[Resolvido] Ajax + ScriptManager + problemas

Tenho um IIS 6 em um windows server 2003, nele estão instalados:

• ASP.NET AJAX 1.0 Link
• Versao do ASP NET 2.0.50727

O grande problema é que estou usando o ScriptManager em uma das minhas páginas e ta dando problema.

ASPX.CS

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Collections.Generic;
using Popweb.CmsCsharp.CMS;
using Popweb.CmsCsharp.ADM;
using System.Text.RegularExpressions;

E NO ASPX

<%@ Page Language="C#" AutoEventWireup="true" MasterPageFile="../../app_include/master/CMS.Master" Inherits="Popweb.CmsCsharp.Web.cms.ContentEdit" %>

<asp:ScriptManager EnablePartialRendering="false" runat="server" ID="smMaster"></asp:ScriptManager>
E NO WEBCONFIG

n="1.0"?>
	<configuration>
 <configSections>
 <sectionGroup name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35">
 <sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35">
 <section name="scriptResourceHandler" type="System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" requirePermission="false" allowDefinition="MachineToApplication"/>
 <sectionGroup name="webServices" type="System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35">
 <section name="jsonSerialization" type="System.Web.Configuration.ScriptingJsonSerializationSection, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" requirePermission="false" allowDefinition="Everywhere" />
 <section name="profileService" type="System.Web.Configuration.ScriptingProfileServiceSection, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" requirePermission="false" allowDefinition="MachineToApplication" />
 <section name="authenticationService" type="System.Web.Configuration.ScriptingAuthenticationServiceSection, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" requirePermission="false" allowDefinition="MachineToApplication" />
 </sectionGroup>
 </sectionGroup>
 </sectionGroup>
 </configSections>

 <connectionStrings>
 <add name="PopwebSQLServer" connectionString="Data Source=SVN\SQLEXPRESS;Initial Catalog=base;User Id=sa;Password=tempteste12E;" providerName="System.Data.SqlClient" />
 </connectionStrings>

 <system.web>
 <customErrors mode="Off"/>
 <authentication mode="None"/>
 <httpRuntime maxRequestLength="111000"/>
<compilation debug="true"/>

 <pages>
<controls>
 <add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/>
 </controls>
 </pages>

 </system.web>

 <system.webServer>
	<validation validateIntegratedModeConfiguration="false"/>
	<modules>
 <add name="ScriptModule" preCondition="integratedMode" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/>
	</modules>
	<handlers>
 <remove name="WebServiceHandlerFactory-ISAPI-2.0"/>
 <add name="ScriptHandlerFactory" verb="*" path="*.asmx" preCondition="integratedMode"
 type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/>
 <add name="ScriptResource" verb="GET" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
	</handlers>
 </system.webServer>

</configuration>

Já tentei colocar algumas coisas no meu Web.config que sugerem em http://www.asp.net/AJAX/Documentation/Live...ASPNETAJAX.aspx mas nao rolou.

Queria saber se alguem sabe oq devo colocar no webconfig ou alguma DLL que devo colocar na pasta BIN.

O erro que esta dando:

>
Erro do Analisador

Descrição: Erro ao analisar um recurso necessário para atender esta solicitação. Examine os detalhes específicos do erro de análise e modifique o arquivo de origem apropriadamente.

Mensagem de Erro do Analisador: A classe base inclui o campo 'smMaster', mas seu tipo (System.Web.UI.ScriptManager) não é compatível com o tipo de controle (System.Web.UI.ScriptManager).

Erro de Origem:

Linha 102: <div class="info">(50 Arquivos relacionados)</div>

Linha 103: </div>

Linha 104: <asp:ScriptManager EnablePartialRendering="false" runat="server" ID="smMaster"></asp:ScriptManager>

Linha 105:

Linha 106:

Arquivo de Origem: /cms/app_content/cms/ContentEdit.aspx Linha: 104

Informações sobre a Versão: Microsoft .NET Framework Versão:2.0.50727.3082; Versão do ASP.NET:2.0.50727.3082