public void addWeatherDataDetail(WeatherDetailData data)
        {
            MsSqlHelper msSql = DbUtility.MsSqlHelper;

            try
            {
                wdatadetail.SqlHelper = msSql;
            }
            finally
            {
                msSql.Dispose();
            }
            wdatadetail.Add(data);
        }
        public List <WeatherCity> getWeatherCities()
        {
            MsSqlHelper msSql = DbUtility.MsSqlHelper;

            try
            {
                wcity.SqlHelper = msSql;
            }
            finally
            {
                msSql.Dispose();
            }
            List <WeatherCity> ret = wcity.GetAllCity();

            return(ret);
        }