public string GetProductUrl(string EAN)
        {
            string url = "http://www.brennenstuhl.com/index.php?module=products&lang=en&index[products][action]=livesearch&index[products][pattern]=" + EAN;

            try
            {
                string       unprocessedHtml = HtmlHandler.GetPageByLink(url);
                HtmlDocument doc             = new HtmlDocument();
                doc.LoadHtml(unprocessedHtml);
                var result = doc.DocumentNode.SelectNodes("//a[@href]").First();
                var href   = result.Attributes["href"].Value;
                return("https://www.brennenstuhl.com/" + href);
            }
            catch (Exception e)
            {
                Console.WriteLine("No product found!");
                return(null);
            }
        }