Expandable tableView in iphone

Question

I want to make this type of expandable/collapsible table view. there are categories and subcategories as in picture. for example "health and beauty" is a category and when i click this cell than its open subcategories as in picture below. So how can I make this type of table view? please suggest me.

Answer 1

Finally i get two very useful helping link below which describes exact what the requirement is here Expanding/Collapsing TableView Sections
Collapsable Table View for iOS

Really, good articles for such kind of expanding/collapsing tableview sections