HomeVBA Functions LIST (Category Wise)How to use the VBA ISNULL Function (Syntax + Example)

What is VBA ISNULL Function

The VBA ISNULL function is listed under the information category of VBA functions. When you use it in a VBA code, it evaluates the supplied expression and returns TRUE if it is NULL else FALSE. In simple words, it can check whether the value supplied is NULL or not and returns TRUE or FALSE based on that.

how to use it

To use VBA's ISNULL function you need to understand its syntax and arguments:




  • Expression: An expression that you want to test if it’s a NULL or not.

Example to use ISNULL Function in VBA

To practically understand how to use VBA ISNULL function, you need to go through the below example where we have written a vba code by using it:

Sub example_ISNULL()
Range("A1").Value = IsNull("myVar")
End Sub

In the above code, we have used ISNULL to check if the variable myVar is null or not and it has returned TRUE in the result.

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Puneet is using Excel since his college days. He helped thousands of people to understand the power of the spreadsheets and learn Microsoft Excel. You can find him online, tweeting about Excel, on a running track, or sometimes hiking up a mountain.