reload cell when switch triggered

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    ...
    ...
    [cell.cellSwitch addTarget:self action:@selector(switchUD:) forControlEvents:UIControlEventValueChanged];
    [cell.cellSwitch setTag:indexPath.row];
    ...
    ...
return cell
}



-(void)switchUD:(id)sender {
    NSIndexPath *indexPath = [NSIndexPath indexPathForRow:[sender tag] inSection:0];
    NSArray* rowsToReload = [NSArray arrayWithObjects:indexPath, nil];
    [self.tableView reloadRowsAtIndexPaths:rowsToReload withRowAnimation:UITableViewRowAnimationAutomatic];
}