程序目标：
实现DataGridView与BindingList<T>双向绑定。用户通过DataGridView修改值后立即更新BindList对象的值，代码修改BindList后立即更新DataGridView的显示。
实现环境：vs2017 C# WinForm
程序完整代码包：https://pan.baidu.com/s/1LLUxL1UyqNWkXkPF_LuEig
主要代码：
1 ///**************************************************************************** 2 /// CLR版本 ：4.0.30319.42000 3 /// 邮 箱 ：282780854@qq.com 4 /// 博 客 ：https://www.cnblogs.com/it89/ 5 /// 创 建 者 ：龙腾虎跃 6 /// 创建日期 ：2019/1/15 21:02:04 7 /// 功能描述 ： 8 /// 使用说明 ： 9 ///**************************************************************************** 10 using System; 11 using System.ComponentModel; 12 using System.Windows.Forms; 13 14 namespace TestDataGridViewBind 15 { 16 public partial class Form1 : Form 17 { 18 private DataGridView mDataGridView; 19 //private BindingSource mBindingSource; //绑定方式一需要的。 20 private Button mAddItemBtn; 21 private Button mChangeItemValueBtn; 22 private Button mDeleteItemBtn; 23 24 public BindingList<People> Peoples { get; set; } 25 26 public Form1() 27 { 28 this.Load += this.Form1_Load; 29 InitializeComponent(); 30 } 31 public void Form1_Load(object sender, EventArgs e) 32 { 33 //初始化mDataGridView对象 34 mDataGridView = new DataGridView(); 35 mDataGridView.AutoSize = true; 36 mDataGridView.Left = 10; 37 mDataGridView.Top = 40; 38 39 //初始化mAddItemBtn按钮。 40 this.mAddItemBtn = new Button(); 41 mAddItemBtn.Text = "Add People"; 42 mAddItemBtn.AutoSize = true; 43 mAddItemBtn.Left = 30; 44 mAddItemBtn.Top = 10; 45 mAddItemBtn.Click += this.mAddItemBtn_Click; 46 47 //初始化mDeleteItemBtn按钮 48 mDeleteItemBtn = new Button(); 49 mDeleteItemBtn.Text = "Delete Item"; 50 mDeleteItemBtn.AutoSize = true; 51 mDeleteItemBtn.Left = 120; 52 mDeleteItemBtn.Top = 10; 53 mDeleteItemBtn.Click += mDeleteItemBtn_Click; 54 55 //初始化mChangeItemValueBtn按钮。 56 mChangeItemValueBtn = new Button(); 57 mChangeItemValueBtn.Text = "Change Item Value"; 58 mChangeItemValueBtn.AutoSize = true; 59 mChangeItemValueBtn.Left = 220; 60 mChangeItemValueBtn.Top = 10; 61 mChangeItemValueBtn.Click += this.mChangeItemValueBtn_Click; 62 63 //初始化Form1。 64 this.Controls.Add(mDataGridView); 65 this.Controls.Add(mAddItemBtn); 66 this.Controls.Add(mDeleteItemBtn); 67 this.Controls.Add(mChangeItemValueBtn); 68 this.AutoSize = true; 69 this.Text = "DataGridView object binding demo"; 70 71 //初始化Peoples对象。 72 Peoples = new BindingList<People>(); 73 Peoples.Add(new People("张三", "北京", 25)); 74 Peoples.Add(new People("李四", "上海", 28)); 75 Peoples.Add(new People("王五", "深圳", 30)); 76 77 //绑定方式一：通过BindingSource对象把Peoples绑定到mDataGridView控件。 78 //mBindingSource = new BindingSource(); 79 //mBindingSource.DataSource = Peoples; 80 //mDataGridView.DataSource = mBindingSource; 81 82 //绑定方式二：直接通过mDataGridView.DataBindings绑定Peoples。Peoples不能引发改变通知事件，但是People类型继承了INotifyPropertyChanged接口，可以引发改变通知事件。 83 mDataGridView.DataBindings.Add("DataSource", this, "Peoples", false, DataSourceUpdateMode.OnPropertyChanged); 84 } 85 86 private void mAddItemBtn_Click(object sender, EventArgs e) 87 { 88 this.Peoples.Add(new Peo