// Setting the View inside the Scroll View //
viewOffers.ContentSize = new CoreGraphics.CGSize(320f, 1100f);
ShowOffersViewController vc = Storyboard.InstantiateViewController("ShowOffersView") as ShowOffersViewController;
viewOffers.AddSubview (vc.View);
ChequesViewController test = Storyboard.InstantiateViewController("ChequesView") as ChequesViewController;
// This
ParentViewController.NavigationController.PushViewController(test, true);
// and this and neither work
NavigationController.PushViewController(test, true);