byte[] bFile = System.IO.File.ReadAllBytes(ConfigurationManager.AppSettings["FileCondizione"]);
            if (bFile.Length > 0)
            {
                this.Response.AddHeader("Content-Length", bFile.Length.ToString());
                this.Response.AddHeader("Content-Type", "application/pdf'");
                this.Response.AddHeader("Content-Disposition", "inline; filename=uploadfile/GuidaIC.pdf");
                this.Response.BinaryWrite(bFile);
                this.Response.End();
            }