Getwa_not_assigned - error in grid display - when trying for list output

Question

Hi all,
i have searched the SDN before posting and tried all the possibilites given in the forum.
my problem is
data gr_alvgrid type ref to cl_gui_alv_grid.
data: gc_custom_control_name type scrfname value 'CC_ALV'.
data gr_ccontainer type ref to cl_gui_custom_container.
data: gt_fieldcat type lvc_t_fcat.
data gs_layout type lvc_s_layo.
data: begin of gt_itab_alv occurs 0,
        lifnr type char10,    "ekko-lifnr,                " vendor
        ebeln type ekpo-ebeln,                " purchase order
        aedat type ekko-aedat,                " order date
        ebelp like ekpo-ebelp,                " item
        matnr like mara-mfrpn,                " material part no.
       end of gt_itab_alv.
in field cat preparation
perform prepare_fieldcat changing gt_fieldcat.
form prepare_fieldcat  changing pt_fieldcat type lvc_t_fcat. "M24
  data ls_fcat type lvc_s_fcat.
    ls_fcat-fieldname = 'LIFNR'.
*    ls_fcat-ref_table = 'EKKO'.
*    ls_fcat-ref_field = 'LIFNR'.
   ls_fcat-inttype   = 'C'.
   ls_fcat-outputlen = '12'.
    ls_fcat-coltext = 'Vendor'.
    ls_fcat-seltext = 'Vendor'.
    append ls_fcat to pt_fieldcat.
    clear ls_fcat.
endform.
      CALL METHOD gr_alvgrid->set_table_for_first_display
        EXPORTING
          is_layout                     = gs_layout
        CHANGING
          it_outtab                     = gt_itab_alv[]
          it_fieldcatalog               = gt_fieldcat
        EXCEPTIONS
          invalid_parameter_combination = 1
          program_error                 = 2
          too_many_lines                = 3
          OTHERS                        = 4.
      IF sy-subrc <> 0.
      ENDIF.
i am trying to change it to list output - it is giving the getwa_not_assigned dump error.
when i try to do it for one field also, it is giving the same error.
kindly help me.
thanks and regards,
Sakthi Sri.

Answer 1

The Problem is with the layout and not with the field cat preparation.
I gave colours to the layout and now i have changed it to the zebra and the problem solved by me.