public void CheckPossibilityToDelete(AccountingPriceList priceList, User user)
        {
            // права
            CheckPermissionToPerformOperation(priceList, user, Permission.AccountingPriceList_Delete);

            // сущность
            priceList.CheckPossibilityToDelete();
        }
        public void CheckPossibilityToDeleteRow(AccountingPriceList priceList, User user)
        {
            // права
            CheckPermissionToPerformOperation(priceList, user, Permission.AccountingPriceList_ArticleAccountingPrice_Create_Edit);

            // сущность
            priceList.CheckPossibilityToDelete();
        }