Logic required for the following

Question

hello all,
this is naveen.
i hope you will help me out with the following.
I'm creating a screen with vendor id,country,name and no push buttons.
in the next screen i'm having purchase doc., purchase group, company code along with insert and exit push buttons.
when i enter the data in the in both the screens and press insert only data from the second screen is uploading into the master table.
I request you to provide the correct PBO and PAI logic for this in a simple way.
points will be rewarded.
thanks
naveen

Answer 1

PROGRAM ZVENDORMPOOL .
*&      Module  USER_COMMAND_0100  INPUT
      text vendor  first screen.
tables : lfa1.
DATA : BEGIN OF IT OCCURS 0,
       LIFNR LIKE LFA1-LIFNR,
       LAND1 LIKE LFA1-LAND1,
       NAME1 LIKE LFA1-NAME1,
       END OF IT.
MODULE USER_COMMAND_0100 INPUT.
ENDMODULE.                 " USER_COMMAND_0100  INPUT
*&      Module  USER_COMMAND_0110  INPUT
      text vendor  second screen
TABLES : EKKO.
DATA : BEGIN OF JT OCCURS 0,
       EBELN LIKE EKKO-EBELN,
       BUKRS LIKE EKKO-BUKRS,
       EKORG LIKE EKKO-EKORG,
       EKGRP LIKE EKKO-EKGRP,
       END OF JT.
MODULE USER_COMMAND_0110 INPUT.
CASE SY-UCOMM.
WHEN 'INSE'.
INSERT: LFA1, EKKO.
WHEN 'EXIT'.
LEAVE PROGRAM.
ENDCASE.
ENDMODULE.                 " USER_COMMAND_0110  INPUT
Following are the screens designed
Ist screen with out any push buttons(PB).
2nd screen with PB.
When we click the insert PB in second screen data from both screens should be updated in corresponding master data tables.
(both screen logic is written in pai only by me)
pls got through and give suggestion)