private void BindGrade()
 {
     article = DAClanci.SelectById(articleId);
     avgGradeLabel.Text = Math.Round((decimal)article.ProsjecnaOcjena, 2).ToString();
 }
        private void BindArticle()
        {
            if (Request["articleId"] != null)
            {
                articleId = Convert.ToInt32(Request["articleId"]);
                editLink.PostBackUrl = "Edit.aspx?articleId=" + articleId;
                article = DAClanci.SelectById(articleId);
                titleLabel.Text = article.Naslov;
                typeLable.Text = article.Vrsta;
                themeLabel.Text = article.Tema;
                authorsLabel.Text = article.Autori;
                dateCreatedLabel.Text = string.Format("{0:dd.MM.yyyy}", article.DatumKreiranja);
                dateChangedLabel.Text = string.Format("{0:dd.MM.yyyy}", article.DatumIzmjene);

                if (article.ProsjecnaOcjena != null)
                    avgGradeLabel.Text = Math.Round((decimal)article.ProsjecnaOcjena, 2).ToString();
                else
                    avgGradeLabel.Text = "0.00";

                textLiteral.Text = article.Tekst;

                List<Tagovi> tags = DAClanci.SelectTags(articleId);
                tagsRepeater.DataSource = tags;
                tagsRepeater.DataBind();

                if (User.Identity.Name != "")
                {
                    ClanciOcjene userGrade = DAClanci.GetGradeForUser(articleId, Convert.ToInt32(User.Identity.Name));
                    if (userGrade != null)
                    {
                        articleRating.CurrentRating = userGrade.Ocjena;
                        articleRating.ReadOnly = true;
                        ratingLabel.Text = "Vaša ocjena: " + userGrade.Ocjena.ToString();
                        dateRatedLabel.Text = string.Format("{0:dd.MM.yyyy}", userGrade.DatumKreiranja);
                        rating_block.Visible = true;
                    }
                }

                if (article.Dokument != null)
                {
                    pdfIcon.Visible = true;
                    pdfDownloadLink.HRef = "Download.aspx?articleId=" + articleId;
                }

                //Preporuka Wikipedia
                WikiRecommendation(tags, article.Naslov);

                //Item-based preporuka
                ItemBasedRecommendation();

                HtmlControl div = (HtmlControl)this.Master.FindControl("questionRecommend");
                div.Visible = false;

            }
        }