Deletebutton 不会引发 OnRowDeleting 事件
我在运行时创建了devexpress gridview，它运行良好，直到单击删除按钮，当我单击它时，它不起作用。在调试时它不会触发“行删除”。我能做些什么？
dovizgrd.Width = Unit.Percentage(50);
dovizgrd.EnableCallBacks = false;
dovizgrd.Settings.ShowFooter = false;
dovizgrd.Settings.ShowColumnHeaders = false;
dovizgrd.Settings.ShowFilterBar = GridViewStatusBarMode.Hidden;
dovizgrd.SettingsPager.Visible = true;
dovizgrd.SettingsPager.Mode = GridViewPagerMode.ShowPager;
dovizgrd.Styles.Header.Wrap = DevExpress.Utils.DefaultBoolean.True;
dovizgrd.SettingsPager.PageSize = 10;
DevExpress.Web.ASPxGridView.GridViewCommandColumn col0 =
new DevExpress.Web.ASPxGridView.GridViewCommandColumn();
col0.ShowSelectCheckbox = true;
col0.Caption = " ";
col0.Width = Unit.Pixel(30);
col0.VisibleIndex = 0;
DevExpress.Web.ASPxGridView.GridViewDataTextColumn col1 =new DevExpress.Web.ASPxGridView.GridViewDataTextColumn();
col1.FieldName = "example1";
col1.Visible = false;
col1.VisibleIndex = 1;
DevExpress.Web.ASPxGridView.GridViewDataTextColumn col2 =
new DevExpress.Web.ASPxGridView.GridViewDataTextColumn();
col2.FieldName = "example2";
col2.Visible = false;
col2.VisibleIndex = 2;
DevExpress.Web.ASPxGridView.GridViewDataTextColumn col3 = new DevExpress.Web.ASPxGridView.GridViewDataTextColumn();
col3.FieldName = "example3";
col3.Caption = "Döviz Çeşidi";
col3.Width = Unit.Pixel(100);
col3.VisibleIndex = 3;
DevExpress.Web.ASPxGridView.GridViewCommandColumn col4 = new DevExpress.Web.ASPxGridView.GridViewCommandColumn();
col4.Caption = " ";
//col4.EditButton.Visible = false;
col4.DeleteButton.Visible = true;
//col4.NewButton.Visible = false;
col4.ButtonType = ButtonType.Image;
col4.DeleteButton.Image.Url = "~/Images/icons/delete.gif";
col4.Width = Unit.Pixel(35);
col4.VisibleIndex = 4;
dovizgrd.Columns.Add(col0);
dovizgrd.Columns.Add(col1);
dovizgrd.Columns.Add(col2);
dovizgrd.Columns.Add(col3);
dovizgrd.Columns.Add(col4);
grdPH.Controls.Add(dovizgrd);
dovizgrd.DataBind();
dovizgrd.RowDeleting += new DevExpress.Web.Data.ASPxDataDeletingEventHandler(grd_RowDeleting);