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The grades can be computed as follow: Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Grades in high school are usually presented with a single capital letter such as A, B, C, D or E. Label1.Text= "Wrong entry, please reenter the mark"
#Visual basic case statements code#
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.ClickĮxample 10.2 can be rewritten as follows: Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click The select case visual basic command takes the place of multiple nested if statements and makes your VB code clean and much easier to follow by neatly. In this example, you can use the keyword Is together with the comparison operators. The usage of Select Case is shown in the following examples Example 10.1 ' Examination Grades The switch statement allows you to choose from many statements based on multiple selections by passing control to one of the case statements within its. You can use this for many different things, hope you enjoy.
#Visual basic case statements how to#
The syntax of the Select Case control structure is as follows: Select Case test expression The Select Case structure evaluates a single expression at the top of the structure. In this tutorial I will show you how to use case statements and select case. C switch case statement example: Here, we are going to design a simple calculator using switch case statement in C. 10.1 The Select Case…End Select Structure Select Case is preferred when there exist multiple conditions. On the other hand, the If …Then…Else statement control structure may evaluate only one expression, or it may also compute entirely different dimensions. The difference is that the Select Case control structure typically only make a decision on one expression. Select Case control structure is slightly different from the If….Else…Then control structure. H Visual Basic is not, anything like any other programming language you have ever used. In this lesson, you will learn another way to control the program flow in Visual Basic 2010, that is, the Select Case control structure. VB Statements H Assignments are the Same as in C H Case is not significant Case will be adjusted for you on keywords For Variable Names, Case is ignored H The Usual Operators can be used. Or CASE within CASE as CASE WHEN Col1 < 2 THEN CASE Col2 WHEN X THEN 10 ELSE 11 END WHEN Col1 2 THEN 2. CASE Col1 WHEN 1 THEN 11 WHEN 2 THEN 21 ELSE 13 END. In the previous lesson, we have learned the If…Then…Else control structure. CASE WHEN Col1 1 OR Col3 1 THEN 1 WHEN Col1 2 THEN 2.