List out the function modules..

Question

Hi Friends..
I want to list out all the available function modules and also i want to store all the function modules in internal table for that purpose what can i do..
Thanks
Gowrishankar

Answer 1

Here is the porgram to display the  list of functionmodules in the SAP IN alv.
*& Report  ZDEMO_ALVGRID                                               *
*& Example of a simple ALV Grid Report                                 *
*& The basic requirement for this demo is to display a number of       *
*& fields from the TFDIR table.                                         *
REPORT  zdemo_alvgrid                 .
TABLES:     TFDIR.
type-pools: slis.                                 "ALV Declarations
*Data Declaration
TYPES: BEGIN OF t_TFDIR .
include  structure   TFDIR .
types  : END OF t_TFDIR.
DATA: it_TFDIR TYPE STANDARD TABLE OF t_TFDIR INITIAL SIZE 0,
      wa_TFDIR TYPE t_TFDIR.
select-options  :  s_FUN  for TFDIR-FUNCNAME.
*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   = 'FUNCNAME'.
  fieldcatalog-seltext_m   = 'Purchase Order'.
  fieldcatalog-col_pos     = 0.
  fieldcatalog-outputlen   = 10.
  fieldcatalog-emphasize   = 'X'.
  fieldcatalog-key         = 'X'.
*  fieldcatalog-do_sum      = 'X'.
*  fieldcatalog-no_zero     = 'X'.
  append fieldcatalog to fieldcatalog.
  clear  fieldcatalog.
  fieldcatalog-fieldname   = 'PNAME'.
  fieldcatalog-seltext_m   = 'PO Item'.
  fieldcatalog-col_pos     = 1.
  append fieldcatalog to fieldcatalog.
  clear  fieldcatalog.
  fieldcatalog-fieldname   = 'INCLUDE'.
  fieldcatalog-seltext_m   = 'Status'.
  fieldcatalog-col_pos     = 2.
  append fieldcatalog to fieldcatalog.
  clear  fieldcatalog.
  fieldcatalog-fieldname   = 'FREEDATE'.
  fieldcatalog-seltext_m   = 'Item change date'.
  fieldcatalog-col_pos     = 3.
  append fieldcatalog to fieldcatalog.
  clear  fieldcatalog.
  fieldcatalog-fieldname   = 'APPL'.
  fieldcatalog-seltext_m   = 'Material Number'.
  fieldcatalog-col_pos     = 4.
  append fieldcatalog to fieldcatalog.
  clear  fieldcatalog.
  fieldcatalog-fieldname   = 'MAND'.
  fieldcatalog-seltext_m   = 'PO quantity'.
  fieldcatalog-col_pos     = 5.
  append fieldcatalog to fieldcatalog.
  clear  fieldcatalog.
  fieldcatalog-fieldname   = 'FMODE'.
  fieldcatalog-seltext_m   = 'Order Unit'.
  fieldcatalog-col_pos     = 6.
  append fieldcatalog to fieldcatalog.
  clear  fieldcatalog.
  fieldcatalog-fieldname   = 'HOST'.
  fieldcatalog-seltext_m   = 'Net Price'.
  fieldcatalog-col_pos     = 7.
  fieldcatalog-outputlen   = 15.
  fieldcatalog-do_sum      = 'X'.        "Display column total
  append fieldcatalog to fieldcatalog.
  clear  fieldcatalog.
  fieldcatalog-fieldname   = 'UTASK'.
  fieldcatalog-seltext_m   = 'Price Unit'.
  fieldcatalog-col_pos     = 8.
  append fieldcatalog to fieldcatalog.
  clear  fieldcatalog.
endform.                    " BUILD_FIELDCATALOG
*&      Form  BUILD_LAYOUT
*       Build layout for ALV grid report
*&      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_top_of_page   = 'TOP-OF-PAGE'  "see FORM
*            i_callback_user_command = 'USER_COMMAND'
*            i_grid_title           = outtext
            is_layout               = gd_layout
            it_fieldcat             = fieldcatalog[]
*            it_special_groups       = gd_tabgroup
*            IT_EVENTS                = GT_XEVENTS
            i_save                  = 'X'
*            is_variant              = z_template
       tables
            t_outtab                = it_TFDIR
       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_TFDIR
form data_retrieval.
select *
  from  TFDIR
  into table it_TFDIR  where  FUNCNAME  in s_FUN.
endform.                    " DATA_RETRIEVAL
reward  points if it is  usefull ..
Girish