MS Access: Switch Function
This MSAccess tutorial explains how to use the Access Switch function with syntax and examples.
Description
The Microsoft Access Switch function evaluates a list of expressions and returns the corresponding value for the first expression in the list that is TRUE.
Syntax
The syntax for the Switch function in MS Access is:
Switch ( expression1, value1, expression2, value2, ... expression_n, value_n )
Parameters or Arguments
- expression1, expression2, ... expression_n
- List of expressions that are evaluated. The Switch function is looking for the first expression that evaluates to TRUE.
- value1, value2, ... value_n
- List of values. The Switch function will return the value associated with the first expression that evaluates to TRUE.
Returns
The Switch function returns any datatype such as a string, numeric, date, etc.
Applies To
The Switch 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
Let's look at how to use the Switch function in MS Access:
Switch (SupplierID=1, "IBM", SupplierID=2, "HP", SupplierID=3, "Nvidia")
In this example, if the SupplierID field is 1, then the Switch function will return "IBM".
If the SupplierID field is 2, then the Switch function will return "HP".
If the SupplierID field is 3, then the Switch function will return "Nvidia".
Example in VBA Code
The Switch function can be used in VBA code in Microsoft Access.
For example:
Dim LValue As String LValue = Switch (SupplierID=1, "IBM", SupplierID=2, "HP", SupplierID=3, "Nvidia")
Example in SQL/Queries
You can also use the Switch function in a query in Microsoft Access.
For example:
In this query, we have used the Switch function as follows:
Expr1: Switch([SupplierID]=1,"IBM",[SupplierID]=2,"HP",[SupplierID]=3,"NVidia")
This query will return the following:
- If the SupplierID field is 1, then the Switch function will return "IBM".
- If the SupplierID field is 2, then the Switch function will return "HP".
- If the SupplierID field is 3, then the Switch function will return "Nvidia".
The result will be displayed in a column called Expr1. You can replace Expr1 with a column name that is more meaningful.
For example:
SupplierName: Switch([SupplierID]=1,"IBM",[SupplierID]=2,"HP",[SupplierID]=3,"NVidia")
The results would now be displayed in a column called SupplierName.
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