MyFirstMAUI/MyFirstMauiApp/WeatherClient/MainPage.xaml.cs

namespace WeatherClient
{
    public partial class MainPage : ContentPage
    {
        int count = 0;

        public MainPage()
        {
            InitializeComponent();
        }

        private async void btnRefresh_Clicked(object sender, EventArgs e)
        {
            btnRefresh.IsEnabled = false;
            actIsBusy.IsRunning = true;

            BindingContext = await Services.WeatherServer.GetWeather(txtPostalCode.Text);

            btnRefresh.IsEnabled = true;
            actIsBusy.IsRunning = false;
        }
    }

}