ICriteria crit = NHibernateSession.CreateCriteria(typeof(Core.Order));
            crit.Add(
                Expression.Or(
                    Expression.Between("DateSubmitted", HistoryDate, DateTime.Now),
                    Expression.Eq("OrderStatusInformation.OrderStatusId", OrderStatusIdToSearchFor)));

            crit.Add(Expression.Eq("UserId", userId.ToString()));
            IList<Core.Order> orders = crit.List<Core.Order>();
            return orders;