public IList <ConferenceDTO> GetConferenceList(string organizerName)
 {
     return((from c in _confRepo.List(organizerName)
             select new ConferenceDTO
     {
         Id = c.Id,
         Name = c.Name,
         ApplicationUserId = c.ApplicationUserId,
         Street = (from a in _addressRepo.List()
                   where a.Id == c.AddressId
                   select a).FirstOrDefault().Street,
         City = (from a in _addressRepo.List()
                 where a.Id == c.AddressId
                 select a).FirstOrDefault().City,
         State = (from a in _addressRepo.List()
                  where a.Id == c.AddressId
                  select a).FirstOrDefault().State,
         Zip = (from a in _addressRepo.List()
                where a.Id == c.AddressId
                select a).FirstOrDefault().Zip,
         ImageUrl = c.ImageUrl,
         StartDate = c.StartDate,
         EndDate = c.EndDate
     }
             ).ToList());
 }