protected void RadTreeList1_InsertCommand(object sender, TreeListCommandEventArgs e) { Hashtable table = new Hashtable(); TreeListEditableItem item = e.Item as TreeListEditableItem; item.ExtractValues(table); CoCauToChuc obj = new CoCauToChuc(); RadComboBox cbocaptochuc = (RadComboBox)item.FindControl("cboCapToChuc"); obj.IDCapToChuc = Convert.ToInt32(cbocaptochuc.SelectedValue); obj.NgayTao = obj.NgayCapNhat = DateTime.Now; obj.NguoiTao = obj.NguoiCapNhat = idUser; item.UpdateValues(obj); _entities.AddToCoCauToChucs(obj); _entities.SaveChanges(); }