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home / developersection / forums / how to create do loop in vb.net
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Anonymous User
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I am a content writter !

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2 Answers

Aryan Kumar
Aryan Kumar 06 Jul 2023
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Sure, I can help you with that. Here are the steps on how to create a do loop in VB.NET:

  1. Declare a variable to control the loop.
  2. Write the code that you want to repeat inside the loop.
  3. Use the Do While or Do Until statement to control the loop.
  4. Use the Exit Do statement to exit the loop early.

Here is an example of how to create a do loop in VB.NET:

VB.Net

Sub Main()
    ' Declare the loop control variable.
    Dim counter As Integer = 1

    ' Do the loop while the counter is less than 10.
    Do While counter < 10
        ' Print the current value of the counter.
        Console.WriteLine(counter)

        ' Increment the counter.
        counter = counter + 1
    Loop
End Sub

This code will print the numbers from 1 to 9 on the console.

The Do While and Do Until statements are similar, but they differ in the condition that is evaluated before the loop body is executed. The Do While statement will execute the loop body as long as the condition is True, while the Do Until statement will execute the loop body as long as the condition is False.

The Exit Do statement can be used to exit the loop early. The Exit Do statement will cause the loop to terminate immediately, regardless of the value of the loop control variable.

Here are some of the advantages of using do loop in VB.NET:

  • It is flexible and can be used to repeat a block of code an indefinite number of times.
  • It is easy to understand and use.

Here are some of the disadvantages of using do loop in VB.NET:

  • It is not as efficient as some other looping constructs, such as For Next.

Overall, do loop is a versatile and easy-to-use looping construct in VB.NET. It is a good choice for repeating a block of code an indefinite number of times.

Anonymous User
Anonymous User 22 Dec 2015
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It repeats the enclosed block of statements while a Boolean condition is True or until the condition becomes True. It could be terminated at any time with the Exit Do statement.

Module Module1
    Sub Main()
        Dim a As Integer = 20
        Do
            Console.WriteLine("value of a: {0}", a)
            a = a + 2
        Loop While (a < 50)
        Console.ReadLine()
    End Sub
End Module

Anonymous User

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