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Object Oriented ALV

Can any tell me how can i define custom defined search help in the object oriented alv. It would be more helpful if u could send some example reports.

Thanks.

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  • Posted on Sep 30, 2006 at 10:54 AM

    hi,

    go to se38 -> give bcalv_* - > press f4 -> u will get a list of programs.

    ur requiremnt is exaactly included there.

    rgds

    anver

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  • author's profile photo Former Member
    Former Member
    Posted on Sep 30, 2006 at 11:09 AM

    Hi Anurita,

    Go through the program <b>BCALV_EDIT_08</b> in SE38 present in your SAP system.

    Also go through the link,

    http://www.sapdevelopment.co.uk/reporting/alv/alvscr.htm

    Regards,

    Azaz.

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  • author's profile photo Former Member
    Former Member
    Posted on Sep 30, 2006 at 02:36 PM

    Hi Anurita ,

    You can go through this document.

    http://esnips.com/doc/2d953590-e8c5-490c-a607-d1ab7cf517d7/ALV.pdf

    Regards,

    SP.

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  • Posted on Sep 30, 2006 at 05:20 PM

    hi

    for any type of ALV programs u can search for the string <b>BCALV*</b> in SE38..

    Cheers,

    Abdul Hakim

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  • Posted on Oct 01, 2006 at 05:40 AM

    Hello Anurita

    An example report that explains all options regaring F4 help in ALV grids is BCALV_TEST_GRID_F4_HELP (Example Report for F4 Help of the ALV Grid). This example is quite well documented in the header (see below):

    *&---------------------------------------------------------------------
    *& Report  BCALV_GRID_F4_HELP                                          *
    *&                                                                     *
    *&---------------------------------------------------------------------*
    *&                                                                     *
    *&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
    * Purpose:
    * ~~~~~~~~
    * This report illustrates the use of f4-Help in an alv grid control.
    *-----------------------------------------------------------------
    * Background:
    * ~~~~~~~~~~~
    * There a two possibilities to implement an f4-Help in the alv grid
    * control: one can either use standard f4-help or write one by Hand.
    * For the former there is nothing to do at all. This report shows how
    * to implement user-defined f4-help.
    *-----------------------------------------------------------------
    * The user should look at the definition of classes grid_application
    * and lcl_event_receiver:
    * all the grid-specific things happen there, while the rest
    * of the program is concerned with dynpro programming
    *---------------------------------------------------------------------
    * To check program behavior
    * ~~~~~~~~~~~~~~~~~~~~~~~~~
    * For each choice it is explained in detail which functionality the
    * f4-help dispalys. Just try out different modes at the start-dynpro.
    * We also included a message signaling when datatable update actually
    * occurs.
    *-----------------------------------------------------------------
    * Essential steps (search for '§')
    * ~~~~~~~~~~~~~~~
    * First you must define and set an event handler for event onf4
    * of class cl_gui_alv_grid, just as with any event in the object
    * model. In our case, its method on_f4 of (the local) class
    * lcl_event_receiver (definition see below).
    * We set the handler in PBO-module create_object of dynpro 100.
    *
    * For the easiest case where you don't want to make changes do step
    * 1. Register all columns for which you want to define an f4-help.
    * 1a.You can deregister columns during run-time to use standard f4-help.
    * 1b.Or register additional columns during run-time.
    * 2. Implement your event handler method.
    * 3. Set attribute m_event_handled of er_event_data to avoid standard
    *    f4-help.
    * If you want to allow the user to change data via f4-help you have to
    * 4. set in the fieldcatalog the corresponding column editable (see
    *    Documentation). It does not suffice to set the complete grid
    *    editable.
    * 5. Declare data and field-symbols for values to be changed.
    * 6. Assign the values for the corresponding cells you want to edit:
    *    you can edit any cells. Do not refresh your table!
    * 7. If your f4-help relates to other values of your table, you must
    *    set parameters getbefore and/or chngeafter during registration.
    * 8. In case the column you want to define an f4-help has no standard
    *    f4-help defined, you must set parameter F4AVAILABL in the field
    *    catalog.
    * 9. If you want to check the data yourself, you can register for the
    *    events data_changed and/or data_changed_finished. For the former
    *    you can check where the event was raised and act accordingly.
    *10. Often one uses drop down boxes instead of f4-help. To do so, you
    *    first have to extend your datatable by one field and set the
    *    fieldcatalog parameter drdn_field accordingly.
    *11. Then you have to prepare a drop down table, give it to your grid
    *    and fill in the additional field of your datatable appropritately.
    *!!  If you define a drop down box for a column, you can not define an
    *    f4-help for the same column.
    *&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&

    You will find these steps documented within the coding as well, e.g.:

    *§10 define data table to handle drop down boxes
    data: begin of gt_outtab occurs 0.
            include structure sflight .
    data: drop_down_handle type int4. "dropdown handle for a field
    data: style type lvc_t_styl.

    Thus I am sure you will be able to manage your task using this template report.

    Regards

    Uwe

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