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Entering data into a dynamically created table.

Hi,

I have to create an alv whose field catalog is created dynamically through a few tables(that also determined at run time).

Now I need to populate this dynamically created table with values from the tables(that are also dynamically determined).

But the issue is that I cannot use into-corresponding

or appending-corresponing.

Below is a sample code...

<i> CALL METHOD cl_alv_table_create=>create_dynamic_table

EXPORTING

it_fieldcatalog = li_fieldcat

IMPORTING

ep_table = lt_table.

ASSIGN lt_table->* TO <lt_tab1>.

LOOP AT li_report_tab_kum INTO lwa_tmp_tab.

SELECT SINGLE kotab

FROM t681

INTO lv_table

WHERE kvewe = 'E'

and kotabnr = lwa_tmp_tab-kotabnr.

SELECT *

FROM (lv_table)

INTO CORRESPONDING FIELDS OF TABLE <lt_tab1>

WHERE kappl = 'V'

AND kschl = lwa_tmp_tab-kschl

AND knuma = lwa_tmp_tab-knuma.

ENDLOOP.

CALL FUNCTION 'REUSE_ALV_LIST_DISPLAY'

EXPORTING

i_callback_program = sy-cprog

i_callback_user_command = 'USER_COMMAND'

it_fieldcat = li_fieldcatalog

is_layout = gs_layout

  • it_events = lt_events

  • it_sort = li_sort

TABLES

t_outtab = <lt_tab1>.</i>

Pls let me know a way out of this.

Thanks in advance.

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2 Answers

  • Posted on Aug 03, 2006 at 06:09 AM

    hello,

    You have to use the ASSIgn component.

    Regards,

    Naimesh

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  • author's profile photo Former Member
    Former Member
    Posted on Aug 03, 2006 at 06:10 AM

    you can look to the example program below

    DATA: g_t_upload_tab TYPE REF TO data.

    DATA: g_t_upload_tab_chk TYPE REF TO data.

    DATA: g_t_upload_tab_del TYPE REF TO data.

    DATA: g_t_upload_tab_wa TYPE REF TO data.

    DATA: g_t_upload_tab_chk_wa TYPE REF TO data.

    DATA: g_t_upload_tab_del_wa TYPE REF TO data.

    FIELD-SYMBOLS: TYPE STANDARD TABLE.

    • For ALV

    • Data for ALV

    DATA: g_f_ok_code LIKE sy-ucomm,

    g_f_container TYPE scrfname VALUE 'UPLOAD_TAB',

    g_o_grid TYPE REF TO cl_gui_alv_grid,

    g_o_custom_container TYPE REF TO cl_gui_custom_container.

    DATA: g_t_fieldcat TYPE lvc_t_fcat.

    DATA: g_r_fieldcat TYPE lvc_s_fcat.

    DATA: g_r_disp_variant TYPE disvariant.

    • For summary

    DATA: g_f_repid LIKE sy-repid.

    • For report heading

    DATA: w_report_name_tx LIKE sy-repid,

    grid TYPE REF TO cl_gui_alv_grid.

    • declare object of type eventhandler

    DATA alv_layout TYPE lvc_s_layo.

    DATA: g_f_del TYPE c,

    g_f_ins TYPE c.

    DATA: g_f_batch .

    *----


    *

    • SELECTION-SCREEN *

    *----


    *

    • Selection of file path

    • Application server

    SELECTION-SCREEN BEGIN OF BLOCK frm1 WITH FRAME TITLE text-t01.

    SELECTION-SCREEN: BEGIN OF LINE, POSITION 01.

    PARAMETERS: g_p_ux RADIOBUTTON GROUP rad1 DEFAULT 'X'.

    SELECTION-SCREEN: COMMENT 03(22) text-t02. "Name der Server-Datei

    SELECTION-SCREEN POSITION 25.

    PARAMETERS: g_p_dsn(50). " LOWER CASE. "PIP2KOR12042006

    SELECTION-SCREEN: END OF LINE.

    • Presentation server

    SELECTION-SCREEN: BEGIN OF LINE, POSITION 01.

    PARAMETERS: g_p_pc RADIOBUTTON GROUP rad1.

    SELECTION-SCREEN: COMMENT 03(20) text-t03. "Name der PC-Datei

    SELECTION-SCREEN POSITION 25.

