构建ASP.NET AJAX开发环境

<system.web>
<httpModules>
<add name="ScriptModule" 
      type="System.Web.Handlers.ScriptModule, System.Web.Extensions,
Version=1.0.61025.0, Culture=neutral, 
      PublicKeyToken=31bf3856ad364e35"/>
</httpModules>
</system.web>

<system.web.extensions>
<scripting>
<webServices>
<!-- 定制 maxJsonLength 并添加一个定制的 JSON 转换程序。 -->
<!--
<jsonSerialization maxJsonLength="500">
<converters>
<add name="ConvertMe"
type="Acme.SubAcme.ConvertMeTypeConverter"/>
</converters>
</jsonSerialization>
-->
<!-- 使论证服务可用，如果合适包括 requireSSL="true" 。-->
<!--
<authenticationService enabled="true" requireSSL = "true|false"/>
-->
<!-- 使个性化服务可用。要允许在 ASP.NET AJAX 应用程序中获取或修改个性化属性，
需要将每个属性的名称添加到 readAccessProperties 和 writeAccessProperties 属性中。 -->
<!--
<profileService enabled="true"
readAccessProperties="propertyname1,propertyname2"
writeAccessProperties="propertyname1,propertyname2" />
-->
</webServices>
<!-- 开启对客户端脚本文件的压缩或缓存的支持。 -->
<!--
<scriptResourceHandler enableCompression="true"
enableCaching="true" />
-->
</scripting>
</system.web.extensions> 

<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="ScriptHandlerFactoryAppServices" verb="*"
path="*_AppService.axd" preCondition="integratedMode"
type="System.Web.Script.Services.ScriptHandlerFactory,
System.Web.Extensions, Version=1.0.61025.0, Culture=neutral,
PublicKeyToken=31bf3856ad364e35"/>
<add name="ScriptResource" preCondition="integratedMode"
verb="GET,HEAD" path="ScriptResource.axd"
type="System.Web.Handlers.ScriptResourceHandler,
System.Web.Extensions, Version=1.0.61025.0, Culture=neutral,
PublicKeyToken=31bf3856ad364e35" />
</handlers>
</system.webServer>