Answer / sapna

Chain and End chain
In PAI if you want to validate group of fields put in
chain and End chain statement .


You can declare fields in the chain enchain .


CHAIN.
FIELD chk_ABC.
FIELD chk_DEF.
FIELD chk_GHI.
FIELD CHK-JKL.
MODULE CHK_screenfields.
ENDCHAIN.


MODULE CHK_screenfields INPUT.
CLEAR okcode.
okcode = sy-ucomm.
CASE okcode.
WHEN 'ENTER' OR 'EXECUTE'.

IF chk_ABC IS INITIAL AND chk_DEF IS INITIAL AND CHK_GHI
IS INITIAL .
MESSAGE e000(zo_spa) WITH text-017. " Enter VALUES'
ELSE.
.....
ENDIF.
ENDIF.

ENDMODULE. " modify_screenfields INPUT


Regards,
SAPNA

Answer / palash mazumder

IN PAI IF YOU WANT VALIDATE A GROUP OF FIELDS THEN CHAIN
ENDCHAIN BLOCK IS USED.

SYNTAX IS.
IN FLOW LOGIC

CHAIN.
FIELD NUM1.
FIELD NUM2.
MODULE USER_COMMAND_0100.
ENDCHAIN.

IN ABAP PROGRAM WRITE THE FOLLOWING CODE.
MODULE USER_COMMAND_0100 INPUT.
CLEAR okcode.
okcode = sy-ucomm.
CASE okcode.
WHEN 'ENTER' OR 'EXECUTE'.

IF NUM1 IS INITIAL OR NUM2 IS INITIAL .
MESSAGE e398(00) WITH 'PLEASE FILL THE FIELDS'. " Enter VALUES'
ELSE.
.....
ENDIF.
ENDIF.

ENDMODULE.

NUM1 AND NUM2 ARE INPUT FIELD NAME IN SCREEN 0100

SAP Script for Billing in which Billing document number was displayed as header, Bill Type, Bill Category, Bill Item, Cost, Base Unit of Measurement and Material number were categorically displayed for each billing document number. plz mention the detail coding Tahnks, Rahul

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