    PARAMETERS: g_p_fil LIKE rlgrap-filename.

    SELECTION-SCREEN: END OF LINE.

    SELECTION-SCREEN END OF BLOCK frm1.

    • Table selection

    SELECTION-SCREEN BEGIN OF BLOCK frm3 WITH FRAME TITLE text-t20.

    SELECTION-SCREEN: BEGIN OF LINE, POSITION 01.

    SELECTION-SCREEN: COMMENT 01(20) text-t05.

    SELECTION-SCREEN POSITION 25.

    PARAMETERS: g_p_tbnm TYPE ddobjname DEFAULT 'Z06PDE01_PAABZUG'.

    SELECTION-SCREEN: END OF LINE.

    • For log file

    SELECTION-SCREEN: BEGIN OF LINE, POSITION 01.

    PARAMETERS: g_p_chk AS CHECKBOX.

    SELECTION-SCREEN: COMMENT 03(22) text-t04.

    SELECTION-SCREEN POSITION 25.

    PARAMETERS: g_p_log(50). " LOWER CASE. "PIP2KOR12042006

    SELECTION-SCREEN: END OF LINE.

    SELECTION-SCREEN END OF BLOCK frm3.

    • Simulation and porduction mode

    SELECTION-SCREEN BEGIN OF BLOCK frm2 WITH FRAME TITLE text-t10.

    PARAMETERS: g_p_sm RADIOBUTTON GROUP rad2 DEFAULT 'X'.

    PARAMETERS: g_p_pd RADIOBUTTON GROUP rad2.

    • Delete table before processing YES / NO

    SELECTION-SCREEN BEGIN OF BLOCK frm4 WITH FRAME TITLE text-s05.

    PARAMETERS: g_p_tdy RADIOBUTTON GROUP rad3.

    PARAMETERS: g_p_tdn RADIOBUTTON GROUP rad3 DEFAULT 'X'.

    SELECTION-SCREEN END OF BLOCK frm4.

    • Processing options

    SELECTION-SCREEN BEGIN OF BLOCK frm5 WITH FRAME TITLE text-s06.

    PARAMETERS: g_p_iu RADIOBUTTON GROUP rad4 DEFAULT 'X'.

    PARAMETERS: g_p_in RADIOBUTTON GROUP rad4.

    PARAMETERS: g_p_up RADIOBUTTON GROUP rad4.

    PARAMETERS: g_p_dl RADIOBUTTON GROUP rad4.

    SELECTION-SCREEN END OF BLOCK frm5.

    SELECTION-SCREEN BEGIN OF LINE.

    PARAMETERS: g_p_del AS CHECKBOX.

    SELECTION-SCREEN COMMENT 3(50) text-022 FOR FIELD g_p_del.

    SELECTION-SCREEN END OF LINE.

    SELECTION-SCREEN END OF BLOCK frm2.

    PARAMETER : g_p_tr1(12) TYPE c NO-DISPLAY.

    PARAMETER : g_p_tr2(12) TYPE c NO-DISPLAY.

    *----


    *

    • INITIALISATION

    *----


    *

    • Do not allow execution in P70

    INITIALIZATION.

    • IF sy-sysid CS 'P'.

    • MESSAGE a398(00) WITH text-021.

    • ENDIF.

    *----


    *

    • AT SELECTION-SCREEN *

    *----


    *

    • Capture of path

    AT SELECTION-SCREEN ON VALUE-REQUEST FOR g_p_fil.

    PERFORM f4_for_datei.

    AT SELECTION-SCREEN.

    • Check for empty path

    IF NOT g_p_ux IS INITIAL AND g_p_dsn IS INITIAL.

    MESSAGE e016(pn) WITH text-010.

    ENDIF.

    IF NOT g_p_pc IS INITIAL AND g_p_fil IS INITIAL.

    MESSAGE e016(pn) WITH text-011.

    ENDIF.

    • When the program enters validations second time after

    • SJOB and ENTER, SY-UCOMM will be space

    • So, in order to execute the validations, control using a flag

    IF sy-ucomm = 'SJOB' .

    g_f_batch = 'X'.

    ENDIF.

    • Set the UCOMM if batch flag is set

    IF g_f_batch = 'X'.

    sy-ucomm = 'SJOB' .

