public WeatherApi weather_thread(string city)
        {
            var myWeatherTask = getWeather(city);

            myWeatherTask.Wait();
            WeatherApi myWeather = myWeatherTask.Result;


            string dataTime = DateTime.Now.ToString("dd/MM/yyyy HH:mm:ss");


            var contextOptions = new DbContextOptionsBuilder <WebApplication3Context>()
                                 .UseSqlServer("Server=(localdb)\\mssqllocaldb;Database=WebApplication3Context-6c28e34d-e6cb-4189-9bb9-60ff82f2a08f;Trusted_Connection=True;MultipleActiveResultSets=true")
                                 .Options;
            var context = new WebApplication3Context(contextOptions);

            var weath = new Models.weather();

            weath.name        = myWeather.name;
            weath.temp        = Math.Round(myWeather.main.temp - 273.15, 1);
            weath.datatime    = dataTime;
            weath.description = myWeather.weather[0].description;
            context.Add(weath);
            context.SaveChanges();


            return(myWeather);
        }
        public static async Task <WeatherApi> getWeather(string city)
        {
            string     call     = "http://api.openweathermap.org/data/2.5/weather?q=" + city + "&appid=08ba5dd31d0f7c44acd5ee3c8d364099";
            HttpClient client   = new HttpClient();
            string     response = await client.GetStringAsync(call);

            WeatherApi result = JsonConvert.DeserializeObject <WeatherApi>(response);

            return(result);
        }