public ActionResult ReporteBet() { var presupuestoActual = presupuestosManager.GetPresupuestoActual(); // Template File string templateDocument = System.Web.HttpContext.Current.Server.MapPath("~/Templates/E01-ReporteBET.xlsx"); var report = reportesManager.GetReporteBet(templateDocument, presupuestoActual.Id); return(File(report.ToArray(), "application/octet-stream", string.Format("SOS-ReporteBET-{0}{1}{2}.xlsx", DateTime.Now.Year, DateTime.Now.Month.ToString().PadLeft(2, '0'), DateTime.Now.Day.ToString().PadLeft(2, '0')))); }