how can find bulletlist box selected item

<form id="form1" runat="server">
   <div>
   <asp:Label ID="lbl" runat="server" />
 <asp:BulletedList ID="lst"  DisplayMode="LinkButton" runat="server" onclick="lst_Click" >
     <asp:ListItem>Item1</asp:ListItem>
     <asp:ListItem>Item2</asp:ListItem>
       </asp:BulletedList>
   </div>
   </form>

protected void lst_Click(object sender, BulletedListEventArgs e)
     {
         lbl.Text = lst.Items[e.Index].Value;
     }