protected override void OnActivated()

        {

            base.OnActivated();

            if (View.Id == "MyDashboardViewId")

            {

                foreach (DashboardViewItem item in View.GetItems<DashboardViewItem>())

                {

                    item.ControlCreated += Item_ControlCreated;

                }

            }

        }

        private void Item_ControlCreated(object sender, EventArgs e)

        {

            DashboardViewItem item = ((DashboardViewItem)sender);

            if (item.Frame.View.Id == "MyDashBoardDetailViewId")

            {

                dvcardno = (DetailView)item.Frame.View;

                IObjectSpace ios = dvcardno.ObjectSpace;

                var obj = ios.CreateObject<MyDashBoardDetailViewBO>();

                //可以给BO对应的属性赋值

                obj.billno= "编号";

                dvcardno.CurrentObject = obj;

                dvcardno.RefreshDataSource();

                dvcardno.ControlsCreated += Dvcardno_ControlsCreated;

            }

        }