Ajax2.0 'Sys'未定义的解决办法

Ajax2.0的Sys未定义解决

  Web.Config
  

    < assemblies >
      < add  assembly ="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />

    </ assemblies >
   </ compilation >
   < 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" />
   </ httpHandlers >

   
 在IIS中设置添加axd扩展名映射