blocks|key|2846260|text|您可以使用以下命令指定布局：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2846261|@{+Layout+=+"_Layout"；}|2846262|如果你想让这一点更容易一次全部改变。也许您可以将其设置为view+bag变量，并将其传递给控制器。为了让它更简单，你可以创建一个其他控制器继承的基础控制器，并让它将布局分配给那里的视图包。|2846263|不确定为什么需要更改路由，或者我可能不理解。希望这能有所帮助:)|2846264|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|L|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|M|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

You specify a layout using:

@{
 Layout = "_Layout";
}

If you want to make this easier to change all at once. Perhaps you could just set it as a view bag variable and pass it in on the controller. To make it even easier you could create a base controller that the other controllers inherit from and have it assign the layout to the view bag there.

Not sure why routing would need to change or perhaps I am not understanding. Hope this helps :)

blocks|key|208172|text|您只需添加一个名为的文件：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|208173|_ViewStart.cshtml|code-block|syntax|javascript|208174|在每个area+views文件夹下：|208175|/Areas/Area1/Views/_ViewStart.cshtml|208176|然后编辑文件，使其指向根布局，如下所示：|208177|@{
++++Layout+=+"~/Views/Shared/_Layout.cshtml";
}|208178|为了使其正常工作，您不必在视图的布局属性中指定值，如果这样做，您将覆盖全局布局|208179|注意:正如Tony提到的，您可以编辑每个视图的layout属性以指向根布局，但这不是推荐的方式，因为您会将视图与布局耦合在一起，更改它将非常痛苦|208180|编辑1|208181|如果您想使用代码来设置默认视图的布局，也许您应该考虑编写一个自定义视图引擎。|208182|试着用谷歌搜索一下自定义RazorViewEngine和RazorView|offset|length|style|CODE|208183|这篇文章可能是一个很好的起点|208184|http://weblogs.asp.net/imranbaloch/archive/2011/06/27/view-engine-with-dynamic-view-location.aspx|208185|我还没有做过这样的事情，但我希望我给你指的方向是对的|208186|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|0|0|0|0|0|0|0|0|C|F|S|9|0|0|0|2P|0|0|0^^$0|@$1|2|3|4|5|6|7|1F|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|1G|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|1H|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|1I|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|1J|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|1K|8|@]|9|@]|A|$E|F]]|$1|O|3|P|5|6|7|1L|8|@]|9|@]|A|$]]|$1|Q|3|R|5|6|7|1M|8|@]|9|@]|A|$]]|$1|S|3|T|5|6|7|1N|8|@]|9|@]|A|$]]|$1|U|3|V|5|6|7|1O|8|@]|9|@]|A|$]]|$1|W|3|X|5|6|7|1P|8|@$Y|1Q|Z|1R|10|11]|$Y|1S|Z|1T|10|11]]|9|@]|A|$]]|$1|12|3|13|5|6|7|1U|8|@]|9|@]|A|$]]|$1|14|3|15|5|6|7|1V|8|@]|9|@$Y|1W|Z|1X|1|1Y]]|A|$]]|$1|16|3|17|5|6|7|1Z|8|@]|9|@]|A|$]]|$1|18|3|-4|5|6|7|20|8|@]|9|@]|A|$]]]|19|$1A|$5|1B|1C|1D|A|$1E|15]]]]

You just have to add a file named:

<pre><code>_ViewStart.cshtml
</code></pre>

Under each area views folder:

<pre><code>/Areas/Area1/Views/_ViewStart.cshtml
</code></pre>

And edit the file to point to the root layout like this:

<pre><code>@{
 Layout = "~/Views/Shared/_Layout.cshtml";
}
</code></pre>

In order for this to work, you do not have to specify a value in the view's layout property, if you do, you would be overriding the global layout

Note: As Tony mentioned, you could edit each view's layout property to point to the root layout, however this is not the recommended way to do it since you would be coupling your views with your layout and change it would be painful

<h3>Edit 1</h3>

If you would like to use code to set the default view's layout, perhaps you should consider writing a custom view engine.

Try to google about custom <code>RazorViewEngine</code> and <code>RazorView</code>

This article could be a good start point 

<a href="http://weblogs.asp.net/imranbaloch/archive/2011/06/27/view-engine-with-dynamic-view-location.aspx">http://weblogs.asp.net/imranbaloch/archive/2011/06/27/view-engine-with-dynamic-view-location.aspx</a>

I have not done something like this but I hope I'm pointing you in the right direction

blocks|key|3059299|text|对Jupaol的回答进行了扩展...|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3059300|至少在VS2013中，_ViewStart.cshtml文件是在创建区域时默认添加的，所以它已经存在了，您可以按照他的说明更改内容，使其指向根_Layout.cshtml。然后，您可以删除该区域中的_Layout.cshtml，因为它不再使用(现在是一个潜在的混淆来源)|3059301|但是，通过这样做，在根_Layout.cshtml中执行的任何路由都需要考虑区域。|3059302|默认_Layout.cshtml有许多需要稍微修改的ActionLink帮助器：|3059303|通过设置Area="“，将RouteValueDictionary参数添加到任何ActionLink调用。请注意，空字符串是指根级别。这将允许这些链接在从区域内调用时正确工作，在从根调用时仍然有效。|3059304|例如：|3059305|<li>@Html.ActionLink("Home",+"Index",+"Home",+new+{+Area+=+""+},+null)</li>|code-block|syntax|javascript|3059306|entityMap^0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|U|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|V|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|W|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|X|8|@]|9|@]|A|$]]|$1|L|3|M|5|N|7|Y|8|@]|9|@]|A|$O|P]]|$1|Q|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|R|$]]

Expanding on the answer by Jupaol....

At least in VS2013, the _ViewStart.cshtml file is added by default when creating the area, so it's already there, and you can change the contents as he notes to point to the root _Layout.cshtml. You can then remove the _Layout.cshtml in the area, since it is no longer used (and a potential source of confusion now)

However, by so doing any routing performed in that root _Layout.cshtml will need to consider areas. 
The default _Layout.cshtml has a number of ActionLink helpers that need a slight modification:

Add the RouteValueDictionary param to any ActionLink calls by setting Area="". Note that empty string refers to the root level. This will allow these links to work correctly when invoked from within an area, still work when invoked from the root.

e.g.:

<pre><code>&lt;li&gt;@Html.ActionLink("Home", "Index", "Home", new { Area = "" }, null)&lt;/li&gt;
</code></pre>

I have the following project structure:

<ul>
<li>/Views/Shared/_Layout;</li>
<li>/Areas/Area1/Views/ControllerName/Index;</li>
</ul>

...

<ul>
<li>/Areas/AreaN/Views/ControllerName/Index.</li>
</ul>

Is there any way to force all areas to use the _Layout as a base layout?

Is there any way to do it without adding the _ViewStart file (for example, via the routing configuration)?

See Also:

<a href="https://stackoverflow.com/questions/5161380/">How do I specify different Layouts in the ASP.NET MVC 3 razor ViewStart file?</a>

Force all Areas to use same Layout

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我有以下项目结构：/Views/Shared/_Layout;/Areas/Area1/Views/ControllerName/Index;..。/Areas/AreaN/Views/ControllerName/Index.是否有办法强制所有区域使用_Layout作为基本布局有什么方法可以在不添加_ViewStar...

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