title: How to Create a expandable Table View cell ?? when i click on a cell it should expand and show the child cell it contains
body: <p><a href="http://i.stack.imgur.com/KYp4T.png" rel="nofollow">Here in this image the first section is not expanded whereas second section expands on click.</a></p>
  
  <p>also the expanded cells should go to a viewcontroller on didselect
  the data in the rows of all sections are static.
  How can i acheive this in objective c?? i tried searching for the question but couldnt find any.</p>