Regarding editable alv

Question

Hi all,
          Frnds i am working in editable alv using function modules not object oriented abap.
i m trying to edit a Field(MATNR ) in my output list and finally update it with changed values in the DB table.
But i m getting syntax error like
"the work area i_final is not alligned properly
below i m providing my code.
<code>
*& Report  ZEDITABLE_ALV1
REPORT  ZEDITABLE_ALV1.
TABLES: vbak,vbap.
TYPE-POOLS: slis. "ALV Declarations
data: BEGIN OF i_final occurs 0,
      vbeln like vbap-vbeln,
      posnr like vbap-posnr,
      matnr like vbap-matnr,
      erdat like vbap-erdat,
END OF i_final.
DATA : C_X(1) TYPE C VALUE 'X',
       C_FC_MODIFY(6) TYPE C VALUE 'MODIFY'.
*DATA: i_final TYPE STANDARD TABLE OF T_FINAL with header line.
     i_temp type standard table of T_FINAL with header line.
*wa_final like line of i_final.
*DATA:i_final LIKE vbap OCCURS 0.
*DATA:wa_final LIKE vbap.
*ALV data declarations
DATA: fieldcatalog TYPE slis_t_fieldcat_alv WITH HEADER LINE,
gd_tab_group TYPE slis_t_sp_group_alv,
gd_layout TYPE slis_layout_alv,
gd_repid LIKE sy-repid.
*Start-of-selection.
START-OF-SELECTION.
PERFORM data_retrieval.
PERFORM build_fieldcatalog.
PERFORM build_layout.
PERFORM display_alv_report.
*& Form BUILD_FIELDCATALOG
*•     Build Fieldcatalog for ALV Report
FORM build_fieldcatalog.
fieldcatalog-fieldname = 'VBELN'.
fieldcatalog-seltext_m = 'sales order'.
fieldcatalog-col_pos = 0.
APPEND fieldcatalog TO fieldcatalog.
CLEAR fieldcatalog.
fieldcatalog-fieldname = 'ERDAT'.
fieldcatalog-seltext_m = 'date'.
fieldcatalog-col_pos = 1.
APPEND fieldcatalog TO fieldcatalog.
CLEAR fieldcatalog.
fieldcatalog-fieldname = 'MATNR'.
fieldcatalog-seltext_m = 'material no.'.
fieldcatalog-col_pos = 2.
fieldcatalog-edit = 'X'.
APPEND fieldcatalog TO fieldcatalog.
CLEAR fieldcatalog.
fieldcatalog-fieldname = 'POSNR'.
fieldcatalog-seltext_m = 'line item no.'.
fieldcatalog-col_pos = 3.
APPEND fieldcatalog TO fieldcatalog.
CLEAR fieldcatalog.
fieldcatalog-FIELDNAME = 'REC_SEL'.
fieldcatalog-NO_OUT = C_X.
APPEND fieldcatalog TO fieldcatalog.
CLEAR fieldcatalog.
ENDFORM. " BUILD_FIELDCATALOG
*& Form BUILD_LAYOUT
*•     Build layout for ALV grid report
FORM build_layout.
gd_layout-no_input = 'X'.
gd_layout-colwidth_optimize = 'X'.
gd_layout-totals_text = 'Totals'(201).
     gd_layout-totals_only = 'X'.
     gd_layout-f2code = 'DISP'. "Sets fcode for when double
     "click(press f2)
     gd_layout-zebra = 'X'.
     gd_layout-group_change_edit = 'X'.
     gd_layout-header_text = 'helllllo'.
ENDFORM. " BUILD_LAYOUT
*& Form DISPLAY_ALV_REPORT
*•     Display report using ALV grid
FORM display_alv_report.
gd_repid = sy-repid.
CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
EXPORTING
i_callback_program = gd_repid
i_callback_user_command = 'USER_COMMAND'
i_callback_pf_status_set = 'GUI_STAT'
*i_grid_title = outtext
is_layout = gd_layout
it_fieldcat = fieldcatalog[]
*it_special_groups = gd_tabgroup
*it_events = it_events
i_save = 'X'
*is_variant = z_template
TABLES
t_outtab = i_final
EXCEPTIONS
program_error = 1
OTHERS = 2.
IF sy-subrc <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
ENDFORM. " DISPLAY_ALV_REPORT
**& Form DATA_RETRIEVAL
*•     Retrieve data form EKPO table and populate itab it_ekko
FORM data_retrieval.
*SELECT avbeln aerdat bmatnr bposnr FROM vbak AS a
*INNER JOIN vbap AS b ON avbeln = bvbeln
*INTO TABLE i_final WHERE a~vbeln = b~vbeln.
select VBELN ERDAT MATNR POSNR up to 10 rows from vbap into corresponding fields of  table i_final.
ENDFORM. " DATA_RETRIEVAL
*•     FORM GUI_STAT *
*•     --> RT_EXTAB *
FORM gui_stat USING rt_extab TYPE slis_t_extab.
SET PF-STATUS 'MODIFY' EXCLUDING rt_extab.
ENDFORM.
*•     FORM USER_COMMAND *
*•     --> U_COMM *
*•     --> RS_SELFIELD *
FORM user_command USING u_comm LIKE sy-ucomm
rs_selfield TYPE slis_selfield.
DATA:selfield TYPE slis_selfield.
*RS_SELFIELD-REFRESH = C_X.
CASE u_comm.
*IF U_COMM = C_FC_MODIFY.
WHEN 'UPDATE'.
LOOP AT i_final. " into wa_final."into wa_final.
*READ TABLE I_TEMP WITH KEY VBELN = I_FINAL-VBELN.
*IF SY-SUBRC = 0.
i_final-matnr = vbap-matnr.
*MODIFY I_final INDEX SY-TABIX.
*ENDIF.
ENDLOOP.
*ENDIF.
MODIFY VBAP FROM TABLE i_final.
IF SY-SUBRC = 0.
COMMIT WORK AND WAIT.
*MESSAGE I000 WITH SY-DBCNT
*' Record(s) has been Updated'(020).
ENDIF.
*append i_final.
*it_temp = i_final.
*append it_temp.
**UPDATE sflight FROM TABLE sflight_tab.
*ENDLOOP.
*update vbap from table i_final.
*IF sy-subrc = 0.
*MESSAGE s000(0) WITH 'records updated successfully'.
*ENDIF.
ENDCASE.
ENDFORM.
</code>
Frnds plz help me in this regard.
Thanks,
satya

Answer 1

Try something like this...ur code was not clear..i have done something u can understand.
First check that u r not trying to update the primary key field.
first before updating.
Before updating select the record u r going to update from the main table.
select single * from VBAP where <pass the key values>.
if sy-subrc = 0.
move the rest of the values to the table header except the key values.
vbap-<field1> = value1.
vbap-<field2> = value2.
after moving the values.
update <table>.
if sy-subrc = 0.
commit work.
endif.
data:st_vbap type vbap.
WHEN 'UPDATE'.
LOOP AT i_final. " into wa_final."into wa_final.
select single * from vbap where vbeln = I_FINAL-VBELN.
move-corresponding i_final to vbap.
update vbap.
if sy-subrc = 0.
commit work.
wk_cnt = wk_cnt + 1.
endif.
at last.
*MESSAGE I000 WITH SY-DBCNT
*' Record(s) has been Updated'(020).
endat.
endloop