WHAT ARE THE SYNTAXES FOR CALLTRANSACTION AND SESSION METHODS

Question

hi
experts
can u help me plzzzzzzzzzzzzzzzzzzzzzz
for this

Answer 1

Check oout this sample program ...
REPORT  ztest_report
NO STANDARD PAGE HEADING
                        LINE-SIZE 255
                        MESSAGE-ID ZRASH.
*                 Internal Table Declarations                          *
*--Internal Table for Data Uploading.
DATA : BEGIN OF IT_FFCUST OCCURS 0,
         KUNNR(10),
         BUKRS(4),
         KTOKD(4),
         ANRED(15),
         NAME1(35),
         SORTL(10),
         STRAS(35),
         ORT01(35),
         PSTLZ(10),
         LAND1(3),
         SPRAS(2),
         AKONT(10),
       END OF IT_FFCUST.
*--Internal Table to Store Error Records.
DATA : BEGIN OF IT_ERRCUST OCCURS 0,
         KUNNR(10),
         EMSG(255),
       END OF IT_ERRCUST.
*--Internal Table to Store Successful Records.
DATA : BEGIN OF IT_SUCCUST OCCURS 0,
         KUNNR(10),
         SMSG(255),
       END OF IT_SUCCUST.
*--Internal Table for Storing the BDC data.
DATA : IT_CUSTBDC LIKE BDCDATA OCCURS 0 WITH HEADER LINE.
*--Internal Table for storing the messages.
DATA : IT_CUSTMSG LIKE BDCMSGCOLL OCCURS 0 WITH HEADER LINE.
DATA : V_FLAG1(1) VALUE ' ',
"Flag used for opening session.
       V_TLINES LIKE SY-TABIX,
       "For storing total records processed.
       V_ELINES LIKE SY-TABIX,
       "For storing the no of error records.
       V_SLINES LIKE SY-TABIX.
       "For storing the no of success records.
*          Selection screen                                            *
SELECTION-SCREEN BEGIN OF BLOCK B1.
PARAMETERS : V_FNAME LIKE RLGRAP-FILENAME,
             V_SESNAM  LIKE RLGRAP-FILENAME.
SELECTION-SCREEN END OF BLOCK B1.
*          Start-of-selection                                          *
START-OF-SELECTION.
*-- Form to upload flatfile data into the internal table.
  PERFORM FORM_UPLOADFF.
*        TOP-OF-PAGE                                                   *
TOP-OF-PAGE.
  WRITE:/ 'Details of the error and success records for the transaction'
  ULINE.
  SKIP.
*          End of Selection                                            *
END-OF-SELECTION.
*-- Form to Generate a BDC from the Uploaded Internal table
  PERFORM FORM_BDCGENERATE.
*--To write the totals and the session name.
  PERFORM FORM_WRITEOP.
*&      Form  form_uploadff
*     Form to upload flatfile data into the internal table.
FORM FORM_UPLOADFF .
*--Variable to change the type of the parameter file name.
  DATA : LV_FILE TYPE STRING.
  LV_FILE = V_FNAME.
*--Function to upload the flat file to the internal table.
  CALL FUNCTION 'GUI_UPLOAD'
    EXPORTING
      FILENAME                      =  LV_FILE
*     FILETYPE                      = 'ASC'
      HAS_FIELD_SEPARATOR           = 'X'
*     HEADER_LENGTH                 = 0
*     READ_BY_LINE                  = 'X'
*     DAT_MODE                      = ' '
*   IMPORTING
*     FILELENGTH                    =
*     HEADER                        =
    TABLES
      DATA_TAB                      = IT_FFCUST
    EXCEPTIONS
      FILE_OPEN_ERROR               = 1
      FILE_READ_ERROR               = 2
      NO_BATCH                      = 3
      GUI_REFUSE_FILETRANSFER       = 4
      INVALID_TYPE                  = 5
      NO_AUTHORITY                  = 6
      UNKNOWN_ERROR                 = 7
      BAD_DATA_FORMAT               = 8
      HEADER_NOT_ALLOWED            = 9
      SEPARATOR_NOT_ALLOWED         = 10
      HEADER_TOO_LONG               = 11
      UNKNOWN_DP_ERROR              = 12
      ACCESS_DENIED                 = 13
      DP_OUT_OF_MEMORY              = 14
      DISK_FULL                     = 15
      DP_TIMEOUT                    = 16
      OTHERS                        = 17
  IF SY-SUBRC = 0.
*--Deleting the headings from the internal table.
    DELETE IT_FFCUST INDEX 1.
