ALV List - Field Catalog - Change Column width

Question

Hi Friends,
I am using Alv list to display the output of a report program. I have generated the field catalog using REUSE_ALV_FIELDCATALOG_MERGE function and to display the alv REUSE_ALV_LIST_DISPLAY.
My Internal table has few fields like "text1 type string". So after generating the Fieldcatalog from internal table i have changed the field description, but i don't know how to change the column output display width. I have tried by changing OUTPUTLEN parameter to 50 but in the output it is taking only 10 characters instead of 50 characters.
  How can i change the field length(FOR STRING TYPE) for output display ??
Which parameter do i need to change in field catalog for String type fields..
Regards,
Raju.
Message was edited by: Narayana Raju Sampathirao

Answer 1

Hi narayana,
1. the STRING type is causing the problem.
2. what u can do is,
  (i suppose u are modifying the alv field catalogue)
   One workaround is :
   and it works fantastic !
3.  BOLD is important.
    (this will take care of the length)
LOOP AT alvfc INTO alvwa.
  IF alvwa-fieldname = 'A'.
    alvwa-outputlen = '100'.
<b>    alvwa-inttype = 'CHAR'.</b>
    MODIFY alvfc FROM alvwa.
  ENDIF.
ENDLOOP.
4. To get a TASTE of what i m saying,
   just copy paste in new program :
REPORT abc.
TYPE-POOLS : slis.
Data
DATA : BEGIN OF itab OCCURS 0,
       a TYPE string.
        INCLUDE STRUCTURE t001.
DATA :  END OF itab.
DATA : alvfc TYPE slis_t_fieldcat_alv.
DATA : alvwa TYPE slis_fieldcat_alv.
Select
SELECT * FROM t001 INTO CORRESPONDING FIELDS OF TABLE itab.
LOOP AT itab.
  itab-a = 'pppppppppppppppppppppp'.
  MODIFY itab.
ENDLOOP.
*-------  Field Catalogue
CALL FUNCTION 'REUSE_ALV_FIELDCATALOG_MERGE'
  EXPORTING
    i_program_name         = sy-repid
    i_internal_tabname     = 'ITAB'
    i_inclname             = sy-repid
  CHANGING
    ct_fieldcat            = alvfc
  EXCEPTIONS
    inconsistent_interface = 1
    program_error          = 2
    OTHERS                 = 3.
LOOP AT alvfc INTO alvwa.
  IF alvwa-fieldname = 'A'.
    alvwa-outputlen = '100'.
    alvwa-inttype = 'CHAR'.
    MODIFY alvfc FROM alvwa.
  ENDIF.
ENDLOOP.
Display
CALL FUNCTION 'REUSE_ALV_LIST_DISPLAY'
  EXPORTING
    it_fieldcat             = alvfc
  TABLES
    t_outtab                = itab
  EXCEPTIONS
    program_error           = 1
    OTHERS                  = 2.
regards,
amit m.