public AdvTopicDal GetInstance() { if (_instance == null) { _instance = new AdvTopicDal(); } return(_instance); }
public AdvTopicDal GetInstance() { if (_instance == null) { _instance = new AdvTopicDal(); } return _instance; }
public AdvTopicDal GetInstance() { if (_instance == null) { _instance = new AdvTopicDal(); } return(_instance); }
public AdvTopicDal GetInstance() { if (_instance == null) { _instance = new AdvTopicDal(); } return _instance; }