totn Access Functions

MS Access: IsNumeric Function

This MSAccess tutorial explains how to use the Access IsNumeric function with syntax and examples.

Description

The Microsoft Access IsNumeric function returns TRUE if the expression is a valid number. Otherwise, it returns FALSE.

Syntax

The syntax for the IsNumeric function in MS Access is:

IsNumeric ( expression )

Parameters or Arguments

expression
It is a variant.

Returns

The IsNumeric function returns TRUE if the value is a valid number.
The IsNumeric function returns FALSE if the value is not a valid number.

Applies To

The IsNumeric 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 IsNumeric function in MS Access:

IsNumeric (786)
Result: TRUE

IsNumeric ("Tech on the Net")
Result: FALSE

IsNumeric ("234")
Result: TRUE

Example in VBA Code

The IsNumeric function can be used in VBA code in Microsoft Access.

For example:

Dim LValue As Boolean

LValue = IsNumeric("Tech on the Net")

In this example, the variable called LValue would contain FALSE as a value.

Example in SQL/Queries

You can also use the IsNumeric function in a query in Microsoft Access.

For example:

Microsoft Access

In this query, we have used the IsNumeric function as follows:

Expr1: IsNumeric([CategoryID])

This query will evaluate whether the CategoryID field contains a numeric value and display the results in a column called Expr1. You can replace Expr1 with a column name that is more meaningful.

For example:

NumericCategory: IsNumeric([CategoryID])

The results would now be displayed in a column called NumericCategory.

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