My code has given some error is there in that pls correct that one

Question

TABLES:mseg,mard,mkpf.
TYPE-POOLS slis.
SELECTION-SCREEN BEGIN OF BLOCK b1 WITH FRAME TITLE text-001.
SELECT-OPTIONS:smblnr FOR mseg-mblnr MODIF ID m1,
               smatnr FOR mseg-matnr MODIF ID m2,
               swerks FOR mard-werks MODIF ID m3,
               slgort FOR mard-lgort MODIF ID m4,
               slgpbe FOR mard-lgpbe MODIF ID m5,
               scharg FOR mseg-charg MODIF ID m6,
               sbwart FOR mseg-bwart MODIF ID m7,
               skostl FOR mseg-kostl MODIF ID m8,
               saufnr FOR mseg-aufnr MODIF ID m9,
               srsnum FOR mseg-rsnum MODIF ID m10.
SELECTION-SCREEN END OF BLOCK b1.
SELECTION-SCREEN BEGIN OF BLOCK b2 WITH FRAME TITLE text-002.
PARAMETERS:pre RADIOBUTTON GROUP radi USER-COMMAND ucomm DEFAULT 'X',
           pse RADIOBUTTON GROUP radi,
           bps RADIOBUTTON GROUP radi.
SELECTION-SCREEN END OF BLOCK b2.
SELECTION-SCREEN BEGIN OF BLOCK b3 WITH FRAME TITLE text-003.
PARAMETER:lay TYPE i.
SELECTION-SCREEN END OF BLOCK b3.
DATA:BEGIN OF st_output,
     mblnr LIKE mseg-mblnr,
     matnr LIKE mseg-matnr,
     werks LIKE mard-werks,
     lgort LIKE mard-lgort,
     lgpbe LIKE mard-lgpbe,
     charg LIKE mseg-charg,
     bwart LIKE mseg-bwart,
     budat LIKE mkpf-budat,
     menge LIKE mseg-menge,
     meins LIKE mseg-meins,
     kostl LIKE mseg-kostl,
     aufnr LIKE mseg-aufnr,
     rsnum LIKE mseg-rsnum,
     checkbox TYPE c,
     END OF st_output, it_output LIKE TABLE OF st_output.
DATA:it_fieldcat TYPE slis_t_fieldcat_alv,
     st_fieldcat TYPE slis_fieldcat_alv,
     st_layout TYPE slis_layout_alv.
START-OF-SELECTION.
  IF sy-subrc EQ 0.
    SORT it_output BY matnr.
    PERFORM display_alv_output.
  ENDIF
*&      Form  display_alv_output
      text
-->  p1        text
<--  p2        text
FORM display_alv_output .
  REFRESH it_fieldcat.
  st_fieldcat-col_pos = 1.
  st_fieldcat-tabname = 'IT_OUTPUT'.
  st_fieldcat-fieldname = 'MBLNR'.
  st_fieldcat-seltext_l = 'Mat.Doc.'.
  st_fieldcat-key = 'X'.
  APPEND st_fieldcat TO it_fieldcat.
  CLEAR st_fieldcat.
  st_fieldcat-col_pos = 1.
  st_fieldcat-tabname = 'IT_OUTPUT'.
  st_fieldcat-fieldname = 'MATNR'.
  st_fieldcat-seltext_l = 'Material'.
  st_fieldcat-key = ' '.
  APPEND st_fieldcat TO it_fieldcat.
  CLEAR st_fieldcat.
  st_fieldcat-col_pos = 1.
  st_fieldcat-tabname = 'IT_OUTPUT'.
  st_fieldcat-fieldname = 'WERKS'.
  st_fieldcat-seltext_l = 'Plnt'.
  st_fieldcat-key = ' '.
  APPEND st_fieldcat TO it_fieldcat.
  CLEAR st_fieldcat.
  st_fieldcat-col_pos = 1.
  st_fieldcat-tabname = 'IT_OUTPUT'.
  st_fieldcat-fieldname = 'LGORT'.
  st_fieldcat-seltext_l = 'SLoc'.
  st_fieldcat-key = ' '.
  APPEND st_fieldcat TO it_fieldcat.
  CLEAR st_fieldcat.
  st_fieldcat-col_pos = 1.
  st_fieldcat-tabname = 'IT_OUTPUT'.
  st_fieldcat-fieldname = 'LGPBE'.
  st_fieldcat-seltext_l = 'Bin'.
  st_fieldcat-key = ' '.
  APPEND st_fieldcat TO it_fieldcat.
  CLEAR st_fieldcat.
  st_fieldcat-col_pos = 1.
  st_fieldcat-tabname = 'IT_OUTPUT'.
  st_fieldcat-fieldname = 'CHARG'.
  st_fieldcat-seltext_l = 'Batch'.
  st_fieldcat-key = ' '.
  APPEND st_fieldcat TO it_fieldcat.
  CLEAR st_fieldcat.
  st_fieldcat-col_pos = 1.
  st_fieldcat-tabname = 'IT_OUTPUT'.
  st_fieldcat-fieldname = 'BWART'.
  st_fieldcat-seltext_l = 'MvT'.
  st_fieldcat-key = ' '.
