WD ALV with mandatory selection mode (1..n or 1..1)

Hi there,
I tried to integrate an ALV table in my WD component. The problem here is, that I chose the selection 1..1 in my data supplying context node. Now I can't start my application anymore without the following error:
Number of Elements of Selection of VIEW_TABLE.1.DATA Violates Cardinality
What do I need to set as ALV property to solv the problem?
Kind regards,
Albert

i just want you to check the importance of this
IF_WD_CONTEXT_NODE~SET_CHANGED_BY_CLIENT - set as true so that what ever changes you make to standard ones through coding are implemented...first donot set this parameter and test the things...if still things doesnot work out then use this parameter...Please go through the documentation before you really use this parameter.
in ALV - you have you use if_salv_wd-table_settings~set_selection_state - > as MULTI..but if this placed you selection should be 0-n or 1-n...otherwise it may go for a dump...i guess there should be some workaround...for this..
may be we have to debug to get the things done....
Lukas -
If IF_WD_CONTEXT_NODE_INFO~IS_MULTIPLE_SELECTION would be set to ABAP_TRUE... - > This will not set the value that retuns the value...
Edited by: Lekha on Dec 29, 2011 1:38 PM

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    Mark helpful answers
    Message was edited by: Tanveer Shaikh

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    data: lt_functions type SALV_WD_T_FUNCTION_STD_REF,
            ls_function type SALV_WD_s_FUNCTION_STD_REF.
    lt_functions = l_alv_model->if_salv_wd_function_settings~get_functions_std( ).
    loop at lt_functions into ls_function.
    ls_function-r_function->set_visible( CL_WD_UIELEMENT=>E_VISIBLE-NONE ).
    endloop.
    The above code will hide all the standard functions. If you want to hide specific ones, do a get_function(id) and set_visible.
    Hope this helps.
    Regards
    Nithya

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