AjaxPro与ASP.NET AJAX1.0冲突的问题 急~~ 在线等

AjaxPro与ASP.NET AJAX1.0冲突的问题，VS2005装了微软Ajax.net 1.0后用AjaxPro异步请求出错未定义在网上找了好多资料都未能解决,请各位大侠帮忙
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;namespace demo
{
    public partial class Dlyetle : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            AjaxPro.Utility.RegisterTypeForAjax(typeof(demo.Dlyetle));
        }
        [AjaxPro.AjaxMethod]
        public string login(string username, string pwd)
        {
            if (username == "123" && pwd == "234")
            {
                return "Login Success!";
            }
            else
            {
                return "Login Failed!";
            }        }
    }
}
Html代码：<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
   
       <%-- <asp:ScriptManager ID="ScriptManager1" runat="server" />--%>
                    <script type="text/javascript">
    function Login(){
    var username=document.getElementById("TextBox1").value;
    var pwd=document.getElementById("TextBox2").value;
    demo.Dlyetle.login(username,pwd,login_callback);
    
    }
    function login_callback(response)
    {
        alert(response.value);
    }
    </script>
        <div>
            <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
            <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
            <input type="button" value="Login In" id="loginbtn" onclick="Login()" />
           
        
        </div>
    </form>
 
</body>
</html>
webconfig代码： <httpHandlers>
<remove verb="*" path="*.asmx"/>
<add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/>
<add verb="*" path="*_AppService.axd" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/>
<add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" validate="false"/>
      <add verb="POST,GET" path="*.ashx" type="AjaxPro.AjaxHandlerFactory,AjaxPro.2"/>
    </httpHandlers>
那里出问题了 请各位大象帮忙啊