  APPEND st_fieldcat TO it_fieldcat.
  CLEAR st_fieldcat.
  st_fieldcat-col_pos = 1.
  st_fieldcat-tabname = 'IT_OUTPUT'.
  st_fieldcat-fieldname = 'BUDAT'.
  st_fieldcat-seltext_l = 'Pstng Data'.
  st_fieldcat-key = ' '.
  APPEND st_fieldcat TO it_fieldcat.
  CLEAR st_fieldcat.
  st_fieldcat-col_pos = 1.
  st_fieldcat-tabname = 'IT_OUTPUT'.
  st_fieldcat-fieldname = 'MENGE'.
  st_fieldcat-seltext_l = 'Quantity'.
  st_fieldcat-key = ' '.
  APPEND st_fieldcat TO it_fieldcat.
  CLEAR st_fieldcat.
  st_fieldcat-col_pos = 1.
  st_fieldcat-tabname = 'IT_OUTPUT'.
  st_fieldcat-fieldname = 'MEINS'.
  st_fieldcat-seltext_l = 'BUn'.
  st_fieldcat-key = ' '.
  APPEND st_fieldcat TO it_fieldcat.
  CLEAR st_fieldcat.
  st_fieldcat-col_pos = 1.
  st_fieldcat-tabname = 'IT_OUTPUT'.
  st_fieldcat-fieldname = 'KOSTL'.
  st_fieldcat-seltext_l = 'Cost ctr'.
  st_fieldcat-key = ' '.
  APPEND st_fieldcat TO it_fieldcat.
  CLEAR st_fieldcat.
  st_fieldcat-col_pos = 1.
  st_fieldcat-tabname = 'IT_OUTPUT'.
  st_fieldcat-fieldname = 'AUFNR'.
  st_fieldcat-seltext_l = 'Order'.
  st_fieldcat-key = ' '.
  APPEND st_fieldcat TO it_fieldcat.
  CLEAR st_fieldcat.
  st_fieldcat-col_pos = 1.
  st_fieldcat-tabname = 'IT_OUTPUT'.
  st_fieldcat-fieldname = 'RSNUM'.
  st_fieldcat-seltext_l = 'Reserv.No.'.
  st_fieldcat-key = ' '.
  APPEND st_fieldcat TO it_fieldcat.
  CLEAR st_fieldcat.
  st_fieldcat-col_pos = 1.
  st_fieldcat-fieldname = 'CHECKBOX'.
  st_fieldcat-seltext_l = 'Compltd'.
  st_fieldcat-checkbox = 'X'.
  st_fieldcat-edit = 'X'.
  APPEND st_fieldcat TO it_fieldcat.
  CLEAR st_fieldcat.
  SELECT mseg~mblnr
           mseg~matnr
           mard~werks
           mard~lgort
           mard~lgpbe
           mseg~charg
           mseg~bwart
           mkpf~budat
           mseg~menge
           mseg~meins
           mseg~kostl
           mseg~aufnr
           mseg~rsnum
           INTO TABLE it_output FROM
           mseg JOIN mard ON mardmatnr EQ msegmatnr
                JOIN mkpf ON msegmblnr EQ mkpfmblnr
                WHERE mseg~matnr IN smatnr.
  CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
    EXPORTING
      i_callback_program                = 'ZRREPORT'
      I_CALLBACK_PF_STATUS_SET          = 'PF_STATUS'
      I_CALLBACK_USER_COMMAND           = 'USER_COMMAND'
      is_layout                         = st_layout
      it_fieldcat                       = it_fieldcat
    TABLES
      t_outtab                          = it_output
    EXCEPTIONS
      program_error                     = 1
      OTHERS                            = 2.
ENDFORM.                    " display_alv_output     
FORM USER_COMMAND USING P_UCOMM TYPE SY-UCOMM
                        P_SELFLD TYPE SLIS_SELFIELD.
case p_ucomm.
when 'SAVE'.
DATA: ref1 type ref to cl_gui_alv_grid.
CALL FUNCTION 'GET_GLOBALS_FROM_SLVC_FULLSCR'
  IMPORTING
    E_GRID                   = ref1.
call method ref1->check_changed_data
Here you wil have the table with updated data
IT_OUTPUT2[] = IT_OUTPUT[].
delete IT_OUTPUT2 where checkbox = space. "Mark is the field for the checkbox
   modify ztable from table IT_OUTPUT.
endcase.
ENDFORM.

Answer 1

hi,
Error is in these lines
CALL METHOD REF1->CHECK_CHANGED_DATA. " <------forgot fullstop here
* Here you wil have the table with updated data
IT_OUTPUT2[] = IT_OUTPUT[]. " < ----------------IT_OUTPUT2 is not declared