partial void DeleteResponseData(ResponseData instance);
 partial void InsertResponseData(ResponseData instance);
 partial void UpdateResponseData(ResponseData instance);
 private void detach_ResponseDatas(ResponseData entity)
 {
     this.SendPropertyChanging();
     entity.SurveyData = null;
 }
 partial void DeleteResponseData(ResponseData instance);
 partial void UpdateResponseData(ResponseData instance);
 partial void InsertResponseData(ResponseData instance);
		private void detach_ResponseDatas(ResponseData entity)
		{
			this.SendPropertyChanging();
			entity.SurveyData = null;
		}