protected override void Execute(CodeActivityContext activityContext) { Guid databaseinstanceguid = DatabaseInstanceGuid.Get(activityContext); using (Context context = ContextManager.Instance.CreateContext(this, activityContext, ConnectionMode.AutoOpen, TransactionMode.AutoCommit)) { DatabaseInstance di = new DatabaseInstance(context); di.Guid = databaseinstanceguid; di.Load(); di.Detach(); } EntityGuid.Set(activityContext, databaseinstanceguid); }