When a UITableView of type UITableViewStyleGrouped has a background view that is a non-default color or pattern image on the iPad, the rounded corners have an ugly extra line, s
I replaced the tableView's backgroundView with a new view.
I then relied on the tableView's backgroundColor property to set the color I wanted:
self.tableView.backgroundView = [[[UIView alloc] init] autorelease]; self.tableView.backgroundColor = [UIColor whiteColor];