Microsoft JScript 运行时错误: 'Sys' 未定义 解决方案

使用ajax的scriptmanager控件是产生此错误的状况，解决方案是向项目所在webconfig 的<system.web>节点下添加以下代码：html

 

1     <httpHandlers>
2     <remove verb="*" path="*.asmx"/>
3     <add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/>
4     <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"/>
5   </httpHandlers>
6 
7   <httpModules>
8     <add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/>
9   </httpModules>