在<configuration />中加入以下声明

<

configuration

>

  

<

configSections

>

    

<

sectionGroup 

name

=

"system.web.extensions" 

type

=

"System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"

>

      

<

sectionGroup 

name

=

"scripting" 

type

=

"System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"

>

        

<

section 

name

=

"scriptResourceHandler" 

type

=

"System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" 

requirePermission

=

"false" 

allowDefinition

=

"MachineToApplication"

/>

        

<

sectionGroup 

name

=

"webServices" 

type

=

"System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"

>

          

<

section 

name

=

"jsonSerialization" 

type

=

"System.Web.Configuration.ScriptingJsonSerializationSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" 

requirePermission

=

"false" 

allowDefinition

=

"Everywhere" 

/>

          

<

section 

name

=

"profileService" 

type

=

"System.Web.Configuration.ScriptingProfileServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" 

requirePermission

=

"false" 

allowDefinition

=

"MachineToApplication" 

/>

          

<

section 

name

=

"authenticationService" 

type

=

"System.Web.Configuration.ScriptingAuthenticationServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" 

requirePermission

=

"false" 

allowDefinition

=

"MachineToApplication" 

/>

        

</

sectionGroup

>

      

</

sectionGroup

>

    

</

sectionGroup

>

  

</

configSections

>