public override void RowSelected(UITableView tableView, NSIndexPath indexPath)
        {
            var selectedRow = tableView.IndexPathForSelectedRow;
            var selectedSponsor = _sponsors [selectedRow.Row];

            var sponsorDetailVC = new SponsorDetailViewController (selectedSponsor);

            this.NavigationController.PushViewController (sponsorDetailVC, animated:true);
        }
        public override void RowSelected(UITableView tableView, NSIndexPath indexPath)
        {
            var selectedRow     = tableView.IndexPathForSelectedRow;
            var selectedSponsor = _sponsors [selectedRow.Row];

            var sponsorDetailVC = new SponsorDetailViewController(selectedSponsor);

            this.NavigationController.PushViewController(sponsorDetailVC, animated: true);
        }