    ENDIF.

    • Do not execute in batch when uploaded from PC

    IF sy-ucomm = 'SJOB' AND NOT g_p_pc IS INITIAL.

    MESSAGE e016(pn) WITH text-002.

    ENDIF.

    IF NOT g_p_chk IS INITIAL AND g_p_log IS INITIAL.

    MESSAGE e016(pn) WITH text-010.

    ENDIF.

    • Logging to Appl server must when executed in batch

    IF sy-ucomm = 'SJOB' AND g_p_chk IS INITIAL.

    MESSAGE e016(pn) WITH text-023 text-024.

    sy-ucomm = 'SJOB'.

    ENDIF.

    • If all the validations are successful, clear the flag

    IF sy-ucomm = space .

    CLEAR g_f_batch.

    ENDIF.

    *----


    *

    • Start of selection *

    *----


    *

    START-OF-SELECTION.

    CREATE DATA g_t_upload_tab TYPE TABLE OF (g_p_tbnm).

    CREATE DATA g_t_upload_tab_chk TYPE TABLE OF (g_p_tbnm).

    CREATE DATA g_t_upload_tab_del TYPE TABLE OF (g_p_tbnm).

    ASSIGN g_t_upload_tab->* TO .

    • Initialise the buttons for alv

    g_f_ins = 'Y'.

    g_p_tr2 = text-013.

    • Upload of data from file to table

    • Deletion of previously available records in table

    PERFORM file_upload.

    • Write log file to application server

    IF NOT g_p_chk IS INITIAL.

    PERFORM write_log.

    ENDIF.

    *&----


    *

    *& Form f4_for_datei

    *&----


    *

    • Selection of file path

    *----


    *

    FORM f4_for_datei.

    • Lokale Daten

    DATA: l_file_table TYPE filetable.

    DATA: l_rc TYPE i.

    DATA: l_filename TYPE string.

    DATA: filen TYPE string,

    filename TYPE string,

    path TYPE string.

    CALL METHOD cl_gui_frontend_services=>file_open_dialog

    EXPORTING

    window_title = 'Ausgabefile'

    CHANGING

    file_table = l_file_table

    rc = l_rc

    EXCEPTIONS

    file_open_dialog_failed = 1

    cntl_error = 2

    error_no_gui = 3

    not_supported_by_gui = 4

    OTHERS = 5.

    IF sy-subrc <> 0.

    MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno

    WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.

    ELSE.

    LOOP AT l_file_table INTO l_filename.

    ENDLOOP.

    g_p_fil = l_filename.

    ENDIF.

    ENDFORM. " f4_for_datei

    *&----


    *

    *& Form file_upload

    *&----


    *

    • Upload of file

    *----


    *

    FORM file_upload .

    • Data upload from application server

    • Open dataset

    IF NOT g_p_ux IS INITIAL.

    OPEN DATASET g_p_dsn FOR INPUT IN BINARY MODE.

    IF sy-subrc <> 0.

    SET CURSOR FIELD 'G_P_DSN'.

    MESSAGE e016(pn) WITH

    'Eingangsdatei nicht geöffnet Sy-Subrc ='(e50)

    sy-subrc.

    ENDIF.

    • Write data into internal table

    REFRESH .

    ENDIF.

    ENDDO.

    • Close dataset

    CLOSE DATASET g_p_dsn.

    • Upload file to database

    PERFORM upload_db.

    • Data upload from PC

    ELSE.

    CALL FUNCTION 'WS_UPLOAD'

    EXPORTING

    filename = g_p_fil

    filetype = 'DAT'

    TABLES

    data_tab = 0.

    SET CURSOR FIELD 'g_p_fil'.

    MESSAGE e016(pn) WITH

    'Fehler in WS_UPLOAD Sy-Subrc ='(e60)

    sy-subrc.

    ENDIF.

    IF sy-subrc = 0.

    • Upload file to table

    PERFORM upload_db.

    ENDIF.

    ENDIF.

    ENDFORM. " file_upload

    *&----


    *

    *& Form upload_db

    *&----


    *

    • Upload of data to table

    *----


    *

    FORM upload_db .

    DATA : g_l_messg(256) TYPE c.

    DATA : g_l_dbcnt(10) TYPE c.

    DATA : g_f_lines type i.

