public ActionResult ImportFromXML(HttpPostedFileBase file)
        {
            if (file == null)
            {
                return(HttpNotFound());
            }
            string filePath = Server.MapPath("~/Content/documents/" + Path.GetFileName(file.FileName));

            file.SaveAs(filePath);

            TransferData export = new TransferData(productService);

            export.ImportFromXML(filePath);

            return(RedirectToAction("GetAllProducts"));
        }