錯誤頁面

系統錯誤訊息 : 並未將物件參考設定為物件的執行個體 SOURCE:CourseMap FORM: QUERYSTRING: RESAION:Void Page_Init(System.Object, System.EventArgs) TRACE: 於 CourseMapNS.Students.CourseDetail.Page_Init(Object sender, EventArgs e) 於 System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) 於 System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) 於 System.Web.UI.Control.OnInit(EventArgs e) 於 System.Web.UI.Page.OnInit(EventArgs e) 於 System.Web.UI.Control.InitRecursive(Control namingContainer) 於 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) TIME:下午 04:38:12