C#中WPF中使用ObservableCollection绑定XamDataGrid

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;


namespace WpfApplication17
{
    ///

    /// Window1.xaml 的交互逻辑
    ///

    public partial class Window1 : Window
    {
        List ModeStudents;


        public ObservableCollection Students { get; set; }


        public MyBindingList Students1 { get; set; }


        public Window