[求助] At selection-screen ON ....

dreamgift

REPORT .

TYPES:
  BEGIN OF TYP_SCREEN,
    MATNR   TYPE MARA-MATNR,
    MTART   TYPE MARA-MTART,
  END   OF TYP_SCREEN.

DATA:
  ST_SCREEN TYPE TYP_SCREEN.

DATA:
  W_MTART   TYPE MARA-MTART.

SELECTION-SCREEN SKIP 1.
SELECT-OPTIONS S_MATNR FOR ST_SCREEN-MATNR.

PARAMETERS P_MTART TYPE TYP_SCREEN-MTART.

AT SELECTION-SCREEN ON S_MATNR.
  CALL FUNCTION 'GET_DYNP_VALUE'
    EXPORTING
      I_FIELD             = 'P_MTART'
      I_REPID             = SY-REPID
      I_DYNNR             = '1000'
    CHANGING
      O_VALUE             = W_MTART.

*  GET CURSOR FIELD P_MTART VALUE W_MTART.

START-OF-SELECTION.
  WRITE:
   /10 'W_MTART',
   020  W_MTART.

sarawishing

可以了，非常感谢！！
我把 SY-REPID 加了个 引号，所以就不行了