点击button1怎么让listbox1里的items的值显示在text1里

Question

button1.Text = listBox1.SelectedItem.ToString()

Answer 1

button1.Text = listBox1.SelectedItem.Value//显示Value
button1.Text = listBox1.SelectedItem.Text//显示Text

Answer 2

private void Page_Load(object sender, System.EventArgs e)
{
if(!IsPostBack)
{
BindList();
}
} private void BindList()
{
ArrayList chData = new ArrayList();
chData.Add(new ListItem("A","1"));
chData.Add(new ListItem("B","2"));
chData.Add(new ListItem("C","3"));
chData.Add(new ListItem("D","4"));
this.ListBox1.DataSource=chData;
this.ListBox1.DataBind();
}                   private void Button1_Click(object sender, System.EventArgs e)
{
this.TextBox1.Text=this.ListBox1.SelectedItem.Text;
}

Answer 3

Button1_Click由Design页面Button双击而得,不能直接拷贝,因为会缺少委托!