MVC Razor视图Intellisense在VS 2013/2015/2017中损坏 [英] MVC Razor view Intellisense broken in VS 2013/2015/2017

问题描述

我有一个用VS2010编写的现有项目，该项目在VS2010中加载时效果很好.

I have an existing project written in VS2010 which when loaded in VS2010 works perfectly.

当我在VS2013中加载同一项目时，MVC Razor视图包含许多错误，就好像视图文件夹中缺少配置文件一样.

When I load this same project in VS2013 the MVC Razor views contain lots of errors as if the config file is missing from the views folder.

似乎没有使用根目录和views文件夹中的配置文件正确加载Razor编辑器，而是给了我类似...的错误

It appears to have not loaded the Razor editor correctly using the config files from both the root and the views folder and instead gives me errors like ...

The name 'model' does not exist in the current context

和...

'System.Web.WebPages.Html.HtmlHelper' does not contain a definition for 'LabelFor' 
and no extension method 'LabelFor' accepting a first argument of type 
'System.Web.WebPages.Html.HtmlHelper' could be found 
(are you missing a using directive or an assembly reference?)

...

有什么原因会导致这种情况吗?

Any idea what would cause this?

根据要求配置文件....

Config files as requested ....

从主web.config文件(不是全部，因为它太大了，无法发布)

From main web.config file (not all of it as it's way too big to post)

<runtime>
    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
        <dependentAssembly>
            <assemblyIdentity name="Ninject" culture="neutral" publicKeyToken="c7192dc5380945e7" />
            <bindingRedirect newVersion="3.0.0.0" oldVersion="0.0.0.0-3.0.0.0" />
        </dependentAssembly>
        <dependentAssembly>
            <assemblyIdentity name="Microsoft.Practices.EnterpriseLibrary.Validation" culture="neutral" publicKeyToken="31bf3856ad364e35" />
            <bindingRedirect newVersion="5.0.505.0" oldVersion="0.0.0.0-5.0.505.0" />
        </dependentAssembly>
        <dependentAssembly>
            <assemblyIdentity name="System.Web" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
            <bindingRedirect oldVersion="0.0.0.0-4.0.0.0" newVersion="4.0.0.0" />
        </dependentAssembly>
        <dependentAssembly>
            <assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35" />
            <bindingRedirect oldVersion="1.0.0.0-2.0.0.0" newVersion="3.0.0.0" />
        </dependentAssembly>
        <dependentAssembly>
            <assemblyIdentity name="Microsoft.Practices.ServiceLocation" publicKeyToken="31bf3856ad364e35" culture="neutral" />
            <bindingRedirect oldVersion="0.0.0.0-1.2.0.0" newVersion="1.2.0.0" />
        </dependentAssembly>
    </assemblyBinding>
</runtime>

〜/Views/"中的配置文件...

Config file in "~/Views/" ...

<?xml version="1.0"?>  
<configuration>
    <configSections>
        <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>
    </configSections>

    <system.web.webPages.razor>
        <host factoryType="System.Web.Mvc.MvcWebRazorHostFactory, System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
        <pages pageBaseType="System.Web.Mvc.WebViewPage">
            <namespaces>
                <add namespace="System.Web.Mvc" />
                <add namespace="System.Web.Mvc.Ajax" />
                <add namespace="System.Web.Mvc.Html" />
                <add namespace="System.Web.Routing" />
                <add namespace="Emedia.Common.Mvc.Views.Helpers"/>
                <add namespace="Emedia.Common.Mvc.Views.Extensions"/>
        <add namespace="Emedia.Common.Utilities"/>
        <add namespace="Emedia.Common.Utilities.Extensions"/> 
        <add namespace="Emedia.Common.Mvc.Controllers.Helpers"/>
                <add namespace="Emedia.Resources.Service"/>
        <add namespace="Emedia.Subscriber.Controllers"/>
        <add namespace="Emedia.Subscriber.Controllers.ViewModels"/>
            </namespaces>
        </pages>
    </system.web.webPages.razor>

    <appSettings>
        <add key="webpages:Enabled" value="false" />
    </appSettings>

    <system.web>
        <httpHandlers>
            <add path="*" verb="*" type="System.Web.HttpNotFoundHandler"/>
        </httpHandlers>
        <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>
</system.web>

<system.webServer>
    <validation validateIntegratedModeConfiguration="false" />

    <handlers>
        <remove name="BlockViewHandler"/>
        <add name="BlockViewHandler" path="*" verb="*" preCondition="integratedMode" type="System.Web.HttpNotFoundHandler" />
    </handlers>
</system.webServer>

推荐答案

我考虑编辑@ChrisMoschini的帖子，但认为它与众不同.我的问题是，我启动了一个新的MVC5应用程序，并盲目地复制了我想用作模板/起点的旧MVC3项目中太​​多的web.config设置.这样做导致我的web.config中引用了一些无效的版本.

I considered editing @ChrisMoschini's post, but thought it was different enough. My issue was that I started a new MVC5 application, and blindly copied over too many web.config settings from an old MVC3 project I wanted to use as a template/starting point. Doing this caused me to have some invalid versions referenced in my web.config.

要修复，我创建了另一个新的MVC5项目，并确保不良项目中的以下配置值与未修改的原始MVC5应用匹配. 同样，请勿盲目复制这些版本号.只需确保它们与您要开始使用的版本的原始MVC应用程序匹配即可

To fix, I created another new MVC5 project and made sure the following config values in my bad project matched the vanilla, unmodified MVC5 app. Again, do not blindly copy these version numbers. Just make sure they match a vanilla MVC app of the version that you're trying to get to work

在根web.config中:

<appSettings>
    ...
    <add key="webpages:Version" value="3.0.0.0"/> 
    ...
</appSettings>
<system.web>
    ...
    <compilation debug="true" targetFramework="4.5.1"/>
    <httpRuntime targetFramework="4.5.1"/>
    ...
</system.web>

中的

:

in the Views\Web.config:

<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>


<system.web.webPages.razor>
  ...
  <host factoryType="System.Web.Mvc.MvcWebRazorHostFactory, System.Web.Mvc, Version=5.2.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
  ...
</system.web.webPages.razor>

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