by Dinesh Thakur

 

 

Do/Loop

 

For-Next Loop

Do-Loop construct is used when we don?t know how many iterations will be performed.

When we know the exact number of execution on the block of code, For-Next construct is used.

Do-while tests the loop condition each time through the loop & it keeps executing while the test expression is a true value

To use this construct we have to use a counter. We will always loop from star value to some end value.

In this we will have to specify the increment number.

In For-Next loop always increment by one by default

General Syntax is :

Do while <condition>

<statements>

Loop

General Syntax is :

For intCounter = intStart to intend

[step to increment]

<statements>

Next [intCounter]

Ex. Dim intNum as integer

Do While intNum < 100

lblNumber.Caption=intNum

intNum = intNum + 1

Ex.

For intCount = 1 to 5

Form1. Print intCount

Next

 





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