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 DisplayMemberValueMember{    public partial class Form1 : Form    {        public Form1()        {            InitializeComponent();        }        private void Form1_Load(object sender, EventArgs e)        {            Module m1=new Module();            m1.ID=1;            m1.DISPLAY="v1";            Module m2=new Module();            m2.ID=2;            m2.DISPLAY="v2";            List
     
       lm = new List
      
       ();            lm.Add(m1);            lm.Add(m2);            comboBox1.DataSource = lm;            comboBox1.DisplayMember = "ID";            comboBox1.ValueMember = "DISPLAY";        }        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)        {            textBox1.Text = ((Module)comboBox1.SelectedItem).DISPLAY;            textBox2.Text = ((Module)comboBox1.SelectedItem).ID.ToString();        }    }    public class Module    {        public Module()        {        }        int Id;        string display;        public int ID        {            set { Id = value; }            get { return Id; }        }        public string DISPLAY        {            set { display = value; }            get { return display; }        }    }}