    • Deletion of records

    DESCRIBE TABLE 0.

    • Delete records from database

    • Delete only if the Delete before processing is yes.

    IF NOT g_p_tdy IS INITIAL.

    PERFORM delete_records.

    ENDIF.

    ENDIF.

    • For Simulation

    IF NOT g_p_sm IS INITIAL.

    • Below records will be uploaded

    PERFORM write_tab.

    • For production

    ELSE.

    • Begin of deletion PIP2KOR24072005

    • MODIFY (g_p_tbnm) FROM TABLE <f_s_upload_tab>.

    • COMMIT WORK.

    • IF sy-subrc = 0.

    • MESSAGE s016(pn) WITH text-001.

    • " records have been uploaded

    • ENDIF.

    • End of deletion PIP2KOR24072005

    • Begin of insertion PIP2KOR24072005

    • For Processing Options

    CASE 'X'.

    WHEN g_p_iu.

    MODIFY (g_p_tbnm) FROM TABLE LINES g_f_lines.

    g_l_dbcnt = g_f_lines - sy-dbcnt.

    CONCATENATE text-037 g_l_dbcnt INTO g_l_messg.

    MESSAGE i016(pn) WITH g_l_messg.

    EXIT.

    ENDIF.

    ENDCASE.

    • End of insertion PIP2KOR24072005

    • Log after uploading

    • Below records have been uploaded

    PERFORM write_tab.

    • If requested, delete the dataset

    IF g_p_del = 'X' AND g_p_ux = 'X'.

    DELETE DATASET g_p_dsn.

    ENDIF.

    ENDIF.

    ENDFORM. " upload_db

    *&----


    *

    *& Form write_tab

    *&----


    *

    • write tab

    *----


    *

    FORM write_tab .

    • ALV display

    PERFORM call_alv.

    ENDFORM. " write_tab

    *&----


    *

    *& Form delete_records

    *&----


    *

    • delete records from database

    *----


    *

    FORM delete_records .

    • Deletion of records already existing in DB table

    • In production mode

    IF NOT g_p_pd IS INITIAL .

    • For Log

    REFRESH .

    • deletion of records

    DELETE FROM (g_p_tbnm).

    COMMIT WORK.

    • Write log

    • Below Records are deleted

    PERFORM write_tab_del.

    CLEAR .

    ELSE.

    • In simulation mode - List of records that will be deleted

    REFRESH .

    • Below Records will be deleted

    PERFORM write_tab_del.

    CLEAR .

    ENDIF.

    ENDFORM. " delete_records

    *&----


    *

    *& Form write_tab_del

    *&----


    *

    • write deleted records

    *----


    *

    FORM write_tab_del .

    • ALV display

    PERFORM call_alv.

    ENDFORM. " write_tab_del

    *&----


    *

    *& Form call_alv_del

    *&----


    *

    *

    *----


    *

    FORM call_alv .

    • Display:

    PERFORM display_data.

    ENDFORM. " call_alv_del

    *&----


    *

    *& Form display_data

    *&----


    *

    • display data

    *----


    *

    FORM display_data.

    • Build the Field catalog

    PERFORM build_catalog.

    • Call the screen

    CALL SCREEN 100.

    ENDFORM. " display_data

    *&----


    *

    *& Form build_catalog

    *&----


    *

    • build catalog

    *----


    *

    FORM build_catalog.

    • Build the catalog using internal table definition

    g_f_repid = sy-repid.

    g_r_disp_variant-report = sy-repid.

    g_r_disp_variant-handle = '0100'.

    PERFORM build_catalog_from_itab_disp

    TABLES g_t_fieldcat

    USING g_f_repid

    g_f_repid.

    ENDFORM. " build_catalog

    *&----


    *

    *& Module STATUS_0100 OUTPUT

    *&----


    *

    • PBO for screen 0100

    *----


    *

    MODULE status_0100 OUTPUT.

    • Set PF Status and title bar

    SET PF-STATUS 'MAIN100'.

    IF g_f_ins = 'Y'.

    • Fill the table

    [].

    SET TITLEBAR 'TITLE2' WITH text-020.

    ENDIF.

    • Set the ALV grid

    IF g_o_custom_container IS INITIAL.

    IF sy-batch IS INITIAL .

