public ContentResult Edit(Enter enter, List <EnterItem> items) { string result = "{success:false,Id:1}"; try { enter.EnterItem.AddRange(items); Enter row = dao.FindById(enter.Id); dao.DeleteItems(row.EnterItem); row.InjectFrom(enter); dao.Update(); result = "{success:true}"; } catch { } return(new ContentResult { Content = result }); }