REUSE_ALV_GRID: coloring of cells without digits

Hello Experts,
Im using reuse_alv to display my internal table:
CALL FUNCTION 'GUI_UPLOAD'
     EXPORTING
       filename = v_filename
       filetype = 'ASC'
     TABLES
       data_tab = ta_csv.
   IF sy-subrc <> 0.
     MESSAGE 'Lokale Datei nicht gefunden oder Zugriff gescheitert'
       TYPE 'E'.
     EXIT.
   ENDIF.
   DATA: BEGIN OF st_csv_data,
                  vkorg     TYPE vkorg,
                  matnr     TYPE matnr,
                  preis(10) TYPE c,
         END   OF st_csv_data.
   LOOP AT ta_csv INTO v_record.
     IF sy-tabix = 1.
       CONTINUE.
     ENDIF.
     SPLIT v_record AT ';'
        INTO st_csv_data-vkorg
             st_csv_data-matnr
             st_csv_data-preis.
     MOVE: st_csv_data-vkorg TO wa_csv_data-vkorg,
           st_csv_data-matnr TO wa_csv_data-matnr,
           st_csv_data-preis TO wa_csv_data-preis.
     APPEND wa_csv_data TO ta_csv_data.
   ENDLOOP.
   v_repid = sy-repid.
   v_layout-zebra             = 'X'.
   v_layout-edit              = 'X'.
   v_layout-colwidth_optimize = 'X'.
   v_grid_title               = text-t02.
CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
   EXPORTING
     i_callback_program       = v_repid
     i_grid_title             = v_grid_title
     i_save                   = 'A'
     i_structure_name         = 'zst_preisupload'
     is_layout                = v_layout
     i_callback_pf_status_set = 'STANDARD'
     i_callback_user_command = 'USER_COMMAND'
   TABLES
     t_outtab                 = ta_csv_data
   EXCEPTIONS
     program_error            = 1
     OTHERS                   = 2.
and I'd like to have cells in th grid being colored in case there are empty or there are not digits inside.
Until now I only foud some example solutions hot to do this static...could you may be give some advise for that case?

Hi Denis,
Not sure how you will do it with individual cells, but if you have a look at sap demo program BCALV_TEST_COLORS they use this same Function Module as you i.e. for the same case.
Hope this helps you.

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Dear Gurus,
I know that many a questions have been posted based on cell coloring. But sadly i couldn't find anything that suits my requirement. My requirement is like i want to color a cell when the user double clicks on that cell. I have captured the double click event and iam filling the required color in a field in final itab (name : color). After this iam calling refresh_table_display.
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Edited by: sandeep sivan on Aug 5, 2010 10:51 AM
Edited by: sandeep sivan on Aug 5, 2010 11:01 AM

Issue Solved.

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*     IT_SPECIAL_GROUPS                 =
*     IT_SORT                           =
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*     IS_SEL_HIDE                       =
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*     IS_VARIANT                        =
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