Functions Reference

Table Of Contents
FILEMAKER FUNCTIONS REFERENCE 163
Data type returned
number
Originated in
FileMaker Pro 6.0 or earlier
Examples
IsEmpty(OrderNum) returns 1 if the OrderNum field is empty.
If(IsEmpty(LastName);“Invalid record”;““) displays Invalid Record if the LastName
field is blank, but displays nothing if there is an entry in LastName.
IsEmpty(Payments::DatePaid) returns 1 if, for example, the Payments table has been moved
or renamed.
IsEmpty(“text”) returns 0.
Related topics
Contents
Functions reference (alphabetical list)
IsValid
Purpose
Returns 0 (False) if the data is invalid and 1 (True) if the data is valid.
Format
IsValid(field)
Parameters
field - any field name
Data type returned
number
Originated in
FileMaker Pro 6.0 or earlier
Description
Returns 0 (False) if:
A record contains an invalid value because of a field type mismatch (text in a date field, for
example)
FileMaker Pro cannot locate (temporarily or permanently) the related table in which the
referenced field is defined