Description
The Microsoft Excel ISNULL function returns TRUE if the expression is a null value. Otherwise, it returns FALSE.
Syntax
The syntax for the ISNULL function in Microsoft Excel is:
IsNull( expression )
Parameters or Arguments
- expression
- A variant that contains a string or numeric value.
Applies To
- Excel 2016, Excel 2013, Excel 2011 for Mac, Excel 20010, Excel 2003, Excel XP, Excel 2000
Type of Function
- VBA function (VBA)
Example (as VBA Function)
The ISNULL function can only be used in VBA code in Microsoft Excel.
Let's look at some Excel ISNULL function examples and explore how to use the ISNULL function in Excel VBA code:
IsNull(null) Result: TRUE IsNull("Tech on the Net") Result: FALSE
For example:
Dim LValue As Boolean LValue = IsNull("Tech on the Net")
In this example, the variable called LValue would contain FALSE as a value.