title: How to navigate to ViewController in Xamarin iOS on RowSelected event
body: <p>I am having a TableView on my home screen which is inside a Navigation Controller. Now, when a row is selected, I want to show a MapView.</p>
  
  <p>I want to get access to the Navigation Controller and push a MapViewController into it. How can i achieve this? </p>
  
  <pre><code>public override void RowSelected (UITableView tableView, NSIndexPath indexPath)
  {
  
  }
  </code></pre>