public static void Remove(PaintOrder order)
        {
            PaintOrder target = One(o => o.PaintOrderID == order.PaintOrderID);

            if (target != null)
            {
                GetAll().Remove(target);
            }
        }
        public static void Update(PaintOrder order)
        {
            PaintOrder target = One(o => o.PaintOrderID == order.PaintOrderID);

            if (target != null)
            {
                target.PaintOrderID = order.PaintOrderID;
                target.Date         = order.Date;
                target.Description  = order.Description;
                target.PaintColor   = order.PaintColor;
            }
        }
        public static void Insert(PaintOrder order)
        {
            order.PaintOrderID = GetAll().OrderByDescending(p => p.PaintOrderID).First().PaintOrderID + 1;

            GetAll().Insert(0, order);
        }