title: Button action is not fired in container View in IOS Swift
body: <p><a href="https://i.stack.imgur.com/gSb62.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/gSb62.png" alt="enter image description here"></a>I'm new to IOS Programming. I created viewController(ViewController.swift) with container view(ContainerViewController.swift) which have 2 views (FirstViewController.swift and SecondViewViewcontroller.swift), and then i added button in FirstViewcontroler and added @IBAction for that, but I'm not able to click the button(action is not working). In container view segue added following code</p>
  
  <p>ContainerViewController.swift</p>
  
  <pre><code>func segueIdentifierReceivedFromParent(button: String){
      buttonClick = button
      if button == "first"
      {
          self.segueIdentifier = "firstSegue"
          self.performSegueWithIdentifier(self.segueIdentifier, sender: nil)
      }
      else if button == "second"
      {
          self.segueIdentifier = "secondSegue"
          self.performSegueWithIdentifier(self.segueIdentifier, sender: nil)
      }
  }
  
  override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
  
      if segue.identifier == segueIdentifier{
  
          //Avoids creation of a stack of view controllers
          if lastViewController != nil{
              lastViewController.view.removeFromSuperview()
          }
  
          vc = segue.destinationViewController //as! UIViewController
  
         self.addChildViewController(vc)
         vc.view.frame = CGRect(x: 0,y: 0, width:self.view.frame.width,height:self.view.frame.height)
  
        self.view.addSubview(vc.view)
        vc.didMoveToParentViewController(self)
  }
  </code></pre>
  
  <p>FirstViewController.swift</p>
  
  <pre><code>override func viewDidLoad() {
      super.viewDidLoad()
  }
  
  @IBAction func getQuotesAction(sender: UIButton){
      print("Button is Clicked")
  }
  </code></pre>
  
  <p>this getQuotesAction button is not working
  please help me to fix this. Advance thanks for reply.</p>