title: pickerview issue
body: <p>I have 2 segment UIPickerView
  one is having number and second "Quantity"</p>
  
  <p>Both segment has None as their first index.</p>
  
  <p>what i m trying to do is, whenever i choose None(first element) from an of the segment,
  the respective, first element of the other segment should also move to None(which is first element,automatically.)
  Makes sense??</p>
  
  <p>Guidance needed</p>