i added ajax combo box to my page, but i have 2 problems.

1- i can not type in that.

2- when i type in that , it automatically find matched words.
for example when i type "j" , it finds "jack".

```
<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs"  Inherits="_Default" %>

<%@ Register assembly="AjaxControlToolkit" namespace="AjaxControlToolkit" tagprefix="asp" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Untitled Page</title>
    </head>
   <body>
<form id="form1" runat="server">
<div>

    <asp:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server"></asp:ToolkitScriptManager>
    <asp:UpdatePanel ID="UpdatePanel1" runat="server">
    <ContentTemplate>

    <asp:ComboBox ID="ComboBox1" runat="server" AutoCompleteMode="SuggestAppend" 
            DropDownStyle="DropDownList" 

              style="display: inline;">
        <asp:ListItem>masoud</asp:ListItem>
        <asp:ListItem>jack</asp:ListItem>
    </asp:ComboBox>

    </ContentTemplate>
</asp:UpdatePanel>
</div>
</form>

```