public void LoadAllCityStateZips()
        {
            Data.Repository respository = new Data.Repository();

            try
            {
                ObservableCollection<CityStateZip> cityStateZips = respository.GetAllCityStateZips();
            }
            catch (Exception ex)
            {
                throw ex;
            }

            try
            {
                this.CityStateZips = cityStateZips.ToViewModels();
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }