title: How I can display another (change) ViewController when I press a button
body: <p>in my xcode storyboard I have the standard viewController in which I have placed one Button with a Action Outlet.</p>
  
  <p>I tried with an .xib which doesn't load. Further, I tried with an second ViewController in the Storyboard and a custom segue, but this also failed.</p>
  
  <p>There is something I did wrong. Can anybody help me please?</p>