Oracle Forms Developer – Form Builder Reference, Volume 1

CLEAR_ITEM built-in
Description
Clears the value from the current text item, regardless of the current cursor position, and changes the text
item value to NULL.
Syntax
PROCEDURE CLEAR_ITEM;
40
Built-in Type restricted procedure
Enter Query Mode yes
CLEAR_ITEM examples
/*
** Built-in: CLEAR_ITEM
** Example: Clear the current item if it does not represent
** the first day of a month.
** trigger: When-New-Item-Instance
*/
BEGIN
IF TO_CHAR(:Emp.Hiredate,’DD’) ’01’ THEN
Clear_Item;
Message(’This date must be of the form 01-MON-YY’);
END IF;
END;