I am after a little help please. I have added line in the ShoppingCartController to add or remove a discount coupon when someone clicks on a checkout attribute. This works exactly as i hoped, however the cart needs to be refreshed before the prices will reflect the discount coupon rules. Is there a way i can trigger the "Update Cart" button from this controller, or alternatively just refresh the page.
My code looks as follows:
Any help would be greatly appreciated.