How to collapse the section when user click on the header of the section in UITableView?

IS there an easier way to animate the table view. All the rows in my table view chan开发者_开发问答ge when the user clicks the tab on header of the section of the table view.

use,

[tableView reloadSections:[NSIndexSet indexSetWithIndex:section] withRowAnimation:UITableViewRowAnimationFade];