Syntax
Public Function IsNullValue(expression As Variant) As BooleanDescription
This function is used to return a boolean value that indicates a specified expression containing non valid data.
Parameters
| Key | Description |
| expression | An expression value of type variant to indicate if it null value or not. |
Return value
Returns true if the expression is null. Otherwise, it returns false.
Sample
Public Sub main()AlertMessage IsNullValue(NULL) 'Returns true. End SubSee Also