ABAP Screen: Implicit transferring fields / LOOP AT TC

Question

Hello experts,
I developed a table control in the following way:
process before output.
  module status_0110.
  loop with control tc_liqivp_items.
    module item_get.
    module screen_modify.
  endloop.
process after input.
  loop with control tc_liqivp_items.
    chain.
      field: gs_liqivp_items-umzeichart,
             gs_liqivp_items-endpa
             module endpa_check on chain-request.
    endchain.
    chain.
      field: gs_liqivp_items-umzeichart,
             gs_liqivp_items-umz_fenster,
             gs_liqivp_items-endpa
             module item_modify on chain-request.
    endchain.
  endloop.
The control is defined as following:
controls: tc_liqivp_items  type tableview using screen 110.
The screen 110 is defined as subscreen.
I use the classical table control (using loop at TCu2026); in PAI the fields will be transferred implicitly from the table control to the assigned structure gs_liqivp_items.
Within the table control loop, however in structure not all fields are filled correctly (some fields comes from the last line of the internal table).
E.g.:
10     Testline1 3.25 CHF     red      blue
20     Testline1 4.25 CHF     green      blue
30     Testline1 6.10 CHF     white      blue
40     Testline1 6.50 CHF     yellow     blue
If I change the value in line 1 from 3.25 to 4.25 CHF also the fields red and blue will be overwritten by the last line. The result is:
10     Testline1 4.25 CHF     yellow     blue
20     Testline1 4.25 CHF     green      blue
30     Testline1 6.10 CHF     white      blue
40     Testline1 6.50 CHF     yellow     blue
Only the price field is set as input field.
Do you have any idea for this issue?
Thanks for your support!
Regards,
Kurt

Answer 1

Hi,
In PAI  " Flow logic
process after input.
  loop with control tc_liqivp_items.
    chain.
      field: gs_liqivp_items-umzeichart,
             gs_liqivp_items-endpa
             module endpa_check on chain-request.
    endchain.
    chain.
      field: gs_liqivp_items-umzeichart,
             gs_liqivp_items-umz_fenster,
             gs_liqivp_items-endpa
             module item_modify on chain-request.
    endchain.
    module move_to_progam.  " Add this in your program
  endloop.
In program  " To Transfer the data of each row of Table control to Internal Table of the Program
MODULE MOVE_TO_PROGAM INPUT. " replace the following variables/Internal Tables with the ones you declared
  DESCRIBE TABLE itab LINES tc-lines.
  if  tc-lines < tc-current_line.
    append gs_liqivp_items to  itab.
  else.
    modify itab from gs_liqivp_items INDEX tc-current_line.
  endif.
ENDMODULE.
Hope this would serve your purpose
Cheerz
Ramchander Rao.K