*--Getting the total number of records uploaded.
    DESCRIBE TABLE IT_FFCUST LINES V_TLINES.
  ENDIF.
ENDFORM.                    " form_uploadff
*&      Form  Form_bdcgenerate
*     Form to Generate a BDC from the Uploaded Internal table
FORM FORM_BDCGENERATE .
*--Generating the BDC table for the fields of the internal table.
  LOOP AT IT_FFCUST.
    PERFORM POPULATEBDC USING :
                                'X' 'SAPMF02D' '0105',
                                ' ' 'BDC_OKCODE'  '/00' ,
                                ' ' 'RF02D-KUNNR' IT_FFCUST-KUNNR,
                                ' ' 'RF02D-BUKRS' IT_FFCUST-BUKRS,
                                ' ' 'RF02D-KTOKD' IT_FFCUST-KTOKD,
                                'X' 'SAPMF02D' '0110' ,
                                ' ' 'BDC_OKCODE'  '/00',
                                ' ' 'KNA1-ANRED'  IT_FFCUST-ANRED,
                                ' ' 'KNA1-NAME1' IT_FFCUST-NAME1,
                                ' ' 'KNA1-SORTL'  IT_FFCUST-SORTL,
                                ' ' 'KNA1-STRAS' IT_FFCUST-STRAS,
                                ' ' 'KNA1-ORT01' IT_FFCUST-ORT01,
                                ' ' 'KNA1-PSTLZ' IT_FFCUST-PSTLZ,
                                ' ' 'KNA1-LAND1' IT_FFCUST-LAND1,
                                ' ' 'KNA1-SPRAS' IT_FFCUST-SPRAS,
                                'X' 'SAPMFO2D' '0120',     
                                ' ' 'BDC_OKCODE'  '/00',
                                'X' 'SAPMF02D' '0125',     
                                ' ' 'BDC_OKCODE'  '/00',
                                'X' 'SAPMF02D' '0130',     
                                ' ' 'BDC_OKCODE'  '=ENTR',
                                'X' 'SAPMF02D' '0340',     
                                ' ' 'BDC_OKCODE'  '=ENTR',
                                'X' 'SAPMF02D' '0360',
                                ' ' 'BDC_OKCODE'  '=ENTR',
                                'X' 'SAPMF02D' '0210',     
                                ' ' 'KNB1-AKONT'  IT_FFCUST-AKONT,
                                ' ' 'BDC_OKCODE'  '/00',
                                'X' 'SAPMF02D' '0215',
                                ' ' 'BDC_OKCODE'  '/00',
                                'X' 'SAPMF02D' '0220',     
                                ' ' 'BDC_OKCODE'  '/00',
                                'X' 'SAPMF02D' '0230',     
                                ' ' 'BDC_OKCODE'  '=UPDA'.
*--Calling the transaction 'fd01'.
    CALL TRANSACTION 'FD01' USING IT_CUSTBDC MODE 'N' UPDATE 'S'
    MESSAGES INTO IT_CUSTMSG.
    IF SY-SUBRC <> 0.
*--Populating the error records internal table.
      IT_ERRCUST-KUNNR = IT_FFCUST-KUNNR.
      APPEND IT_ERRCUST.
      CLEAR IT_ERRCUST.
*--Opening a session if there is an error record.
      IF V_FLAG1 = ' '.
        PERFORM FORM_OPENSESSION.
        V_FLAG1 = 'X'.
      ENDIF.
*--Inserting the error records into already open session.
      IF V_FLAG1 = 'X'.
        PERFORM FORM_INSERT.
      ENDIF.
*--Populating the Success records internal table.
    ELSE.
      IT_SUCCUST-KUNNR = IT_FFCUST-KUNNR.
      APPEND IT_SUCCUST.
      CLEAR IT_SUCCUST.
    ENDIF.
*--Displaying the messages.
    IF NOT IT_CUSTMSG[] IS INITIAL.
      PERFORM FORM_FORMATMSG.
    ENDIF.
*--Clearing the message and bdc tables.
    CLEAR : IT_CUSTBDC[],IT_CUSTMSG[].
  ENDLOOP.
*--Getting the total no of error records.
  DESCRIBE TABLE IT_ERRCUST LINES V_ELINES.
*--Getting the total no of successful records.
  DESCRIBE TABLE IT_SUCCUST LINES V_SLINES.
*--Closing the session only if it is open.
  IF V_FLAG1 = 'X'.
    PERFORM FORM_CLOSESESS.
  ENDIF.
ENDFORM.                    " Form_bdcgenerate
*&      Form  populatebdc
*       FOrm to Populate the BDC table.
