csharp: Data binding in WPF DataGrid control

<Window x:Class="WpfProjectDemo.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525" xmlns:dxlc="http://schemas.devexpress.com/winfx/2008/xaml/layoutcontrol">
    <Grid>
        <DataGrid AutoGenerateColumns="False" Height="59" HorizontalAlignment="Left" Margin="50,39,0,0" Name="dataGrid1" VerticalAlignment="Top" Width="272" MinRowHeight="20" MinHeight="10" Loaded="dataGrid1_Loaded">
        <DataGrid.Columns>
                <DataGridTextColumn Binding="{Binding Path=id}" Header="序号" FontWeight="Bold"/>
                <DataGridTextColumn Binding="{Binding Path=name}" Header="姓名"/>

        </DataGrid.Columns>
         </DataGrid>
        <DataGrid AutoGenerateColumns="False" Height="112" HorizontalAlignment="Left" Margin="47,148,0,0" Name="dataGrid2" VerticalAlignment="Top" Width="326" Loaded="dataGrid2_Loaded">
            <DataGrid.Columns>
                <DataGridTextColumn Binding="{Binding Path=ID}" Header="序号" FontWeight="Bold"/>
                <DataGridTextColumn Binding="{Binding Path=Name}" Header="姓名"/>
                <DataGridTextColumn Binding="{Binding Path=BookTitle}" Header="书藉名称" FontWeight="Bold"/>
                <DataGridTextColumn Binding="{Binding Path=CreatDate}" Header="创作日期"/>
                <DataGridTextColumn Binding="{Binding Path=IsMVP}" Header="是否MVP" FontWeight="Bold"/>
                
            </DataGrid.Columns>


        </DataGrid>
        
    </Grid>
</Window>


using System;
using System.Collections.Generic;
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.Navigation;
using System.Windows.Shapes;
using System.Data;

namespace WpfProjectDemo
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
        DataTable setData()
        {
            DataTable dt = new DataTable();
            dt.Columns.Add("id", typeof(int));
            dt.Columns.Add("name", typeof(string));
            dt.Rows.Add(1, "geovindu");
            dt.Rows.Add(2, "涂聚文");
            return dt;
        }


        /// <summary>
        /// 
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();
            
        }


        /// <summary>
        /// List of Authors
        /// </summary>
        /// <returns></returns>
        private List<Author> LoadCollectionData()
        {
            List<Author> authors = new List<Author>();
            authors.Add(new Author()
            {
                ID = 101,
                Name = "Geovin Du",
                BookTitle = "Graphics Programming with GDI+",
                CreatDate = new DateTime(1975, 2, 23),
                IsMVP = false
            });
            authors.Add(new Author()
            {
                ID = 201,
                Name = "涂聚文",
                BookTitle = "Programming C#",
                CreatDate = new DateTime(1982, 4, 12),
                IsMVP = true
            });
            authors.Add(new Author()
            {
                ID = 244,
                Name = "塗聚文",
                BookTitle = "LINQ in Vista",
                CreatDate = new DateTime(1985, 9, 11),
                IsMVP = true
            });
            return authors;
        }
        /// <summary>
        /// 
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void dataGrid1_Loaded(object sender, RoutedEventArgs e)
        {
           // var grid = sender as DataGrid;
           // grid.ItemsSource = LoadCollectionData();
           //this.dataGrid1.ItemsSource = LoadCollectionData();
           this.dataGrid1.ItemsSource = setData().DefaultView;
        }
        /// <summary>
        /// 
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void dataGrid2_Loaded(object sender, RoutedEventArgs e)
        {
            this.dataGrid2.ItemsSource = LoadCollectionData();
        }


    }



    public class Author
    {
        public int ID { get; set; }
        public string Name { get; set; }
        public DateTime CreatDate { get; set; }
        public string BookTitle { get; set; }
        public bool IsMVP { get; set; }
    }
}