*bold* Doubt in alv

Question

Hi friends i am new to sap.
I have a querry in alv.In this  report i only get 3 columns in the output [fname,dept and age] whereas location ,eid doesn't comes.i
tried to increase the occurs 5 to 10 ,but it did't worked .
Any suggestion please ??
REPORT zalvreport .
TABLES: zemp.
DATA: BEGIN OF t_report OCCURS 5,
name LIKE zemp-fname,
age LIKE zemp-age,
deprt LIKE zemp-dept,
local LIKE zemp-location,
empid like zemp-eid,
END OF t_report.
TYPE-POOLS: slis.
DATA t_fcat TYPE slis_t_fieldcat_alv.
DATA: d_repid LIKE sy-repid.
SELECT-OPTIONS: s_name FOR zemp-fname .
START-OF-SELECTION.
  SELECT * FROM zemp WHERE fname IN s_name.
    MOVE: zemp-fname TO t_report-name,
          zemp-age TO t_report-age,
          zemp-location to t_report-local,
          zemp-dept TO t_report-deprt,
          zemp-eid TO t_report-empid.
    APPEND t_report.
  ENDSELECT.
  IF sy-subrc NE 0.
    WRITE 'No data found'.
    EXIT.
  ENDIF.
  d_repid = sy-repid.
  CALL FUNCTION 'REUSE_ALV_FIELDCATALOG_MERGE'
       EXPORTING
            i_program_name         = d_repid
            i_internal_tabname     = 'T_REPORT'
            i_inclname             = d_repid
         CHANGING
            ct_fieldcat            = t_fcat
       EXCEPTIONS
            inconsistent_interface = 1
            program_error          = 2
            OTHERS                 = 3.
  IF sy-subrc <> 0.
    WRITE: / 'Error:',sy-subrc,
    'when Create Field Catalog'.
    EXIT.
  ENDIF.
  CALL FUNCTION 'REUSE_ALV_LIST_DISPLAY'
       EXPORTING
            i_callback_program = d_repid
            it_fieldcat        = t_fcat
       TABLES
            t_outtab           = t_report
       EXCEPTIONS
            program_error      = 1
            OTHERS             = 2.
  IF sy-subrc <> 0.
    WRITE: / 'Error:',sy-subrc,
    'when Call ALV List Display'.
    EXIT.
  ENDIF.

Answer 1

hi lokesh
here is some information for the FM   'REUSE_ALV_FIELDCATALOG_MERGE'
Create field catalog from dictionary structure or internal table
Supports the creation of the field catalog for the ALV function modules based either on a structure or table defined in the ABAP Data Dictionary, or a program-internal table.
The program-internal table must either be in a TOP Include or its Include must be specified explicitly in the interface.
The variant based on a program-internal table should only be used for rapid prototyping since the following restrictions apply:
Performance is affected since the code of the table definition must always be read and interpreted at runtime.
Dictionary references are only considered if the keywords LIKE or INCLUDE STRUCTURE (not TYPE) are used.
If the field catalog contains more than 90 fields, the first 90 fields are output in the list by default whereas the remaining fields are only available in the field selection.
If the field catalog is passed with values, they are merged with the 'automatically' found information.
so it will be better for u if u create Field catalog manually as described above in this u have more hold of catalog creation
Cheers
Snehi Chouhan