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FILEMAKER PRO HELP 853
Parameters
field - any field name, text expression, or numeric expression
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
Functions reference (category list)
Functions reference (alphabetical list)
About formulas
About functions
Defining calculation fields
Using operators in formulas
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