Select case
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The Select...Case statement in Visual Basic provides an alternative to nested If/Then/ElseIf statements. It allows a single test expression to be evaluated and, if a match is found, the associated block of code is executed. If no matches are found, the optional Case Else statement will execute. The syntax includes the Select Case statement followed by the test expression, multiple Case statements listing possible expression matches and the associated code blocks, and an optional Case Else statement. An example demonstrates using a Select Case statement to evaluate a test score stored in a variable and output the corresponding grade in a message box.
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Select case
- 1. VISUAL BASIC
- 2. SELECT…CASE: Select case is also called as switch case . Select…case structure is a alternative of a If..Then..ElseIf statement. A select..case statement work with single test expression. If there is match then it execute a block of statement else if no matches found then statement associated with optional case else statement are execute.
- 3. SYNTAX: Select case<Test Expression> case<expression list1> statement case<expression list2> statement case<expression list3> statement case else statement End select
- 4. EXAMPLE: Private Sub Command1_Click() b = Val(Text1.Text) Select Case b Case 75 To 100 MsgBox ("distinction") Case 60 To 74 MsgBox ("Firstclass") Case 55 To 59 MsgBox ("highersecond class") Case 40 To 54 MsgBox ("pass") Case 0 To 39 MsgBox ("fail") Case Else MsgBox "Invalid average marks" End Select End Sub
- 5. Thank You!!!