BAL.Interfaces.OrderManagerEx.SetWaitingTime C# (CSharp) Method

        public bool SetWaitingTime(int id, int WaitingTime)
        {
            var order = uOW.OrderExRepo.All.Where(o => o.Id == id).FirstOrDefault();
            if (order != null)
            {
                order.WaitingTime = WaitingTime;
                uOW.OrderExRepo.Update(order);
                uOW.Save();
                return true;
            }
            return false;
        }