    • Instantiate the Custom container

    CREATE OBJECT g_o_custom_container

    EXPORTING container_name = g_f_container.

    ENDIF.

    • Instantiate the Grid control

    CREATE OBJECT g_o_grid

    EXPORTING i_parent = g_o_custom_container.

    ENDIF.

    • CLEAR <f_s_output_alv>.

    • Display the ALV (Summary or detail)

    CALL METHOD g_o_grid->set_table_for_first_display

    EXPORTING

    is_variant = g_r_disp_variant

    i_save = 'A'

    i_default = 'X'

    CHANGING

    it_outtab = 0.

    ENDIF.

    ENDMODULE. " STATUS_0100 OUTPUT

    *&----


    *

    *& Module USER_COMMAND_0100 INPUT

    *&----


    *

    • PAI for screen 0100

    *----


    *

    MODULE user_command_0100 INPUT.

    • to react on oi_custom_events:

    CALL METHOD cl_gui_cfw=>dispatch.

    CASE g_f_ok_code.

    WHEN 'EXIT'.

    LEAVE PROGRAM.

    WHEN 'CANCEL' OR 'BACK'.

    LEAVE TO SCREEN 0.

    WHEN 'DEL'.

    g_f_del = 'Y'.

    CLEAR g_f_ins.

    g_p_tr1 = text-014.

    CLEAR g_p_tr2.

    LEAVE TO SCREEN 0100.

    WHEN 'INS'.

    g_f_ins = 'Y'.

    CLEAR g_f_del.

    g_p_tr2 = text-013.

    CLEAR g_p_tr1.

    LEAVE TO SCREEN 0100.

    ENDCASE.

    CLEAR g_f_ok_code.

    ENDMODULE. " USER_COMMAND_0100 INPUT

    *&----


    *

    *& Form build_catalog_from_itab *

    *&----


    *

    • Build the catalog *

    • Convert to the ABAP objects interface *

    *----


    *

    FORM build_catalog_from_itab_disp

    TABLES t_l_r_int_fieldcat_tab TYPE lvc_t_fcat

    USING i_pgm_name

    • i_itab_name

    i_incl_name.

    TYPE-POOLS: slis.

    • Work Fields for ALV

    DATA: l_r_int_fieldcat_def TYPE slis_t_fieldcat_alv,

    l_r_int_fieldcat_tab TYPE lvc_t_fcat WITH HEADER LINE,

    l_r_int_fieldcat_tab_temp TYPE slis_t_fieldcat_alv.

    • Build the field catalog dynamically by reading the definition of

    • internal table to be displayed (i_itab_name)

    CALL FUNCTION 'REUSE_ALV_FIELDCATALOG_MERGE'

    EXPORTING

    i_program_name = i_pgm_name

    i_structure_name = g_p_tbnm

    i_client_never_display = 'X'

    CHANGING

    ct_fieldcat = l_r_int_fieldcat_tab_temp[]

    EXCEPTIONS

    inconsistent_interface = 1

    program_error = 2

    OTHERS = 3.

    • Convert the catalog to suit ABAP objects ALV interface

    PERFORM convert_catalog_disp TABLES l_r_int_fieldcat_tab_temp

    t_l_r_int_fieldcat_tab.

    ENDFORM. " BUILD_CATALOG__from_itab_disp

    *&----


    *

    *& Form CONVERT_CATALOG

    *&----


    *

    • Convert the dynamically built catalog into the format required

    • by ABAP objects ALV

    *----


    *

    FORM convert_catalog_disp TABLES t_l_r_int_fieldcat_tab_temp TYPE

    slis_t_fieldcat_alv t_l_r_int_fieldcat_tab TYPE lvc_t_fcat.

    DATA:l_r_int_fieldcat_tab_temp_wa TYPE slis_t_fieldcat_alv WITH

    HEADER LINE.

    LOOP AT t_l_r_int_fieldcat_tab_temp INTO l_r_int_fieldcat_tab_temp_wa.

