public TopicManager(IGenericDal <Topic> genericDal,
IGenericDal <CategoryTopic> categoryTopicService,
ITopicDal topicDal) : base(genericDal)
{
_genericDal = genericDal;
_topicDal = topicDal;
_categoryTopicService = categoryTopicService;
}
public TopicManager(ITopicDal topicDal)
{
_topicDal = topicDal;
}