Types of applications that can be developed using VB.Net

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.

 

Screenshot_19

 

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):

 

Screenshot_20

 

Prg:

My first VB .Net program

Imports system

Module first program

Sub main ( )

Console.WriteLine (“Welcome to VB.Net”)

End sub

End module

Untitled To execute console application

Screenshot_21

 

After selection press ctrl + F5

Untitled To add a new program to the console application [already existing]

Screenshot_22

 

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