title: Xamarin IOS navigate to another view controller without button on xamarin
body: <p>i start using xamarin to create ios software.
  in mainstoryboard, i navigate PageMain view controller to PageTo view controller.
  I want navigate from PageMain view controller to PageTo view controller. i use this code and did not auto navigate:</p>
  
  <pre><code>var storyBoard = UIStoryboard.FromName ("MainStoryboard", null);
  storyBoard.InstantiateViewController ("PageTo");
  </code></pre>
  
  <p>tried this one too but also not auto navigate :</p>
  
  <pre><code>PageMainViewController *viewController = segue. PageToViewController;
  viewController.delegate = self;
  </code></pre>
  
  <p>tried this one too but also not auto navigate :</p>
  
  <pre><code>UIViewController pageto = new PageTo ();
  pageto.Transition (PageMain, PageTo);
  </code></pre>
  
  <p>i know it, it easier use button to create push seque to PageTo view controller, but i did not want it.
  please help me.</p>