一个需求是点击自写程序输出界面的一个按钮进入co11n货物移动的界面，其中就要求把生产订单号，产量，日期参数带上值。首先想到的是用
    SET PARAMETER ID 'ANR'  FIELD lw_cc_aufnr-aufnr.
    call TRANSACTION 'CO11N' AND SKIP FIRST SCREEN .
 但是，不幸发现产量没有PARAMETER ID，而且没有直接进入货物移动的界面，还要手工点击按钮或者再写code。最后的解决方法是，用bdc mode ‘E’：
    "bdc程序
         perform bdc1_dynpro      using 'SAPLCORU_S' '0100'.
         perform bdc1_field       using 'BDC_OKCODE'
                                          '/00'.
         perform bdc1_field       using 'BDC_CURSOR'
                                          'AFRUD-AUFNR'.
         perform bdc1_field       using 'AFRUD-AUFNR'
                                         lw_cc_aufnr-aufnr.
         perform bdc1_dynpro      using 'SAPLCORU_S' '0100'.
         perform bdc1_field       using 'BDC_OKCODE'
                                         '/00'.
         perform bdc1_field       using 'AFRUD-AUFNR'
                                         lw_cc_aufnr-aufnr.
         perform bdc1_field       using 'BDC_CURSOR'
                                        'AFRUD-LMNGA'.
         perform bdc1_field       using 'AFRUD-LMNGA'
                                         lw_cc_cl.
         perform bdc1_dynpro      using 'SAPLCORU_S' '0100'.
         perform bdc1_field       using 'BDC_OKCODE'
                                           '/00'.
         perform bdc1_field       using 'AFRUD-AUFNR'
                                         lw_cc_aufnr-aufnr.
         perform bdc1_field       using 'AFRUD-LMNGA'
                                         lw_cc_cl.
         perform bdc1_dynpro      using 'SAPLCORU_S' '0100'.
         perform bdc1_field       using 'BDC_OKCODE'
                                        '=MB03'.
         perform bdc1_field       using 'AFRUD-AUFNR'
                                        lw_cc_aufnr-aufnr.
         perform bdc1_field       using 'AFRUD-LMNGA'
                                         lw_cc_cl.
         perform bdc1_field       using 'BDC_CURSOR'
                                        'AFRUD-BUDAT'.
         perform bdc1_field       using 'AFRUD-BUDAT'
                                        lw_cc_budat.
         perform bdc1_dynpro      using 'SAPLCOWB' '0130'.
         perform bdc1_field       using 'BDC_CURSOR'
                              'COWB_COMP-CHARG(01)'.

          CLEAR:gt_messtab[],gt_messtab.
          CALL TRANSACTION 'CO11N' USING gt_bdcdata MODE 'E' .