protected void grvTonGiao_InsertCommand(object sender, GridCommandEventArgs e) { GridEditableItem item = e.Item as GridEditableItem; Hashtable values = new Hashtable(); item.ExtractValues(values); TonGiao tg = new TonGiao(); tg.NgayTao = tg.NgayCapNhat = DateTime.Now; tg.NguoiTao = tg.NguoiCapNhat = idNhanVien; item.UpdateValues(tg); _entities.AddToTonGiaos(tg); _entities.SaveChanges(); }