public CensusJoin JoinService(string service)
        {
            var newJoin = new CensusJoin(service);

            Join.Add(newJoin);
            return(newJoin);
        }
        public CensusJoin JoinService(string service)
        {
            var newJoin = new CensusJoin(service);

            if (Join == null)
            {
                Join = new List <CensusJoin>();
            }

            Join.Add(newJoin);
            return(newJoin);
        }