c# - 无法将[A] System.Web.WebPages.Razor.Configuration.HostSection强制转换为[B] System.Web.WebPages.Razor.Configuration.HostSection

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[A]System.Web.WebPages.Razor.Configuration.HostSection cannot be cast to… web.config issue
                                
                                    （6个答案）
                                
                        
                                3个月前关闭。
            
                    
使用nuget将mvc框架更新为5.2.2.0后出现此错误


  [A] System.Web.WebPages.Razor.Configuration.HostSection无法强制转换
  到[B] System.Web.WebPages.Razor.Configuration.HostSection。 A型
  源自“ System.Web.WebPages.Razor，版本= 2.0.0.0，
  在上下文中，文化=中性，PublicKeyToken = 31bf3856ad364e35'
  位置为“默认”
  'C：\ Windows \ Microsoft.Net \ assembly \ GAC_MSIL \ System.Web.WebPages.Razor \ v4.0_2.0.0.0__31bf3856ad364e35 \ System.Web.WebPages.Razor.dll'。
  类型B源自“ System.Web.WebPages.Razor，版本= 3.0.0.0，
  在上下文中，文化=中性，PublicKeyToken = 31bf3856ad364e35'
  位置为“默认”
  'C：\ Windows \ Microsoft.NET \ Framework \ v4.0.30319 \临时ASP.NET
  文件\ vs \ 36d3424f \ d8d844c3 \ assembly \ dl3 \ a0b68557 \ 24516c31_ea0dd001 \ System.Web.WebPages.Razor.dll'。


在web.config上

<appSettings>
    <add key="webpages:Version" value="3.0.0.0" />
  ...
  </appSettings>

    <runtime>
        <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
              <probing privatePath="Plugins/bin/" />
              <dependentAssembly>
                <assemblyIdentity name="FluentValidation" publicKeyToken="a82054b837897c66" culture="neutral" />
                <bindingRedirect oldVersion="0.0.0.0-3.4.0.0" newVersion="3.4.0.0" />
              </dependentAssembly>
              <dependentAssembly>
                <assemblyIdentity name="Autofac" publicKeyToken="17863af14b0044da" culture="neutral" />
                <bindingRedirect oldVersion="0.0.0.0-3.5.0.0" newVersion="3.5.0.0" />
              </dependentAssembly>
              <dependentAssembly>
                <assemblyIdentity name="WebGrease" publicKeyToken="31bf3856ad364e35" culture="neutral" />
                <bindingRedirect oldVersion="0.0.0.0-1.6.5135.21930" newVersion="1.6.5135.21930" />
              </dependentAssembly>
              <dependentAssembly>
                <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
                <bindingRedirect oldVersion="0.0.0.0-6.0.0.0" newVersion="6.0.0.0" />
              </dependentAssembly>
              <dependentAssembly>
                <assemblyIdentity name="EntityFramework" publicKeyToken="b77a5c561934e089" culture="neutral" />
                <bindingRedirect oldVersion="0.0.0.0-6.0.0.0" newVersion="6.0.0.0" />
              </dependentAssembly>
              <dependentAssembly>
                <assemblyIdentity name="Antlr3.Runtime" publicKeyToken="eb42632606e9261f" culture="neutral" />
                <bindingRedirect oldVersion="0.0.0.0-3.5.0.2" newVersion="3.5.0.2" />
              </dependentAssembly>
              <dependentAssembly>
                <assemblyIdentity name="System.Net.Http.Formatting" publicKeyToken="31bf3856ad364e35" culture="neutral" />
                <bindingRedirect oldVersion="0.0.0.0-5.2.2.0" newVersion="5.2.2.0" />
              </dependentAssembly>
              <dependentAssembly>
                <assemblyIdentity name="System.Web.Http" publicKeyToken="31bf3856ad364e35" culture="neutral" />
                <bindingRedirect oldVersion="0.0.0.0-5.2.2.0" newVersion="5.2.2.0" />
              </dependentAssembly>
              <dependentAssembly>
                <assemblyIdentity name="System.Web.Http.WebHost" publicKeyToken="31bf3856ad364e35" culture="neutral" />
                <bindingRedirect oldVersion="0.0.0.0-5.1.0.0" newVersion="5.1.0.0" />
              </dependentAssembly>
              <dependentAssembly>
                <assemblyIdentity name="System.Web.Helpers" publicKeyToken="31bf3856ad364e35" />
                <bindingRedirect oldVersion="1.0.0.0-3.0.0.0" newVersion="3.0.0.0" />
              </dependentAssembly>
              <dependentAssembly>
                <assemblyIdentity name="System.Web.WebPages" publicKeyToken="31bf3856ad364e35" />
                <bindingRedirect oldVersion="0.0.0.0-3.0.0.0" newVersion="3.0.0.0" />
              </dependentAssembly>
              <dependentAssembly>
                <assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35" />
                <bindingRedirect oldVersion="0.0.0.0-5.2.2.0" newVersion="5.2.2.0" />
              </dependentAssembly>
            </assemblyBinding>
</runtime>

最佳答案

我们有同样的问题。
通过应用两个修复程序来解决：
1）有2个web.config文件。需要在Root和View web.config文件中进行更改。
2）需要检查appsettings并检查下面的webpages标签。

关于c# - 无法将[A] System.Web.WebPages.Razor.Configuration.HostSection强制转换为[B] System.Web.WebPages.Razor.Configuration.HostSection ，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/27242339/