/// <summary> /// Allows an admin user to view all sold books /// </summary> /// <param name="adminId"></param> private void ViewAllSoldItems(int adminId) { WebbShopAPI api = new WebbShopAPI(); var listOfSoldItems = api.SoldItems(adminId); if (listOfSoldItems != null) { AdminView.DisplaySoldItems(listOfSoldItems); return; } MessageViews.DisplayErrorMessage(); }