public ActionResult AddComment(int Id, string CommentDescription)
{
Comment comment = new Comment();
comment.TopicID = Id;
comment.Description = CommentDescription;
comment.DateOfComment = DateTime.Now;
comment.UserID = (int)Session["LoginID"];
_topicBLL.CommentAdd(comment);
return(RedirectToAction("OpenedTopicNoHit/" + Id));
}