Paul_80 написал:
Большое спасибо! Может быть и наго***нокодил, но вроде как все получилось! 
type-pools: abap,
              slis.
  field-symbols: <lt_outtab> type standard table,
                 <ls_outtab> type any,
                 <lf_field> type any.
  data: dynamic_table type ref to data,
        dynamic_line  type ref to data,
        s_alv_conrol type lvc_s_fcat,
        t_alv_conrol  type lvc_t_fcat.
  data : idetails type abap_compdescr_tab,
         xdetails type abap_compdescr.
  data : ref_table_des type ref to cl_abap_structdescr.
  s_alv_conrol-fieldname = 'ROOMNUMBER'.
  s_alv_conrol-coltext = 'User type'.
  s_alv_conrol-datatype  = 'c'.
  s_alv_conrol-inttype   = 'c'.
  s_alv_conrol-intlen    = 10.
  s_alv_conrol-decimals  = 0.
  append s_alv_conrol to t_alv_conrol.
  sort gt_small_outtab by floor roomnumber.
  loop at gt_small_outtab into gs_small_outtab.
    at new floor.
      clear s_alv_conrol.
      s_alv_conrol-fieldname = gs_small_outtab-floor.
      s_alv_conrol-coltext = gs_small_outtab-floor.
      s_alv_conrol-datatype  = 'i'.
      s_alv_conrol-inttype   = 'i'.
      s_alv_conrol-intlen    = 10.
      s_alv_conrol-decimals  = 0.
      s_alv_conrol-do_sum    = 'X'.
      append s_alv_conrol to t_alv_conrol.
    endat.
  endloop.
*Создам динамическую таблицу
* Create dynamic internal table and assign to FS
  call method cl_alv_table_create=>create_dynamic_table
    exporting
      it_fieldcatalog = t_alv_conrol
    importing
      ep_table        = dynamic_table.
  assign dynamic_table->* to <lt_outtab>.
* Create dynamic work area and assign to FS
  create data dynamic_line like line of <lt_outtab>.
  assign dynamic_line->* to <ls_outtab>.
  "Заполнение динамической таблицы
  loop at gt_small_outtab into gs_small_outtab.
    assign component gs_small_outtab-floor of structure <ls_outtab> to <lf_field>.
    check sy-subrc is initial.
    <lf_field> = gs_small_outtab-i_value.
    unassign <lf_field>.
    assign component 'ROOMNUMBER' of structure <ls_outtab> to <lf_field>.
    check sy-subrc is initial.
    <lf_field> = gs_small_outtab-roomnumber.
    unassign <lf_field>.
    collect <ls_outtab> into <lt_outtab>.
    clear <ls_outtab>.
  endloop.
* Вывод динамической таблицы на экран
  call function 'REUSE_ALV_GRID_DISPLAY_LVC'
    exporting
      i_callback_program      = sy-repid
      it_fieldcat_lvc         = t_alv_conrol
      i_callback_user_command = 'USER_COMMAND'
    tables
      t_outtab                = <lt_outtab>
    exceptions
      program_error           = 1
      others                  = 2.
  if sy-subrc <> 0.
    leave program.
  endif.