title: binding Textblock from two textboxex value in Xaml
body: <p>I have two textbox txtFName and txtLName . Now I want to display txtFName - txtLName in textblock using binding.</p>
  
  <p>For bind only txtFName I write below code:</p>
  
  <pre><code>&lt;TextBlock x:Name="textblock" Text="{Binding ElementName=txtFName , Path=Text}" Margin="-3,-8,0,0"/&gt;
  </code></pre>
  
  <p>But I want to display txtFName - txtLName in textblock using binding.</p>
  
  <p>I do not want to write any code in code behind.</p>
  
  <p>Thanks,</p>