    MOVE-CORRESPONDING l_r_int_fieldcat_tab_temp_wa TO

    t_l_r_int_fieldcat_tab.

    t_l_r_int_fieldcat_tab-ref_field =

    l_r_int_fieldcat_tab_temp_wa-ref_fieldname.

    t_l_r_int_fieldcat_tab-ref_table =

    l_r_int_fieldcat_tab_temp_wa-ref_tabname.

    t_l_r_int_fieldcat_tab-roundfield =

    l_r_int_fieldcat_tab_temp_wa-roundfieldname.

    t_l_r_int_fieldcat_tab-decimals_o =

    l_r_int_fieldcat_tab_temp_wa-decimals_out.

    t_l_r_int_fieldcat_tab-decmlfield =

    l_r_int_fieldcat_tab_temp_wa-decimalsfieldname.

    t_l_r_int_fieldcat_tab-dd_outlen =

    l_r_int_fieldcat_tab_temp_wa-ddic_outputlen.

    t_l_r_int_fieldcat_tab-scrtext_l =

    l_r_int_fieldcat_tab_temp_wa-seltext_l.

    t_l_r_int_fieldcat_tab-scrtext_m =

    l_r_int_fieldcat_tab_temp_wa-seltext_m.

    t_l_r_int_fieldcat_tab-scrtext_s =

    l_r_int_fieldcat_tab_temp_wa-seltext_s.

    t_l_r_int_fieldcat_tab-reptext =

    l_r_int_fieldcat_tab_temp_wa-reptext_ddic.

    APPEND t_l_r_int_fieldcat_tab.

    ENDLOOP.

    ENDFORM. " CONVERT_CATALOG_disp

    *&----


    *

    *& Form write_log

    *&----


    *

    • log file on application server

    *----


    *

    FORM write_log .

    • Data upload from application server

    • Open dataset

    OPEN DATASET g_p_log FOR OUTPUT IN BINARY MODE.

    IF sy-subrc <> 0.

    SET CURSOR FIELD 'G_P_LOG'.

    MESSAGE e016(pn) WITH

    'Ausgabedatei nicht geöffnet Sy-Subrc ='(e50)

    sy-subrc.

    ENDIF.

    • Write data

    IF NOT g_p_pd IS INITIAL.

    TRANSFER text-008 TO g_p_log.

    ELSE.

    TRANSFER text-009 TO g_p_log.

    ENDIF.

    • Log for Inserted records

    LOOP AT TO g_p_log.

    ENDLOOP.

    TRANSFER '' TO g_p_log.

    IF NOT g_p_pd IS INITIAL.

    TRANSFER text-005 TO g_p_log.

    ELSE.

    TRANSFER text-006 TO g_p_log.

    ENDIF.

    • Log for Deleted records

    LOOP AT TO g_p_log.

    ENDLOOP.

    • Close dataset

    CLOSE DATASET g_p_dsn.

    ENDFORM. " write_log

    Reward if helps.

    Thanks,

    Krishna

    Add comment
    10|10000 characters needed characters exceeded

    • Former Member chirantan chanana

      Hi

      Considering your data have create a sample program. Please check if this helps you.

      Report ZAATEST.

      data: gt_fieldcat type LVC_T_FCAT,

      gt_table type ref to data.

      data: ls_fieldcat type lvc_s_fcat.

      field-symbols: <gt_table> type table.

      data: it_dfies like dfies occurs 0 with header line,

      lv_table type ddobjname.

      select single kotab from t681 into lv_table

      where kvewe = 'A' and kotabnr = '005' and kappl = 'V'.

      CALL FUNCTION 'DDIF_NAMETAB_GET'

      EXPORTING

      TABNAME = lv_table

      TABLES

      DFIES_TAB = it_dfies

      EXCEPTIONS

      NOT_FOUND = 1

      OTHERS = 2.

      IF SY-SUBRC <> 0.

      ENDIF.

      loop at it_dfies.

      ls_fieldcat-fieldname = it_dfies-fieldname.

      ls_fieldcat-inttype = it_dfies-inttype.

      ls_fieldcat-outputlen = it_dfies-outputlen.

      append ls_fieldcat to gt_fieldcat.

      endloop.

      CALL METHOD cl_alv_table_create=>create_dynamic_table

      EXPORTING

      it_fieldcatalog = gt_fieldcat

      IMPORTING

      ep_table = gt_table.

      ASSIGN gt_table->* TO <gt_table>.

      SELECT *

      FROM (lv_table)

      into table <gt_table>.

      This has worked for me to populate data in <gt_table>

      Thanks

      Eswar

      Note: Reward for helpful answers.