OO ALV 後台執行階段錯誤：Control Framework: Fatal error - GUI cannot be reached

標籤：

這個錯誤的原因，是GUI容器依賴GUI的存在，因為它是在後台運行，沒有GUI，因此控制錯誤。

可以通過做一些編碼繞過這個。

* ALV GridDATA: R_GRID TYPE REF TO CL_GUI_ALV_GRID.DATA: R_CONTROL TYPE REF TO CL_GUI_CUSTOM_CONTAINER.DATA: G_DOCK TYPE REF TO CL_GUI_DOCKING_CONTAINER.MODULE STATUS_0100 OUTPUT.  SET PF-STATUS ‘LISTOUT1‘.  SET TITLEBAR ‘LIST1‘.IF R_CONTROL IS INITIAL.* Check whether the program is run in batch or foreground（判斷是否後台運行）    IF CL_GUI_ALV_GRID=>OFFLINE( ) IS INITIAL.* Run in foreground      CREATE OBJECT R_CONTROL EXPORTING CONTAINER_NAME = ‘CONTAINER_1‘.      CREATE OBJECT R_GRID EXPORTING I_PARENT = R_CONTROL.    ELSE.* Run in background      CREATE OBJECT R_GRID EXPORTING I_PARENT = G_DOCK.    ENDIF.* Structure ZBA_MARA1 is defined in DDIC as linetype    CALL METHOD R_GRID->SET_TABLE_FOR_FIRST_DISPLAY      EXPORTING       I_STRUCTURE_NAME = ‘MARA‘      CHANGING       IT_OUTTAB = ITAB.  ENDIF.ENDMODULE. " STATUS_0100 OUTPUT

 

OO ALV 後台執行階段錯誤：Control Framework: Fatal error - GUI cannot be reached