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MS Access

IsNumeric

Using the ISNUMERIC Function

In this tutorial you will learn how to use the IsNumeric Function.

The IsNumeric function returns a Boolean value indicating whether an expression can be evaluated as a number.

=IsNumeric( expression )

expression a valid number or number representation

In this example we will use the number 1.

IsNumeric - Function Engine

The result is -1 or TRUE.

-1True
0False

Non ZeroTrue
0False

Query

The results using a Query would be

	SELECT IsNumeric(1);
	

FORM

In a Form you could set the Default Value of a Textbox to

	=IsNumeric(1)
	
VBA

In a Form add a TEXTBOX control and rename it "txtIsNumeric", then you could add the following in the Load Event.

	Private Sub Form_Load()
		txtIsNumeric = IsNumeric(1)
	End Sub
	

Courses

Access 2013 Access Expert 25

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Alex Hedley (Avatar) By: Alex Hedley


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