//private ObservableCollection<Covid19> covid19 = new ObservableCollection<Covid19>(); public MainWindow() { InitializeComponent(); dataGridCovid.ItemsSource = LoadCovidData.GetDatas(); LoadCovidData loadCollectionData = new LoadCovidData(); //List<string> lists = GetCountryList(); cmbCountry.ItemsSource = GetCountryList(); }
private void btnDisplay_Click(object sender, RoutedEventArgs e) { //init dataGridCovid.ItemsSource = LoadCovidData.GetDatas(); LoadCovidData loadCollectionData = new LoadCovidData(); cmbCountry.Text = string.Empty; //cmbCountry.SelectedIndex = countries.GetCountryList(); //cmd.Parameters.AddWithValue("@country", this.cmbCountry.SelectedItem.ToString()); }