AllOrNone

Syntax

AllOrNone(fieldlist)

Where fieldlist is an arbitrary-length list of field references in the form:

[recordname.]fieldname1 [, [recordname.]fieldname2] ...

Description

The AllOrNone function takes a list of fields and returns True if either of these conditions is true:

• All of the fields have values (that is, are not Null).

• None of the fields has a value.

For example, if field1 = 5, field2 = "Mary", and field3 = null, AllOrNone returns False.

This function is useful, for example, where you have a set of page fields, and if any one of the fields contains a value, then all of the other fields are required also.

A blank character field, or a zero (0) numeric value in a required numeric field is considered a null value.

Returns

Returns a Boolean value: True if all of the fields in fieldlist or none of the fields in fieldlist has a value, False otherwise.