/text/sbasic/shared/03102600.xhp

IsNull function Null value IsNull Function [Runtime] Tests if a Variant contains the special Null value, indicating that the variable does not contain data.

Syntax: IsNull (Var) Return value: Bool Parameters: Var: Any variable that you want to test. This function returns True if the Variant contains the Null value, or False if the Variant does not contain the Null value. Null - This value is used for a variant data sub type without valid contents. Example: Sub ExampleIsNull Dim vVar As Variant msgbox IsNull(vVar) end sub