// 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);