how to change the text of delete button in a UITableCell on swap event

i have implemented the functionality to make delete button visible on swap and it also delets the cell by clicking开发者_如何学Python on the button. but i just want to change the text of delete button from "DELETE" to "CANCEL"

Implement the following in your UITableViewDelegate:

- (NSString *)tableView:(UITableView *)tableView titleForDeleteConfirmationButtonForRowAtIndexPath:(NSIndexPath *)indexPath {
    return @"Cancel";
}

You can use the UITableViewDelegate protocol method:

tableView:titleForDeleteConfirmationButtonForRowAtIndexPath: