how to put this check at selection screen.
1. Program will check at the year selection, that should not be more than 3 years, otherwise, the program will raise the error message of u2018Only allow 3 years difference!u2019.
2. is there any fn module which gives the begin and end dates for a year.
requirement: determine the begin date and the end date of selection period for year selection at the selection screen.
Need this urgently.