I have a requiremnet on ALV.
I have a program ZTEST with screen no 9000.
I have a container places on the screen 9000
from PBO module of screen 9000
I am passing an internal table gt_xvbep with 3 values
VBELN , TIMEFROM , TIMETO
234000 10:00:00 12:00:00
234002 13:00:00 15:00:00
Fields TIMEFROM and TIMETO are 'editable" and of type DATS
When user enters a values on screen
TIMEFROM should be always greater than TIMETO.
I need to validate the above scenario
When ever user enters TIMEFROM > TIMETO ans press enter I need to show an error message "TO time should be greater than FRom time"
Please let me know how I can catch "ENTER" event in ALV in OOPS and validate the fields