i am giving d code part below:
2 screen fields CODE and DESC
CODE input field
DESC output only
PAI
FIELD CODE MODULE VALID_CODE.
MODULE VALID_CODE.
IF CODE IS INITIAL.
CLEAR DESC.
ERROR MESSAGE.
ELSE.
SHOW DESC FOR CODE ENTERED.
ENDMODULE.
Effect on screen:
initially if user presses ENTER message is showing. if valid code is entered desc is showing. now if user removes code and presses enter error message is showing but desc is not blank. i want desc should also be blank at this time.
this is d same functionality as in tcode ME21N purchase org. field.
plz help