public CityAQIPublishLive getCityAir(int cityid)
{
CityAQIPublishLive r = null;
MyContext db = new MyContext();
r = db.CityAQIPublishLives.FirstOrDefault(a => a.CityCode == cityid);
db.Dispose();
return(r);
}
private static void showCityLive(CityAQIPublishLive cl)
{
var msg = String.Format("{0,10}|{1,5}|{2,8}|{3,14}|{4,12:g}", cl.Area, cl.AQI, cl.Quality, cl.PrimaryPollutant, cl.TimePoint);
Console.WriteLine(msg);
}