public ActionResult UpdateProduct(String Product, string TransactionID, string Quantity, string Cost)
{
List <Orders> ShoppingCart = HomeManager.ReadExistingOrders(TransactionID);
// Need to look at quantity too.
var itemToRemove = (from item in ShoppingCart
where item.Serial == Product
select item).FirstOrDefault();
ShoppingCart.Remove(itemToRemove);
if (HomeManager.DeleteProducts(ShoppingCart, TransactionID, Product))
{
Orders ModifyCart = new Orders {
Cost = Cost, Quantity = Quantity, Serial = Product
};
ShoppingCart.Add(ModifyCart);
if (HomeManager.InsertOrderItem(ShoppingCart, TransactionID))
{
}
}
return(RedirectToAction("About"));
}