comboxのDispalyMemberとValueMember属性のテスト
4751 ワード
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<Module> lm = new List<Module>();
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; }
}
}
}