IsEmpty()

IsEmpty()

Category: Logical

Syntax: IsEmpty ( expression )

Parameters: expression ”typically a field name , but can be any valid FileMaker Pro calculation formula

Description: Returns 1 (True) if the referenced field is empty or if the expression returns an empty string. Returns (False) if the field or expression is not empty.

Examples:

 IsEmpty (myField) 

Returns 1 if myField is empty.

 IsEmpty (Name_First & Name_Last) 

Returns 1 if the result of concatenating the two fields together is an empty string.

Comments:

Remember that zero is a valid entry for a number field. If a number field contains a 0, it is not considered to be empty.