hi,
i try as under , i hope it is help

SET CENTURY on
SET DATE TO dmy
date2 = date()
date1=CTOD("11/04/1960  ")
? int((val(dtos(date2)) - val(dtos(date1))) / 10000)

>How Age Calculator apply to text box. Downloade id (25738)
>if text box value is :11/04/1960 and getting from today date