public SmartCardWhiteListItem GetSmartCardRecord(string uidNumber, string outerNumber, SmartCardType type)
	        {
	            SecurityDatabase security = _securityDatabase;
	            try
	            {
	                if (security == null)
	                    security = _securityDatabaseCreator.Create();

	                IQueryable<SmartCardWhiteListItem> query = security.SmartCardsWhiteLists;
	                switch (type)
	                {
	                    case SmartCardType.CPPK:
	                    case SmartCardType.CPPKCounter:
	                    case SmartCardType.SKM:
	                    case SmartCardType.SKMO:
	                    case SmartCardType.SeeOfCard:
	                        query = query.Where(t => t.CrystalSerialNumber == uidNumber && t.OuterNumber == outerNumber);
	                        break;
	                    case SmartCardType.ETT:
	                        query = query.Where(t => t.OuterNumber == outerNumber);
	                        break;
	                    case SmartCardType.IPK:
	                    case SmartCardType.TRK:
	                        query = query.Where(t => t.CrystalSerialNumber == uidNumber);
	                        break;
	                }
	                return query.OrderByDescending(t => t.CreateDate).FirstOrDefault();
	            }
	            finally
	            {
	                if (_securityDatabase == null && security != null)
	                    security.Dispose();
	            }
	        }