Get Server Error in SocialBootstrapApi

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1

Hi
I download and ScocialBootstrapApi Example and want to dig into Authentication feature, But I got these error when application start. I have updated packages. Could you have i look at it?

Server Error in ‘/’ Application.

[A]System.Web.WebPages.Razor.Configuration.HostSection cannot be cast to [B]System.Web.WebPages.Razor.Configuration.HostSection. Type A originates from ‘System.Web.WebPages.Razor, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35’ in the context ‘Default’ at location ‘C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.Web.WebPages.Razor\v4.0_2.0.0.0__31bf3856ad364e35\System.Web.WebPages.Razor.dll’. Type B originates from ‘System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35’ in the context ‘Default’ at location ‘C:\Users\yin\AppData\Local\Temp\Temporary ASP.NET Files\root\e985334e\d902319f\assembly\dl3\f124c39a\001477f2_83bdd001\System.Web.WebPages.Razor.dll’.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.InvalidCastException: [A]System.Web.WebPages.Razor.Configuration.HostSection cannot be cast to [B]System.Web.WebPages.Razor.Configuration.HostSection. Type A originates from ‘System.Web.WebPages.Razor, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35’ in the context ‘Default’ at location ‘C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.Web.WebPages.Razor\v4.0_2.0.0.0__31bf3856ad364e35\System.Web.WebPages.Razor.dll’. Type B originates from ‘System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35’ in the context ‘Default’ at location ‘C:\Users\yin\AppData\Local\Temp\Temporary ASP.NET Files\root\e985334e\d902319f\assembly\dl3\f124c39a\001477f2_83bdd001\System.Web.WebPages.Razor.dll’.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[InvalidCastException: [A]System.Web.WebPages.Razor.Configuration.HostSection cannot be cast to [B]System.Web.WebPages.Razor.Configuration.HostSection. Type A originates from ‘System.Web.WebPages.Razor, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35’ in the context ‘Default’ at location ‘C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.Web.WebPages.Razor\v4.0_2.0.0.0__31bf3856ad364e35\System.Web.WebPages.Razor.dll’. Type B originates from ‘System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35’ in the context ‘Default’ at location ‘C:\Users\yin\AppData\Local\Temp\Temporary ASP.NET Files\root\e985334e\d902319f\assembly\dl3\f124c39a\001477f2_83bdd001\System.Web.WebPages.Razor.dll’.]
System.Web.WebPages.Razor.WebRazorHostFactory.GetRazorSection(String virtualPath) +151
System.Web.WebPages.Razor.WebRazorHostFactory.CreateHostFromConfig(String virtualPath, String physicalPath) +210
System.Web.WebPages.Razor.WebRazorHostFactory.CreateHostFromConfig(String virtualPath) +38
System.Web.WebPages.Razor.RazorBuildProvider.GetHostFromConfig() +51
System.Web.WebPages.Razor.RazorBuildProvider.CreateHost() +57
System.Web.WebPages.Razor.RazorBuildProvider.get_Host() +56
System.Web.WebPages.Razor.RazorBuildProvider.EnsureGeneratedCode() +77
System.Web.WebPages.Razor.RazorBuildProvider.get_CodeCompilerType() +54
System.Web.Compilation.BuildProvider.GetCompilerTypeFromBuildProvider(BuildProvider buildProvider) +59
System.Web.Compilation.BuildProvidersCompiler.ProcessBuildProviders() +209
System.Web.Compilation.BuildProvidersCompiler.PerformBuild() +30
System.Web.Compilation.BuildManager.CompileWebFile(VirtualPath virtualPath) +9995009
System.Web.Compilation.BuildManager.GetVPathBuildResultInternal(VirtualPath virt

Yin

2

fix by update version of dll. Version=2.0.0.0=> Version=3.0.0.0

<configuration>
  <configSections>
    <sectionGroup name="system.web.webPages.razor" type="System.Web.WebPages.Razor.Configuration.RazorWebSectionGroup, System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
      <section name="host" type="System.Web.WebPages.Razor.Configuration.HostSection, System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" />
      <section name="pages" type="System.Web.WebPages.Razor.Configuration.RazorPagesSection, System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" />
    </sectionGroup>
  </configSections>