The structure of a While.End While is very similar to the Do Loop. Will list the number n and the values of the arithmetic summation. Will display the headings in the ListBox, where it uses the vbTab function to create a space between the heading n and sum. In the design stage, you need to insert a ListBox into the form for displaying the output.The program uses the Add method to populate the ListBox.

In the above example, we find the arithmetic summation of 1+2+3+4+.+100. Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Clickĭim sum, n As ('n' & vbTab & 'Sum') The keyword to use is known as Exit Do.Let's examine the following examples Example 11.2(a) Do while counter 1000. Sometimes we need to exit a loop prematurely because a condition is fulfilled. The process will stop when n is greater than 6. *Notice that increment can be negative.The program will compute the *The program will calculate the sum of the numbers as follows:sum=0+10+20+30+40+. Example 11.1b Dim counter, sum As Integer * The program will enter number 1 to 10 into the list box. For its application, you can refer to example 11.1 d. To exit a For.Next Loop, you can place the Exit For statement within the loop and it is typically used together with the If.Then.statement. The syntax for looping using the For.Next loop is: In Visual Basic 2010, we have three types of Loops, they are the For.Next loop, the Do loop. For example, we can write VB code that adds a series of numbers until the sum exceeds a certain value or a VB program that asks the user to enter data repeatedly until he or she enters the word 'Finish'. In Visual Basic 2010 programming, a sequence of instructions that is repeated until a certain condition is met is called looping.

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