title: show a not available page to user on MVC
body: <p>For my project, i plan on displaying a Page not available page when user types in wrong controller name and action links in the browser. </p>
  
  <pre><code>for example: www.myproject.com/home/away
  </code></pre>
  
  <p>doesn't exist. How can i display such cases when there is no controller of that name? </p>