using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms;namespace WindowsApplication2 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { comboBox1.Items.Add("hello"); comboBox1.Items.Add("world"); } private void comboBox_SelectChanged(Object sender, EventArgs e) { MessageBox.Show(comboBox1.SelectedItem.ToString()); } } }
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;namespace WindowsApplication2
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
} private void Form1_Load(object sender, EventArgs e)
{
comboBox1.Items.Add("hello");
comboBox1.Items.Add("world");
} private void comboBox_SelectChanged(Object sender, EventArgs e)
{
MessageBox.Show(comboBox1.SelectedItem.ToString());
}
}
}
comboBox1.DisplayMember = "name";
comboBox1.ValueMember = "Id";
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
MessageBox.Show(comboBox1.SelectedValue.ToString());
}