linq To SQl之删除

       

  protected void gvUser_RowDeleting(object sender, DevExpress.Web.Data.ASPxDataDeletingEventArgs e)
        {
            Int32 UserID = (Int32)e.Keys["UserID"];

            //查询本条记录
            Casagroup.Entities.User user = eDataContext.User.First(c => c.UserID == UserID);

            eDataContext.User.DeleteOnSubmit(user);

            eDataContext.SubmitChanges();
            e.Cancel = true;
            this.gvUser.CancelEdit();
            BindUserInfo();
        }