public ActionResult ProductsToExpire(string InitDate, string EndDate)
        {
            if (InitDate == null || InitDate == "")
            {
                InitDate = "1900-01-01";
            }
            if (EndDate == null || EndDate == "")
            {
                EndDate = "2900-01-01";
            }
            var dataReport = db.sp_consulta_productos_por_vencer(InitDate, EndDate).ToList();
            var list       = new { data = dataReport };

            return(Json(list, JsonRequestBehavior.AllowGet));
        }