title: Page Title doesn't display in Xamarin.Forms project
body: <p>I am working on Xamarin.Forms.</p>
  <p>When I created blank Xamarin.Forms project there are four project created in one solution, one for iOS, one for Android, one for Windows and one is the Portable project (Common Project).</p>
  <p>I add one XAML form named &quot;Page2.XAML&quot; with this code:</p>
  <pre><code>&lt;?xml version=&quot;1.0&quot; encoding=&quot;utf-8&quot; ?&gt;
  &lt;ContentPage xmlns=&quot;http://xamarin.com/schemas/2014/forms&quot;
               xmlns:x=&quot;http://schemas.microsoft.com/winfx/2009/xaml&quot;
               x:Class=&quot;Rutul_App.Page2&quot;
               Title=&quot;aaaa&quot;&gt;
      &lt;ContentPage.Content&gt;
          &lt;StackLayout&gt;
              &lt;Label Text=&quot;ABC&quot; HorizontalOptions=&quot;Center&quot;/&gt;
          &lt;/StackLayout&gt;
      &lt;/ContentPage.Content&gt;
  &lt;/ContentPage&gt;
  </code></pre>
  <p>and in the code behind file:</p>
  <pre><code>namespace Rutul_App
  {
      public partial class Page2 : ContentPage
      {
          public Page2()
          {
              InitializeComponent();
          }
      }
  }
  </code></pre>
  <p>In App.cs page I have added:</p>
  <pre><code>public App()
      {
          // The root page of your application
          MainPage = new NavigationPage(new Page2());
      }
  </code></pre>
  <p><em><strong>Problem :</strong></em></p>
  <p>My problem is that the title and the BackGroundImage don't display. There are so many property that doesn't work.</p>
  <p>My page is inherit form ContentPage but I can't access property of the ContentPage class. Properties are public.</p>
  <p>Why is my title not being displayed?</p>