IsNull
Result = IsNull ( Expression ) AS Boolean
Returns
TRUE if
Expression is
NULL, i.e. if it is:
-
The NULL constant.
-
A null object reference.
-
A zero length string.
-
A null date.
-
An uninitialized variant.
Examples
PRINT IsNull(Null)
PRINT IsNull("Gambas")
PRINT IsNull("")
PRINT IsNull(False)
See also