在运行时（WPF）将新行添加到DataGrid

private void Window_Loaded(object sender, RoutedEventArgs e) {
    var list = DbService.GetStuffsFull();
    dataGrid.ItemsSource = list;
}

Stuff item = new Stuff();
dataGrid.Items.Add(item);

ItemsSource

Items

list

INotifyCollectionChanged

Add

Items

    dataGrid.Rows.Add(row);
    row[\"column1\"] = \"data1\";  
    row[\"column2\"] = \"data2\";
    row[\"column3\"] = \"data3\";

InitializeComponent();