blocks|key|3141245|text|您可以在Visual+Studio+2010、2012和2013+(引用管理器)中程序集下的扩展组中找到这些程序集。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3141246|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

You will find these assemblies in the Extensions group under Assemblies in Visual Studio 2010, 2012 &amp; 2013 (Reference Manager)

blocks|key|3141484|text|总结VS2017的所有选项，WebHelpers是通过在以前版本的Visual+Studio中安装MVC来安装的。如果你得到这个错误，你可能没有安装旧版本的VS。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3141485|因此，安装Microsoft.AspNet.MVC+NuGet包需要Microsoft.AspNet.WebPages和Microsoft.AspNet.Razor，而Microsoft.AspNet.WebPages包含System.Web.Helpers.dll。|offset|length|style|CODE|3141486|如果您有对System.Web.Mvc.dll的直接引用，并且您不想将NuGet用于MVC，那么您可以获得Microsoft.AspNet.WebPages+NuGet，或者有一些其他只包含System.Web.Helpers.dll的NuGet包，如microsoft-web-helpers或System-Web-Helpers.dll包。|3141487|System.Web.Helpers.dll似乎有两个版本，一个用于.Net+4.0，另一个用于4.5。选择正确的MVC或AspNet.WebPages版本将确保您获得正确的版本。|3141488|entityMap^0|0|5|K|Y|P|1O|M|2C|P|33|M|0|1H|P|2N|M|3I|L|44|M|0|0|M|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@$D|P|E|Q|F|G]|$D|R|E|S|F|G]|$D|T|E|U|F|G]|$D|V|E|W|F|G]|$D|X|E|Y|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|Z|8|@$D|10|E|11|F|G]|$D|12|E|13|F|G]|$D|14|E|15|F|G]|$D|16|E|17|F|G]]|9|@]|A|$]]|$1|J|3|K|5|6|7|18|8|@$D|19|E|1A|F|G]]|9|@]|A|$]]|$1|L|3|-4|5|6|7|1B|8|@]|9|@]|A|$]]]|M|$]]

To sum up all of the options for VS 2017, WebHelpers was installed by installing MVC in previous versions of Visual Studio. If you're getting this error, you probably don't have the older versions of VS installed anymore.

So, installing the <code>Microsoft.AspNet.MVC</code> NuGet package will require <code>Microsoft.AspNet.WebPages</code> and <code>Microsoft.AspNet.Razor</code>, and the <code>Microsoft.AspNet.WebPages</code> includes <code>System.Web.Helpers.dll</code>.

If you've got direct references to System.Web.Mvc.dll and you don't want to use NuGet for MVC, you can get the <code>Microsoft.AspNet.WebPages</code> NuGet, or there are some other NuGet packages that only contain <code>System.Web.Helpers.dll</code>, like the <code>microsoft-web-helpers</code> or <code>System-Web-Helpers.dll</code>packages.

There appear to be 2 versions of <code>System.Web.Helpers.dll</code>, one for .Net 4.0 and one for 4.5. Choosing the correct version of MVC or AspNet.WebPages will ensure you get the right one.

blocks|key|246839|text|至于VS2017，我没有在“扩展”中找到它，有一个叫做"microsoft-web-helpers“的Nuget包，看起来相当于System.Web.Helpers。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|246840|entityMap|0|LINK|mutability|MUTABLE|url|https://www.nuget.org/packages/microsoft-web-helpers^0|S|L|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

As for VS2017 I didn't find it in "extensions", there's a Nuget package called "<a href="https://www.nuget.org/packages/microsoft-web-helpers" rel="noreferrer">microsoft-web-helpers</a>" that seems to be equivalent to System.Web.Helpers.

blocks|key|3141217|text|我也有同样的问题，首先我在.NET+components列表中找不到这些dlls。但后来我想出了解决方案是：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|3141218|1-首先，我将target+framework从.NET+framework+4+client+profile更改为.NET+framework+4。|3141219|2-然后向下滚动列表.NET+components，pass+first+list+of+system.web.。，向下滚动，找到second+list+of+system.web...在底部，它们就在那里。|BOLD|3141220|我希望这能帮助其他人。|3141221|entityMap^0|D|F|10|4|0|7|G|O|V|1M|G|0|A|F|19|B|28|B|Q|F|1T|B|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@$9|P|A|Q|B|C]|$9|R|A|S|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|T|8|@$9|U|A|V|B|C]|$9|W|A|X|B|C]|$9|Y|A|Z|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|10|8|@$9|11|A|12|B|C]|$9|13|A|14|B|C]|$9|15|A|16|B|C]|$9|17|A|18|B|J]|$9|19|A|1A|B|J]]|D|@]|E|$]]|$1|K|3|L|5|6|7|1B|8|@]|D|@]|E|$]]|$1|M|3|-4|5|6|7|1C|8|@]|D|@]|E|$]]]|N|$]]

I had the same problem , first I couldn't find those <code>dlls</code> in the list of <code>.NET components</code> . but later I figured it out that the solution is :

1- first I changed <code>target framework</code> from <code>.NET framework 4 client profile</code> to <code>.NET framework 4</code>.

