Hello I tried to impliment this getting following error
Error 127 The best overloaded method match for 'NopSolutions.NopCommerce.BusinessLogic.Orders.ShoppingCartManager.GetShoppingCartSubTotal(NopSolutions.NopCommerce.BusinessLogic.Orders.ShoppingCart, NopSolutions.NopCommerce.BusinessLogic.CustomerManagement.Customer, out decimal, out NopSolutions.NopCommerce.BusinessLogic.Promo.Discounts.Discount, out System.Collections.Generic.List<NopSolutions.NopCommerce.BusinessLogic.Orders.AppliedGiftCard>, out decimal, out decimal)' has some invalid arguments C:\NopCommerce\NopCommerceStore\Modules\Header.ascx.cs 49 44 NopCommerceStore
Error 128 Argument '4': cannot convert from 'out decimal' to 'out NopSolutions.NopCommerce.BusinessLogic.Promo.Discounts.Discount' C:\NopCommerce\NopCommerceStore\Modules\Header.ascx.cs 49 157 NopCommerceStore