using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;namespace AppForm{ public partial class Form3 : Form {  Order order = null;  public Form3()  {   InitializeComponent();   order = new Order()   {    Id = 1,    Customer = "123",    OrderDate = DateTime.Now   };   InitUI();  }  void InitUI()  {   textBox1.DataBindings.Add(new Binding("Text", order, "Id"));   textBox2.DataBindings.Add(new Binding("Text", order, "Customer"));   textBox3.DataBindings.Add(new Binding("Text", order, "OrderDate"));  }  void UpdateUI()  {   textBox1.DataBindings[0].ReadValue();   textBox2.DataBindings[0].ReadValue();   textBox3.DataBindings[0].ReadValue();  }  private void button1_Click(object sender, EventArgs e)  {   order.Id = 2;   order.Customer = "456";   order.OrderDate = DateTime.Now;   UpdateUI();  } }}