How to refresh the table view when we scroll up

Can we implement pull to refresh feature on a custom view controller开发者_JS百科 which has tableviewcontroller. My view controller is not a table view controller, i have a tableviewcontroller on UIView and I want to refresh this tableview on pulling the screen down. How can I implement this feature.

i tried with github examples but no luck...if you know plesae provide me some sample code than that will help for me.

Thanks in advance....

---

Here is the good example of iphone -pull-to-refresh tableview

---

It may help you

[tableView reloadData];