AN

"Allow nulls" status of a form field. Indicates the value to be taken by the form field when it contains no data.

Valid Values

A 1-character code, as shown in the table below:

CODE

MEANING

Y

When no data is entered, the field is $Null (valueless)

N

When no data is entered, the field takes the value zero (0) if its data type (DT) is numeric or date, or the null string ("") if its data type is alphanumeric

Remarks

When AN is set to N, the end-user can set a toggle button to the null state.

See Also

DT