title: XAML binding multiple properties in label content
body: <p>I have two properties, Related_Id and PageNumber. I want to bind these two values to a single label.</p>
  
  <p>XAML code</p>
  
  <pre><code>&lt;StackPanel&gt;
      &lt;sdk:Label x:Name="RelatedItemIdLabel"  
      HorizontalAlignment="Left"
      VerticalAlignment="Top"
      Content="{Binding CreateMessage.RelatedId}" /&gt;
  &lt;/StackPanel&gt;
  </code></pre>
  
  <p>current output: <strong>Related_Id</strong></p>
  
  <p>Desired output: <strong>Related_Id/ PageNumber</strong></p>
  
  <p>Could anyone help me to find a solution..</p>
  
  <p>Thanks..</p>