“System.Web.Script.Services”不包含任何公共成员或无法找到

我发现我得到一个编译器警告消息：“System.Web.Script.Services”不包含任何公共成员或无法找到

警告：BC40056：命名空间或类型指定导入'System.Web.Script.Services'不包含任何公共成员或无法找到。确保命名空间或类型已定义并且至少包含一个公共成员。确保导入的元素名称不使用任何别名。

以下是web.config文件中的部分....是否system.web.extensions没有照顾到这一点？

<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"/> 
      <section name="roleService" type="System.Web.Configuration.ScriptingRoleServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/> 
     </sectionGroup> 
     </sectionGroup> 
    </sectionGroup> 
</configSections> 
    <system.web> 


<compilation debug="true" strict="false" explicit="true"> 
    <assemblies> 
    <add assembly="System.Web.Extensions.Design, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/> 
    </assemblies> 
</compilation> 

<globalization requestEncoding="ISO-8859-1" responseEncoding="ISO-8859-1"/> 
<httpRuntime executionTimeout="60" maxRequestLength="2048" /> 

<webServices> 
    <protocols> 
    <remove name="HttpSoap"/> 
    <remove name="HttpPost"/> 
    <remove name="HttpGet"/> 
    <remove name="HttpPostLocalhost"/> 
    <remove name="Documentation"/> 
    <add name="HttpSoap"/> 
    <add name="HttpPost"/> 
    <add name="HttpGet"/> 
    <add name="HttpPostLocalhost"/> 
    <add name="Documentation"/> 
    </protocols> 
</webServices> 


<sessionState mode="InProc" cookieless="false" timeout="70"/> 
<customErrors mode="Off"/> 
<pages> 
    <controls> 
    <add tagPrefix="asp" namespace="System.Web.UI.WebControls" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/> 
    <add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/> 
    </controls> 
</pages> 

<authentication mode="Forms"> 

    <forms defaultUrl="dashboard.aspx" loginUrl="index.aspx" slidingExpiration="true" timeout="60"> 

    </forms> 

</authentication>

来源

2012-01-02 thegunner

现在好了解决。创建了新的asp.net 3.5网站，并将与system.web.extensions相关的几个部分复制并粘贴到活动网站中。

来源

2012-01-02 18:14:51 thegunner

“System.Web.Script.Services”不包含任何公共成员或无法找到

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