title: Calendar text label will not Update
body: <pre><code>    datePicker.addTarget(self, action: #selector(datePickerChanged(datePicker:)), for: UIControlEvents.valueChanged)
  
      dateFormat()
  
  } //this works
  func dateFormat() {
      let today = NSDate()
      let dateFormatter = DateFormatter()
      let short = DateFormatter.Style.short
      dateFormatter.dateStyle = short
      dateFormatter.dateFormat = "MM-dd-YYYY"
      let startDate = dateFormatter.string(from: datePicker.date)
      dateLbl.text = startDate
  
      //this works but datePicker date when moved will not update
      let thirtyDays = NSCalendar.current.date(byAdding: Calendar.Component.day,value: 30, to: today as Date)
      let tomorrowSixty = dateFormatter.string(from: thirtyDays!)
      sixtyDay.text = tomorrowSixty
  
  }
  func datePickerChanged(datePicker:UIDatePicker){
      dateFormat()
  
  }
  
  }
  </code></pre>