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public Form1()
{
InitializeComponent();
Dictionary<int, string> dic = new Dictionary<int, string>();
dic.Add(1, "a");
dic.Add(2, "b");
foreach (var keyValue in dic)
{
this.comboBox1.Items.Add(keyValue);
}
DataTable dt = new DataTable();
dt.Columns.Add("ID", typeof(int));
dt.Columns.Add("Name", typeof(string));
dt.Rows.Add(new object[] { 0, "abc0" });
dt.Rows.Add(new object[] { 1, "abc1" });
dt.Rows.Add(new object[] { 2, "abc2" });
dt.Rows.Add(new object[] { 3, "abc3" });
dt.Rows.Add(new object[] { 4, "abc4" });
dt.Rows.Add(new object[] { 5, "abc5" });
comboBox2.DisplayMember = "Name";
comboBox2.ValueMember = "Id";
//comboBox2.SelectedIndex = 0;
comboBox2.DataSource = dt;
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
this.textBox1.Text = comboBox1.SelectedItem.ToString();
}
private void comboBox2_SelectedIndexChanged(object sender, EventArgs e)
{
this.textBox2.Text = comboBox2.SelectedValue.ToString() + " : " + comboBox2.Text.ToString();
}
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