我是ASP .NET MVC的新手。我尝试使用Entity Framework，但由于没有找到EF，因此无法使用。我搜索了一个解决方案，并在另一篇文章中说我必须更改版本。我做到了，但是没有成功。
Web.config：
<configSections>
<!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
<section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.1.2.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
</configSections>
<connectionStrings>
<!--<add name="DefaultConnection" providerName="System.Data.SqlClient" connectionString="Data Source=(LocalDb)\v11.0;Initial Catalog=aspnet-SportsStore.WebUI-20150201211232;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|\aspnet-SportsStore.WebUI-20150201211232.mdf" />-->
<!--<add name="EFDbContext" providerName="System.Data.SqlClient" connectionString="Data Source=(localDb)\v11.0;Initial Catalog=SportsStore;Integrated Security=True" />-->
<add name="EFDbContext" providerName="System.Data.SqlClient" connectionString="Data Source=(LocalDb)\v11.0;Initial Catalog=aspnet-SportsStore.WebUI-20150201211232;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|\aspnet-SportsStore.WebUI-20150201211232.mdf" />
</connectionStrings>
那是来自浏览器的错误。
“ /”应用程序中的服务器错误。
Could not load file or assembly 'EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' or one of its dependencies. The located assembly's manifest definition does not match the …