Reuse_alv_grid_display TITLE problem after refresh

Question

All,
I have a alv report using fm reuse_alv_grid_display. While calling initially this fm i am passing the grid tile in I_GRID_TITLE parameter. its displaying in grid, then after user click on the app toolbar button , i am doing some filteration , then coming back to grid the TITLE is missing in display
Any Info .  below is the code snipet
  CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
   EXPORTING
     i_callback_program             = sy-repid
     i_callback_pf_status_set       = 'F_PF_STATUS_SET'
     i_callback_user_command        = gc_user_com
     i_grid_title                   = gv_gtitle "<< passing initially
then in User_command i am filering some values on the basis of button clicked (Button placed in app toolbar)
FORM f_user_command USING p_ucomm    LIKE sy-ucomm
                          p_selfield TYPE slis_selfield .
    WHEN '&EXP'.
      perform f_expand.
      p_selfield-refresh = 'X'.  "<<<----- refresh the grid
  code for f_expand
form f_expand.
    CALL FUNCTION 'REUSE_ALV_GRID_LAYOUT_INFO_GET'  " Getting current layout
      IMPORTING
        es_layout      = ls_layout
        et_filter      = lt_filter
        es_grid_scroll = ls_grid_scroll
        es_print       = ls_print
      EXCEPTIONS
        OTHERS         = 1.
" Here doing some filteration. ie append some values to IT_FILTER table for enabling then filter
    perform f_set_fltr_val_exp using lt_filter[].
    ls_layout-colwidth_optimize = gc_x.
    read table gt_sfieldcat into gv_fieldcat
                      with key fieldname = 'REGIO'.
    if sy-subrc eq 0.
      gv_fieldcat-no_out = ' '.
      modify gt_sfieldcat from gv_fieldcat index sy-tabix.
    endif.
* Set the grid title to include the parameters and the report type
  CONCATENATE text-027 p_bukrs text-028 p_perio
              text-029 p_gjahr
         INTO gv_gtitle SEPARATED BY space.
    CALL FUNCTION 'REUSE_ALV_GRID_LAYOUT_INFO_SET'
      EXPORTING
        is_layout      = ls_layout
        it_fieldcat    = gt_sfieldcat
        it_sort        = gt_sort
        it_filter      = lt_filter
        is_grid_scroll = ls_grid_scroll
        is_print       = ls_print
      EXCEPTIONS
        OTHERS         = 0.
endform.                    " F_expand
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Answer 1

Hi All,
Thanks for your replies.  I have done all that has been said.  My problem is that when the user double clicks on the ALV without pressing the sort button in the ALV display, the index provided in the user-command subroutine is the same as the index of the record in the internal table.  But, when the user sorts dynamically when the ALV is displayed and then double clicks, the index of the record provided by ALV is different from the index of that record in the internal table.
For example, when the ALV grid is shown a record is in the 1st row, and when the user double clicks now, the index of this record provided is 1 which is same as the index in the internal table.
But, after the user sorts in the display, if this record moves to the 5th row, the index provided by ALV will become 5, but, actually the index in the internal table is still 1.
Hope I have clarified my problem.
Thanks,
Sridhar