public void BindddlSensor() { try{ List <ObjectSensorModel> li = OBJ.GetSensorByObjectId(Convert.ToInt32(ddlObject.SelectedValue)); if (li != null) { var list2 = li.Select(o => new { o.Name, o.ObjectSensorId }).Distinct(); BindingClass.BindDropDown(ddlSensor, list2, "Name", "ObjectSensorId", "ALL Routes"); } } catch (Exception) { BindingClass.ExceptionAlertScriptManager(this.Page, this.GetType()); } }