protected void Up_Click(object sender, EventArgs e)
        {
            var like = new Like()
            {
                ArticleId = int.Parse(this.ArticleId),
                ReaderId = this.ReaderId,
                Value = 1
            };

            var current = db.Articles.Find(this.ArticleId);
            if (current.Likes.All(l => l.ReaderId != this.ReaderId))
            {
                current.Likes.Add(new Like());
                db.SaveChanges();
            }
        }
        protected void ButtonDislike_Click(object sender, EventArgs e)
        {
            var articleIdAsString = this.Request.QueryString["id"];

            var newLike = new Like()
            {
                Value = false,
                ArticleId = int.Parse(articleIdAsString),
                AuthorId = Page.User.Identity.GetUserId()
            };

            NewsSystemDbContext db = new NewsSystemDbContext();

            db.Likes.Add(newLike);
            db.SaveChanges();
            Response.Redirect(Request.RawUrl);
        }
        protected void LikeControl_Like(object sender, LikeEventArgs e)
        {
            Article article = this.dbContext.Articles.Find(Convert.ToInt32(e.DataID));
            string userID = this.User.Identity.GetUserId();

            Like like = article.Likes.FirstOrDefault(l => l.UserID == userID);
            if (like == null)
            {
                like = new Like()
                {
                    UserID = userID,
                    ArticleID = Convert.ToInt32(e.DataID)
                };

                article.Likes.Add(like);
            }

            like.Value = e.LikeValue;
            this.dbContext.SaveChanges();

            //LikeControl ctrl = sender as LikeControl;
            DataBind();
        }