applications

Class Library

Class libraries that provide similar

functionality to Microsoft Active X

DLL


DLL

Windows

Control

Library

User-defined Windows control

projects

Web Control

Library

User-defined Web controls that

can be reused on Web page

Console

Application

Console application that will run

from a command line

Windows

Service

Windows services that will run

continuously regardless of whether

a user is logged on or not


Analyzing Project Structures

� What follows are the files contained in

every VB .Net project:

� Solution files (.sｌn, 。suo)

� Project files (.vbproj)


� Local project items (.vb)

� Web project items (.aspx, .asmx, .asax)


Creating VB .NET Projects

� Assemblies

� one or more files that make up a Visual

Studio Application

� key concept in .NET development


� serve as building block for all .NET

applications.

� Namespaces

� used in .NET Framework assemblies

� organize classes, interface and modules

into a structure that is easy to understand


Creating Windows Application Project

� File > New Project

� select the Windows Application template

� type a name for the project then click OK



Setting Project References

� Adding References

� select the current project in Solution

Explorer then Project > Add Reference


� click .NET, COM, or Projects tab

� locate the required component in the list

• you may click the Browse tab to locate the

file

� repeat step 3 for all the components you

require, and then OK


Setting Project Properties

� Application Property Settings:

� Assembly name

� Root namespace

� Application type

� Startup object

� Assembly Information



Setting Project Properties

� Compile Property Settings:

� Build output path

� Option explicit

� Option Strict



� Solution Explorer

� Object Browser

� Server Explorer

IDE Features


� Task List

� Dynamic Help


IDE Features

� Form Window

� where the controls that make up the user

interface are placed



IDE Features

� Code Window

� where the codes for forms, events and

methods are written, displayed and

modified



IDE Features

� Toolbox

� contains the objects and controls that can

be added to Windows Forms



IDE Features

� Component Tray

� where non-visual components that do not

appear at run time are stored



IDE Features

� Properties Window

� where properties of an object selected at

design time are modified



IDE Features

� Auto Hide

� “hides” windows from the main IDE

� click the Auto Hide button on the

toolbar to toggle Auto Hide on and off


� Tabbed Documents

� this mode adds a tab to the top of the

main window for each open document or

file

� click on the tab that represents the

document to switch between open

documents


IDE Features

� Multiple Documents

� MDI – Multiple Document Interface

� display multiple documents simultaneously

� to work in an MDI environment

• Tools > Options


• click Multiple documents on the Window

layout section

• click OK

� Dockable windows

� all windows within the IDE can be docked

to any edge of the IDE by dragging them to

any location


� displays project hierarchy, project

references, project items and any

subfolders that contain project items

Solution Explorer



� “Show all Files” mode

� click the Show all Files button to

display the hidden files or those marked as

excluded from the project

� Manipulating Projects

Solution Explorer


� Manipulating Projects

� Drag-and-drop editing

� Context menus


Server Explorer

� Managing Data Connections

� View > Server Explorer


� Adding a connection

� click Connect to Database on the

Server Explorer toolbar


Server Explorer

� select Data Source from the Data Source

box then click the Continue button


� click Browse button to select a database

file and enter the corresponding User

name and Password of the database

� click Test Connection to check if the

connection was successfully done


� View > Object Browser

Object Browser



� Using the VB .NET Object Browser, you

can:

� examine objects and their members within

a library

� access lower-level items

ObjectBrowser


� examine how the .NET Framework class

libraries use inheritance in their object

hierarchies


� tasks are kept in the .suo project file so

that information are not lost when the

Visual Studio .NET is closed

� View > Other Windows > Task List

Task ListWindow


� Adding Task List

� type in the top row that is always visible to

the Task List window

� build your application to automatically add

tasks to the list

� create comments in the code that use

specific token strings defined in the Options

dialog box


� displays appropriate Help links to the .NET

Help files

� changes topic depending on the location

of the cursor

� Help > Dynamic Help

Dynamic Help


CheckBox

selected

from the

Toolbox

Button

selected

from the

Toolbox


Designing VB .NET Application

� Steps in creating a program in VB .Net.

� Create the interface

� Set properties

� Write the code


� Write the code


Debugging Applications

� Setting Breakpoints

� Ways

• click the margin to the left of the code window

on the line containing the statement where

debugger will halt

• DebugDebugDebugDebug > New BreakpointNew BreakpointNew BreakpointNew Breakpoint

• place the cursor on the line where you want

the debugger to halt. Press <F9> to switch the


the debugger to halt. Press <F9> to switch the

breakpoint on and off.

� Debugging Code

� Step Into

� Step Over

� Step Out


Debugging Applications

� Sample Demonstration:

� create a new project

� double-click the form to go to Code

window

� type following code on the Private Sub

Form1_Load event handler:

Dim X As Integer

Dim Y As Integer


X = 10

Y = X – 5

MessageBox.Show(Y)

� place the pointer on the line Y = X – 5

then press <F9>

� press <F5>

� place the pointer on the Y variable

� press <F11> to Step into the code

� close the program

Technology

MELJUN CORTES Vb.net the vb .net ide