Whenever you face a situation in programming to repeat a task for several times (more than one times ) or you have to repeat a task till you reach a condition, in these situations you can use loop statements to achieve your desired results.

FOR NEXT Loop, FOR EACH Loop , WHILE Loop and DO WHILE Loop are the Commonly used loops in Visual Basic.NET 2005 ( VB.NET 2005) .

While ..End While

While .. End While Loop execute the code body (the source code within While and End while statements ) until it meets the specified condition.

  
While [condition]
   [loop body]
End While

Condition : The condition set by the user

  
1. counter = 1
2. While (counter <= 10)
3.    Message
4.    counter = counter + 1
5. End While

Line 1: Counter start from 1

Line 2: While loop checking the counter if it is less than or equal to 10

Line 3: Each time the Loop execute the message and show

Line 4: Counter increment the value of 1 each time the loop execute

Line 5: End of the While End While Loop body

Public Class Form1
    Private Sub Button1_Click(ByVal sender As System.Object, 
	ByVal e As System.EventArgs) Handles Button1.Click
        Dim counter As Integer
        counter = 1
        While (counter <= 10)
            MsgBox("Counter Now is : "  counter)
            counter = counter + 1
        End While
    End Sub
End Class