MS Excel: IsBlank Function
In Excel, the IsBlank function can be used to check for blank or null values.
The syntax for the IsBlank function is:
IsBlank( value )
value is the value that you want to test. If value is blank, this function will return TRUE. If value is not blank, the function will return FALSE.
Applies To:
- Excel 2007, Excel 2003, Excel XP, Excel 2000
For example:
Let's take a look at an example:

Based on the Excel spreadsheet above:
=IsBlank(A1) would return FALSE =IsBlank(A2) would return TRUE =IsBlank("Tech on the Net") would return FALSE