protected void AddedGrid_RowDeleting(object sender, GridViewDeleteEventArgs e) { var dataKey = AddedGrid.DataKeys[e.RowIndex]; if (dataKey == null) { return; } var serverId = (int)dataKey.Value; var departmentId = int.Parse(Request.QueryString[QueryStringParameters.DepartmentId]); _departmentDal.RemoveServer(departmentId, serverId); RefreshGrid(); }