Using Back Button after Display Report

Hi,
Need an advice, i need to customize the standard BACK button after report had been displayed, trying to use AT USER-COMMAND, but still not avail..
anyone can come with example will help me a lot.
Thanks

Hi badz lee,
Just change the function code 'BACK' to 'ZBACK' in your custom GUI staus.
Then write your own logic for the custmer needs.
Hope this code helps.
*& Report ZVK_TEST
REPORT zvk_test.
TABLES:ekko."for select option only
SELECT-OPTIONS:s_ebeln FOR ekko-ebeln.
DATA:lt_ekko TYPE TABLE OF ekko,
     lw_ekko TYPE ekko.
START-OF-SELECTION.
SET PF-STATUS 'STLI'."copy status STLI of program SAPMSSY0.
SET TITLEBAR 'TITLE'.
SELECT * INTO TABLE lt_ekko
    FROM ekko
    WHERE ebeln IN s_ebeln.
LOOP AT lt_ekko INTO lw_ekko.
    WRITE:/ lw_ekko-ebeln,
            lw_ekko-bukrs,
            lw_ekko-bstyp,
            lw_ekko-bsart.
ENDLOOP.
END-OF-SELECTION.
AT USER-COMMAND.
CASE sy-ucomm.
    WHEN 'ZBACK'.
      PERFORM back_function."Your logic
    WHEN OTHERS.
ENDCASE.
*&      Form BACK_FUNCTION
FORM back_function .
LEAVE PROGRAM.
ENDFORM.                    " BACK_FUNCTION

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Leonardo -
When you click back the portal framework does not execute the page flows again.
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"Leonardo Contreras" <[email protected]> wrote:
>
You can use the login-required annotattion for catching LoginExpiredException
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After the user logs out, and if they click the back button again they
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