public ActionResult CreateInfoSheet(CustomerInfoModel customerInfo)
        {
            //use the submitted download token value to set a cookie in the response
            Response.AppendCookie(new HttpCookie("fileDownloadToken", customerInfo.DownloadToken));

            var file = CreateFile();
            var outputFileName = string.Format("{0}_CustomerInfo.pdf", DateTime.Now.Ticks);
            return File(file, "application/pdf", outputFileName);
        }