HELLO QUERY PLEASE

HI FENS THIS IS MY NEW QUERY, SO PLEASE HELP ME IN GETTING THE SOLUTION.

In screen programming if we use obligatoary to an output field., then an user must enter a value on the selection screen. if we want to exit(or abort) from the selection screen without entering a value then what is the programming that i have to perform.

WAITING FOR UR REPLY

REGARDS

PRASAD