FORM POPULATEBDC  USING    VALUE(P_0178)
                           VALUE(P_0179)
                           VALUE(P_0180).
  IF P_0178 = 'X'.
    IT_CUSTBDC-PROGRAM = P_0179.
    IT_CUSTBDC-DYNPRO = P_0180.
    IT_CUSTBDC-DYNBEGIN = 'X'.
  ELSE.
    IT_CUSTBDC-FNAM = P_0179.
    IT_CUSTBDC-FVAL = P_0180.
  ENDIF.
  APPEND IT_CUSTBDC.
  CLEAR IT_CUSTBDC.
ENDFORM.                    " populatebdc
*&      Form  FORM_OPENSESSION
*       Form to Open a session.
FORM FORM_OPENSESSION .
*--Variable to convert the given session name into reqd type.
  DATA : LV_SESNAM(12).
  LV_SESNAM = V_SESNAM.
*--Opening a session.
  CALL FUNCTION 'BDC_OPEN_GROUP'
   EXPORTING
     CLIENT                    = SY-MANDT
     GROUP                     = LV_SESNAM
     HOLDDATE                  = '20040805'
     KEEP                      = 'X'
     USER                      = SY-UNAME
     PROG                      = SY-CPROG
*  IMPORTING
*    QID                       =
   EXCEPTIONS
     CLIENT_INVALID            = 1
     DESTINATION_INVALID       = 2
     GROUP_INVALID             = 3
     GROUP_IS_LOCKED           = 4
     HOLDDATE_INVALID          = 5
     INTERNAL_ERROR            = 6
     QUEUE_ERROR               = 7
     RUNNING                   = 8
     SYSTEM_LOCK_ERROR         = 9
     USER_INVALID              = 10
     OTHERS                    = 11
  IF SY-SUBRC <> 0.
    WRITE :/ 'Session not open'.
  ENDIF.
ENDFORM.                    " FORM_OPENSESSION
*&      Form  FORM_INSERT
*       fORM TO INSERT ERROR RECOED INTO A SESSION.
FORM FORM_INSERT .
*--Inserting the record into session.
  CALL FUNCTION 'BDC_INSERT'
    EXPORTING
      TCODE                  = 'FD01'
*     POST_LOCAL             = NOVBLOCAL
*     PRINTING               = NOPRINT
*     SIMUBATCH              = ' '
*     CTUPARAMS              = ' '
    TABLES
      DYNPROTAB              = IT_CUSTBDC
    EXCEPTIONS
      INTERNAL_ERROR         = 1
      NOT_OPEN               = 2
      QUEUE_ERROR            = 3
      TCODE_INVALID          = 4
      PRINTING_INVALID       = 5
      POSTING_INVALID        = 6
      OTHERS                 = 7
  IF SY-SUBRC <> 0.
    WRITE :/ 'Unable to insert the record'.
  ENDIF.
ENDFORM.                    " FORM_INSERT
*&      Form  FORM_CLOSESESS
*       Form to Close the Open Session.
FORM FORM_CLOSESESS .
  CALL FUNCTION 'BDC_CLOSE_GROUP'
    EXCEPTIONS
      NOT_OPEN    = 1
      QUEUE_ERROR = 2
      OTHERS      = 3.
  IF SY-SUBRC <> 0.
  ENDIF.
ENDFORM.                    " FORM_CLOSESESS
*&      Form  FORM_FORMATMSG
*       Form to format messages.
FORM FORM_FORMATMSG .
*--Var to store the formatted msg.
  DATA : LV_MSG(255).
  CALL FUNCTION 'FORMAT_MESSAGE'
    EXPORTING
      ID        = SY-MSGID
      LANG      = SY-LANGU
      NO        = SY-MSGNO
      V1        = SY-MSGV1
      V2        = SY-MSGV2
      V3        = SY-MSGV3
      V4        = SY-MSGV4
    IMPORTING
      MSG       = LV_MSG
    EXCEPTIONS
      NOT_FOUND = 1
      OTHERS    = 2.
  IF SY-SUBRC = 0.
    WRITE :/ LV_MSG.
  ENDIF.
  ULINE.
ENDFORM.                    " FORM_FORMATMSG
*&      Form  form_writeop
*       To write the totals and the session name.
FORM FORM_WRITEOP .
  WRITE :/ 'Total Records Uploaded :',V_TLINES,
           / 'No of Error Records :',V_ELINES,
           / 'No of Success Records :',V_SLINES,
           / 'Name of the Session :',V_SESNAM.
  ULINE.
ENDFORM.                    " form_writeop