public class Task { public string Name { get; set; } public int Priority { get; set; } } ObservableCollection<Task> _tasks = null; public MainWindow() { InitializeComponent(); _tasks = new ObservableCollection<Task>() { new Task() { Name = "Shopping",Priority = 2 }, new Task() { Name = "Laundry",Priority = 2 }, new Task() { Name = "Email",Priority = 1 }, new Task() { Name = "Writting",Priority = 2 }, new Task() { Name = "Learning",Priority = 2 }, new Task() { Name = "Working",Priority = 2 }, }; DataContext = _tasks; }