title: ASP.NET default MVC4 application content pages without layout reference?
body: <p>I created a mvc4 web app. with razor view engine. There are Layout page and content pages(Home, Contact, About, etc.) you know. But there is no reference to layout from content pages.</p>
  
  <p>Should do not content pages include this:</p>
  
  <pre><code>Layout = "~/Views/Shared/_Layout.cshtml";
  </code></pre>
  
  <p>In content pages this code is missing.And they works.
  How does it do this without layout reference?</p>