How to reduce the code while passing.

hi,
I am passing the below statemnt to pass the field name and description to the sub_fieldcat.
since the report has got 100 fields i need to write for all the 100 fields like this, is there any possiblity to pass the field name and the description with less coding
PERFORM SUB_FIELDCAT USING '' 'BUDAT' 'Posting Date' G_COL 'X'.
ADD 1 TO G_COL.
FORM SUB_FIELDCAT USING L_TABNAME TYPE SLIS_TABNAME
                        L_FNAME TYPE SLIS_FIELDNAME
                        L_SEL TYPE DD03P-SCRTEXT_L
                        L_COL TYPE I
                        L_KEY TYPE C.
I_FIELDCATTAB_WA-REF_TABNAME = L_TABNAME.
I_FIELDCATTAB_WA-FIELDNAME   = L_FNAME.
I_FIELDCATTAB_WA-SELTEXT_L   = L_SEL.
I_FIELDCATTAB_WA-COL_POS     = L_COL.
I_FIELDCATTAB_WA-KEY         = L_KEY.
APPEND I_FIELDCATTAB_WA TO I_FIELDCATTAB.
ENDFORM.             " SUB_FIELDCAT

Hi Anitha,
1. To the FM
   we just need to pass the
   internal table Name
( There is no need to use the parameter
I_STRUCTURE_NAME )
I_INTERNAL_TABNAME Is very important.
2. While declaring the internal table,
   u can use any number of fields.
   But make sure they are
   declare using LIKE
eg.
   bukrs like t001-bukrs
(do not use type)
3. Rest the FM will take care !
PS:
Important parameters are:
i_program_name,
i_internal_tabname     = 'ITAB'
i_inclname             = prg
where prg is sy-repid
CALL FUNCTION 'REUSE_ALV_FIELDCATALOG_MERGE'
    EXPORTING
      i_program_name         = prg
      i_internal_tabname     = 'ITAB'
      i_inclname             = prg
    CHANGING
      ct_fieldcat            = alvfc
    EXCEPTIONS
      inconsistent_interface = 1
      program_error          = 2
      OTHERS                 = 3.
regards,
amit m.
Message was edited by: Amit Mittal
Message was edited by: Amit Mittal

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