ListBox Search Extender in Ajax

Listbox Searching technique in ajax with simple example

Asp 2.0 provide listbox control but one cannot seach in web application But the same is poosible in ajax
How To use:

In the Source code window type:

  <form id="form1" runat="server">
    <asp:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server">
    </asp:ToolkitScriptManager>
   
Click on me to search an item   
    <asp:ListBox ID="ListBox1" runat="server">
        <asp:ListItem>India</asp:ListItem>
        <asp:ListItem>Pakistan</asp:ListItem>
        <asp:ListItem>Afganistan</asp:ListItem>
        <asp:ListItem>america</asp:ListItem>
          <asp:ListItem>south Africa</asp:ListItem>
            <asp:ListItem>London</asp:ListItem>
              <asp:ListItem>USA</asp:ListItem>
                <asp:ListItem>China</asp:ListItem>
                  <asp:ListItem>Canada</asp:ListItem>
                    <asp:ListItem>Washington</asp:ListItem>
    </asp:ListBox>
    <asp:ListSearchExtender ID="ListBox1_ListSearchExtender" runat="server"
        Enabled="True"  PromptPosition="Top"  PromptText="Click on Listbox to search" 
        TargetControlID="ListBox1">
    </asp:ListSearchExtender>
   
       </form>


Here is the Code and its works .

what u need is just take a asp listbox control
Add an listbox extender with it u can specify the promptef text for the listbox searching

Note:The Code also work for dropDown Searching