Context

 private List<string> _bundeslaender;
        public List<string> Bundeslaender
        {
            get { return _bundeslaender; }
            set { _bundeslaender = value; }
        }

 using (var lands = new KundenContext())
            {
                Bundeslaender = lands.Bundeslands.OrderBy(a => a.Bundesland).Select(a => a.Bundesland).ToList();

            }