IsNull Function

Tests if a Variant contains the special Null value, indicating that the variable does not contain data.

Syntax:

IsNull (Var)

Return value:

Boolean

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