Check modified cells without "ENTER"

Hello togehter,
i have a problem: I set up an alv-grid with editable cells. I also venen registered the edit-event! So when i modify values in my grid-control and press Enter, the internal table is correctly filled with the new, just now modified, values. So i need this functionality (i can't get it with the debugger) for an own-created button. This button can be pressed/clicked without pressing an Enter. When i click this button (without previous ENTER-click) my report checks the handler-method "on_data_changed" and execute a perform where is just check/modify the internal table, like:
LOOP AT alv_itab INTO wa.
      MODIFY alv_itab FROM wa.
    ENDLOOP.
How can i get the same functionality for directly clicking any own-created button without an ENTER.
Hope you can help me,
THX

Hi Marcel,
try to call the method Check_Changed_Data of your ALV Grid in the PAI (or when you catch the event for your button) like this:
      Clear g_ALV_Check.
      CALL METHOD go_0200_alv->check_changed_data
        IMPORTING
          e_valid   = g_ALV_Check.
it will raise (if there are modified cells) the event DATA_CHANGED and activate your method handler, if there are no modified cells it will adjust your internal table with the new values (and set the e_valid = 'X'). In case of any errors in the modified cells you will have a popup window displaying them and the return value e_valid is set to ' '.
Greetings,
Claudio

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