public IQueryable<SalesOrder> GetSalesOrderWithDetails()
        {
            List<SalesOrder> salesOrder = new List<SalesOrder>();
            using (_uowProcess = new UnitOfWorkInventorySystemProcessEntities())
            {
                SalesOrderRepository repo = new SalesOrderRepository(_uowProcess);
                salesOrder = repo.FindAllIncluding(c => c.SalesOrderDetails).ToList();
            }

            return salesOrder.AsQueryable();
        }