oo alv重排序造成计数器字段混乱的解决办法

就是AFTER_USER_COMMAND这个事件，开始以为是USER_COMMAND，试了半天也没反应。后来看了以前FM ALV同样问题的解决办法，受了点启发，估计是AFTER_USER_COMMAND这个事件，一试果然是。

 

CLASS LCL_EVENT DEFINITION.
  PUBLIC SECTION.
    METHODS:
      HANDLE_AFTER_USER_COMMAND FOR EVENT AFTER_USER_COMMAND OF CL_GUI_ALV_GRID
           IMPORTING E_UCOMM.
ENDCLASS.                    "LCL_EVENT DEFINITION

 

CLASS LCL_EVENT IMPLEMENTATION.

  METHOD HANDLE_AFTER_USER_COMMAND.
    CASE E_UCOMM.
      WHEN '&SORT_ASC' OR '&SORT_DSC'.
        LOOP AT IT_OUTPUT ASSIGNING .
          -INDEX = SY-TABIX.
        ENDLOOP.
    ENDCASE.
  ENDMETHOD.                   

ENDCLASS.                    "LCL_EVENT IMPLEMENTATION