Engage.Survey.Entities.SurveyRepository.LoadResponses C# (CSharp) Method

        public IQueryable<IGrouping<ResponseHeader, Response>> LoadResponses(int surveyId)
        {
            var responses = from response in this.Context.Responses
                            where response.SurveyId == surveyId
                                  && response.UserResponse != null
                            orderby response.QuestionRelativeOrder
                            select response;

            return from response in responses
                   group response by response.ResponseHeader into responsesByHeader
                   orderby responsesByHeader.Key.CreationDate descending
                   select responsesByHeader;
        }