怎么在Web上获得ListBox单击选项,并把它放在textBox中

Question

use javascript:<asp:ListBox onchange="this.form.elements['TextBox1'].value = this.options[this.selectedIndex].value" ...

Answer 1

AutoPostBack = true;
响应SelectedIndexChanged

Answer 2

<asp:ListBox id="ListBox1" AutoPostBack="true" OnSelectedIndexChanged="Index_Changed" ..>
 void Index_Changed(Object sender, EventArgs e) 
{
      foreach (ListItem li in ListBox1.Items)
      {
             if (li.Selected)
             {
                 TextBox1.Text = li.Value;
                 break;
              }
      }      //or TextBox1 = Request.Form[ListBox1.UniqueID];
      
      //TextBox1 = ListBox1.SelectedItem.Value
    }

Answer 3

foreach (ListItem Int_i in ListBox1.Items)
      {
             if (Int_i.Selected)
             {
                 TextBox1.Text = Int_i.Value;
               }
      }

Answer 4

不过要写在SelectedIndexChangedL里面，且设置LISTBOX.ANTOPOSTBACK=TRUE

Answer 5

要说的都说了，兄弟，帮你up...............
up.............