编译错误:“版本高于参考程序集" [英] Compilation Error: "higher version than referenced assembly "

问题描述

我在查看页面上出现错误，因此尽管我正在开发mvc3，但我将我的visual studio更新为mvc4.我第一次使用NuGet进行了更新，但无法正常工作，我通过独立的MVC4进行了更新.这样就行了.但是，当我尝试运行MVC3项目时，出现以下错误:

I got error on my view page so I updated my visual studio to mvc4, though I am working on mvc3. I 1st updated using NuGet but it don't works so, I updated through standalone MVC4. so it worked. But when I tried to run MVC3 project it gives me following Error:

CS1705:程序集'MVC3Project，版本= 1.0.0.0，文化=中性， PublicKeyToken = null'使用'System.Web.Mvc，Version = 4.0.0.0， 文化=中性，PublicKeyToken = 31bf3856ad364e35'，其中 版本比参考程序集'System.Web.Mvc，Version = 3.0.0.0， 文化=中性，PublicKeyToken = 31bf3856ad364e35'

CS1705: Assembly 'MVC3Project, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' uses 'System.Web.Mvc, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' which has a higher version than referenced assembly 'System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'

有人可以帮我吗?

推荐答案

在Views文件夹中的web.config文件中，位于system.web.webPages.razor下的host元素

Inside the web.config file in the Views folder there is the host element under system.web.webPages.razor

对于MVC3项目，它应该如下所示:

This should be as follows for an MVC3 project:

<host factoryType="System.Web.Mvc.MvcWebRazorHostFactory, System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />

对于MVC4，它是:

<host factoryType="System.Web.Mvc.MvcWebRazorHostFactory, System.Web.Mvc, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />

对于MVC3，您还需要检查pages元素

You also need to check the pages element is as follows for MVC3

<pages
        validateRequest="false"
        pageParserFilterType="System.Web.Mvc.ViewTypeParserFilter, System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"
        pageBaseType="System.Web.Mvc.ViewPage, System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"
        userControlBaseType="System.Web.Mvc.ViewUserControl, System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
      <controls>
        <add assembly="System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" namespace="System.Web.Mvc" tagPrefix="mvc" />
      </controls>
    </pages>

和sectionGroup元素:

and the sectionGroup element:

<sectionGroup name="system.web.webPages.razor" type="System.Web.WebPages.Razor.Configuration.RazorWebSectionGroup, System.Web.WebPages.Razor, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
  <section name="host" type="System.Web.WebPages.Razor.Configuration.HostSection, System.Web.WebPages.Razor, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" />
  <section name="pages" type="System.Web.WebPages.Razor.Configuration.RazorPagesSection, System.Web.WebPages.Razor, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" />
</sectionGroup>

在项目根目录下的主web.config文件中，需要确保Assemblys元素如下:

In the main web.config in the root directory of the project you need to make sure that the assemblies element is as follows:

<assemblies>
        <add assembly="System.Web.Abstractions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
        <add assembly="System.Web.Helpers, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
        <add assembly="System.Web.Routing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
        <add assembly="System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
        <add assembly="System.Web.WebPages, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
      </assemblies>

还有更多要做的更改-最好的选择是查看MVC3项目和MVC4项目的web.config文件，并删除不应该存在的内容.

There are more changes to make - best bet is to look at the web.config files for an MVC3 project and an MVC4 project and remove the stuff that shouldn't be there in yours.

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