public TopicService(ITopicDao topicDao) { _topicDao = topicDao; }
public TopicService(ITopicDao topicDao) { this.topicDao = topicDao; }
public TopicService(ITopicDao topicDao) { _topicDao = topicDao; }
public TopicService(ITopicDao topicDao) { this.topicDao = topicDao; }