public void BindData()
{
topic = topicBll.GetTopicByTid(int.Parse(TopicId.ToString()));
sort = topicBll.GetTpicSort();
topicSource = topicBll.GetTopicSource();
firstPoint = new PointService().GetFirstPoint();
topicType = topicBll.GetTopicType();
SecondPoint second = new PointService().GetSecondPointById(int.Parse(topic.SecondPointId.ToString()));
secondPoint = new PointService().GetSecondPoints(int.Parse(second.FIrstPointId.ToString()));
}