private static void GenericSerializeToFileTest()
        {
            Product product = CreateProduct();

            XmlGenericSerializer serializer = new XmlGenericSerializer();

            serializer.Serialize(product, "products.xml");
        }
        private static void GenericSerializeToTextTest()
        {
            Product product = CreateProduct();

            XmlGenericSerializer serializer = new XmlGenericSerializer();
            string xml = serializer.Serialize(product);

            Console.WriteLine(xml);
        }