function module for date
my requirement is , I am having a fiscial year ( gjahr) and period ie month (monart) . Now i need afunction module that gives the last date of the month. say if it is january it should give 31 - month-year. I want to populate this date to the budat field. so please tell me how to solve this issue. i want to pass as date-month-year to budat. but i am having year as seperate field and month as seperate field. so please tell me the function module that gives all the three or any other solution to this.
thanks for all the replies