2- then scroll down the list of <code>.NET components</code> , pass first list of <code>system.web.</code>.. , scroll down , and find the second list of <code>system.web.</code>.. at the bottom , they're there .

I hope this could help others

blocks|key|246768|text|在VS2010中，只需右键单击项目或引用，然后单击添加引用。在弹出窗口中，选择Assemblies+->+Extensions+->+System.Web.Helpers|type|unstyled|depth|inlineStyleRanges|entityRanges|data|246769|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

In VS 2010 just right click on project or on reference and click add reference.
On the popup window Select Assemblies - > Extensions -> System.Web.Helpers

blocks|key|251601|text|从here安装ASP.NET+MVC3应该会有所帮助。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|251602|entityMap|0|LINK|mutability|MUTABLE|url|http://www.asp.net/mvc/mvc3^0|1|4|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Installing ASP.NET MVC3 from <a href="http://www.asp.net/mvc/mvc3" rel="noreferrer">here</a> should help.

blocks|key|248649|text|在VS2017上，我安装了NuGet包:+Microsoft.AspNet.WebPages|type|unstyled|depth|inlineStyleRanges|entityRanges|data|248650|这就起到了作用。|248651|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

On VS2017 I installed the NuGet package: Microsoft.AspNet.WebPages

That did the trick.

blocks|key|3141531|text|这个特殊的NuGet包习惯于丢失它在我们的一个项目中的引用。有时，我需要在Package+Manager控制台中运行以下命令来恢复引用，一切都会恢复正常|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3141532|Update-Package+Microsoft.AspNet.Webpages+-reinstall|code-block|syntax|javascript|3141533|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

This particular NuGet package has a habit of losing its references in one of our projects. From time to time I will need to run the following command in the Package Manager Console to restore the references and everything is OK again

<pre><code>Update-Package Microsoft.AspNet.Webpages -reinstall
</code></pre>

blocks|key|248550|text|我必须安装RazorGenerator.Templating才能让它正常工作。在NuGet控制台中，键入：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|248551|Install-Package+RazorGenerator.Templating|248552|entityMap^0|5|P|0|0|15|0^^$0|@$1|2|3|4|5|6|7|J|8|@$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|H|3|-4|5|6|7|P|8|@]|D|@]|E|$]]]|I|$]]

I had to install <code>RazorGenerator.Templating</code> to get it all to work. From the NuGet console, type:

<code>Install-Package RazorGenerator.Templating</code>

blocks|key|2926760|text|它们应该位于MVC3或WebPages的子文件夹中的C:\Program+Files\Microsoft+ASP.Net下(如果您使用的是64位操作系统，则为C:\Program+Files+(x86)\Microsoft+ASP.Net+)。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2926761|entityMap^0|Q|Y|27|14|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|M|8|@]|D|@]|E|$]]]|G|$]]

They should be under <code>C:\Program Files\Microsoft ASP.Net</code> (or <code>C:\Program Files (x86)\Microsoft ASP.Net</code> if you're on a 64-bit OS) in a subfolder for MVC3 or WebPages.

blocks|key|2926914|text|问题是MVC版本缺失或过时。我正在运行VS+2015Preview，可以通过NuGet安装最新版本的MVC来解决这个问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2926915|以防有人还会碰到这个。|2926916|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

The issue is a missing or outdated version of MVC. I was running VS 2015Preview and could resolve the issue by installing the latest version of MVC via NuGet.

Just in case anyone is still coming across this one.

blocks|key|246912|text|安装此nuget程序包时，可以在C:\Program+Files+(x86)\Microsoft+Studio\Shared\Packages\Microsoft.AspNet.WebPages.x.x.x\lib\net45中找到它们|type|unstyled|depth|inlineStyleRanges|entityRanges|data|246913|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

When you install this nuget package Microsoft.AspNet.WebPages they can be find in C:\Program Files (x86)\Microsoft Visual Studio\Shared\Packages\Microsoft.AspNet.WebPages.x.x.x\lib\net45

I am following this <a href="http://haacked.com/archive/2011/08/01/text-templating-using-razor-the-easy-way.aspx" rel="noreferrer">article</a> on RazorGenerator and it say's that I must add references to:

<ul>
<li><code>System.Web.Helpers.dll</code></li>
<li><code>System.Web.WebPages.dll</code></li>
<li><code>System.Web.Razor.dll</code></li>
</ul>

The only one I can see when I do <code>Add Reference</code> is <code>System.Web.Razor</code>, but I don't know where the other ones are.

Where can I find System.Web.Helpers, System.Web.WebPages, and System.Web.Razor?

Visual Studio

我在RazorGenerator上关注这个，它说我必须添加对以下内容的引用：System.Web.Helpers.dllSystem.Web.WebPages.dllSystem.Web.Razor.dll当我执行Add Reference时，我唯一能看到的是System.Web.Razor，但我不知道其他的在哪里。

问在哪里可以找到System.Web.Helpers、System.Web.WebPages和System.Web.Razor？
EN

回答 12

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问在哪里可以找到System.Web.Helpers、System.Web.WebPages和System.Web.Razor？EN

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问在哪里可以找到System.Web.Helpers、System.Web.WebPages和System.Web.Razor？
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