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MS Access: Case Statement

This MSAccess tutorial explains how to use the Access Case statement with syntax and examples.

Description

The Microsoft Access Case statement can only be used in VBA code. It has the functionality of an IF-THEN-ELSE statement.

Syntax

The syntax for the Case statement in MS Access is:

Select Case test_expression

   Case condition_1
      result_1
   Case condition_2
      result_2
   ...
   Case condition_n
      result_n

 [ Case Else
      result_else ]

End Select

Parameters or Arguments

test_expression

String or numeric value. It is the value that you are comparing to the list of conditions. (ie: condition_1, condition_2, ... condition_n)

condition_1, condition2, ... condition_n

Evaluated in the order listed. Once a condition is found to be true, the Case statement will execute the corresponding code and not evaluate the conditions any further.

result_1, result_2, ... result_n

Code that is executed once a condition is found to be true.

Returns

The Case statement executes the corresponding code for the first condition that is found to be TRUE.
If no condition is met, then the Else clause in the Case statement will be executed. The Else clause is optional.
If the Else clause is omitted and no condition is found to be true, then the Case statement will do nothing.

Applies To

The Case function can be used in the following versions of Microsoft Access:

• Access 2019, Access 2016, Access 2013, Access 2010, Access 2007, Access 2003, Access XP, Access 2000

Example in VBA Code

The Case statement can only be used in VBA code in Microsoft Access.

Let's look at a simple example:

Select Case [Region]
   Case "N"
      [RegionName] = "North"
   Case "S"
      [RegionName] = "South"
   Case "E"
      [RegionName] = "East"
   Case "W"
      [RegionName] = "West"
End Select

You can also use the To keyword to specify a range of values.

For example:

Select Case LNumber
   Case 1 To 10
      [RegionName] = "North"
   Case 11 To 20
      [RegionName] = "South"
   Case 21 To 30
      [RegionName] = "East"
   Case Else
      [RegionName] = "West"
End Select

You can also comma delimit values.

For example:

Select Case LNumber
   Case 1, 2
      [RegionName] = "North"
   Case 3, 4, 5
      [RegionName] = "South"
   Case 6
      [RegionName] = "East"
   Case 7, 11
      [RegionName] = "West"
End Select

And finally, you can also use the Is keyword to compare values.

For example:

Select Case LNumber
   Case Is < 100
      [RegionName] = "North"
   Case Is < 200
      [RegionName] = "South"
   Case Is < 300
      [RegionName] = "East"
   Case Else
      [RegionName] = "West"
End Select