c#ハイパーリンクコントロール:HyperLink

HyperLink hlQuantity = e.Row.FindControl("hlVehicleSum") as HyperLink;
                hlQuantity.NavigateUrl = String.Format("NormativeAlarmSum_List.aspx?AlarmTime1={0}&EndTime2={1}&AlarmType={2}&AlarmState={3}&InternalId={4}&OwnerName={5}", dpAlarmTime1.Text, dpEndTime2.Text, ddlAlarmType.SelectedValue, ddlAlarmState.SelectedValue, ddlInternalId.SelectedValue, objQuantity.OwnerName);