Types of applications that can be developed using VB.Net:
- Console applications
- Windows forms applications
- Class library
- Windows control library
- Windows services
- Net website
- Net web services
- WCF services
- Silver light applications
- Work flow applications
Console applications:
Whenever an application accepts the input from console and projects the output on the console then such type of applications are called as console applications.
Where console is a device which has a capability to accept the information and also to display the data
Structure of VB.Net console application:
1st method [default]:
Comments . . . . .
Imports statements . . . .
Module Module name
Sub main ( )
Statement(s) to execute . . . .
End sub
End module
2nd method:
Comments
Imports statements . . . .
Class Class name
[Public] shared sub main ( )
Statement(s)
. . . . .
End sub
End class
Note: VB.Net is not the case-sensitive language but it is line sensitive language.
System:
It is the root name space for any .Net application
Where a namespace can be considered as a collection of classes in a hierarchy such that the class definitions can be accessed easily
Console:
It is a class which provides members to project the data and to accept the data.
Write:
It is a method to project data on console.
Write Line:
It is a method used to project data by appending a new line character at the end of information.
Read:
It is used to accept single character.
Read Line:
It is used to read a single line of information i.e. accepts the characters till the users press the enter key.
Developing a console application using VS.Net (visual studio .Net):
Prg:
My first VB .Net program
Imports system
Module first program
Sub main ( )
Console.WriteLine (“Welcome to VB.Net”)
End sub
End module
To execute console application
After selection press ctrl + F5
To add a new program to the console application [already existing]
Imports system
Class VB Intro
Public shared sub main ( )
Console.WriteLine (“VB.Net is very easy to learn yet a powerful language”)
End sub
End class
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