public ReadonlySurvey LoadReadOnlySurvey(int responseHeaderId, int moduleId)
{
return (from response in this.LoadReadOnlySurveys()
join surveyDefinition in this.Context.Surveys on response.SurveyId equals surveyDefinition.SurveyId
where response.ResponseHeaderId == responseHeaderId
&& surveyDefinition.ModuleId == moduleId
select response).SingleOrDefault();
}