How to read multiple lines using 'REUSE_ALV_GRID_DISPLAY'

Hi,
In ALV report the FM 'REUSE_ALV_GRID_DISPLAY' used.
EXPORTING
I_CALLBACK_PROGRAM = W_REPID
I_CALLBACK_PF_STATUS_SET = 'PF_STATUS'
I_CALLBACK_USER_COMMAND = 'USER_COMMAND'
How to read multiple lines in the following dynamic subroutine ?
I am able to read single value through p_selfld.
Nut the requirement is to change the values in more than 1 row for a fld (edit mode)
FORM USER_COMMAND USING P_UCOMM TYPE SY-UCOMM
P_SELFLD TYPE SLIS_SELFIELD.
endform
Thanks in advance

You can get the reference by a dirty assign, but this is not offcially supported...
But if you have some limitations.
FORM user_command USING fuw_ucomm LIKE sy-ucomm
                                   fuw_selfield TYPE slis_selfield.
FIELD-SYMBOLS: <lfs_grid> type ref to cl_gui_alv_grid,
                               <lfs_row> type LVC_S_ROW.
data: li_rows type lvc_t_row.
      assign ('(SAPLSLVC_FULLSCREEN)GT_GRID-GRID') to <lfs_grid>.
      check sy-subrc is initial.
      call method <lfs_grid>->get_selected_rows
        IMPORTING
          et_index_rows = li_rows.
endform.                    "user_command

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String answer;
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try {
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answer = reader.readLine();
reader = null;
} catch (Exception e) {
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a VARCHAR2(1 BYTE),
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EDI_DC40 , A, B, C, D, E
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Hi Vijay,
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EDI_DC40.fieldNames :
EDI_DC40. fieldFixedLengths:
E1WPU01.fieldNames :
E1WPU01.fieldFixedLengths:
E1WPU02.fieldNames :
E1WPU02.fieldFixedLengths:
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I hope this wil solve ur problem..
Lemme know if any issues...
Thanks & Regards,
H.L.Babu

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DATA : IT_BDCDATA LIKE BDCDATA OCCURS 0 WITH HEADER LINE.
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REPLACEMENT                   = '#'
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FILELENGTH                    =
HEADER                        =
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   BAD_DATA_FORMAT               = 8
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   UNKNOWN_DP_ERROR              = 12
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        SYSTEM_LOCK_ERROR         = 9
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       CTUPARAMS              = ' '
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        QUEUE_ERROR            = 3
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ENDLOOP.
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CLEAR IT_BDCDATA.
IT_BDCDATA-PROGRAM = PROGRAM.
IT_BDCDATA-DYNPRO   = DYNPRO.
IT_BDCDATA-DYNBEGIN = 'X'.
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Hi,
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