protected void ddlSiralama_SelectedIndexChanged(object sender, EventArgs e) { string sorgu = string.Format("select * from Urunler inner join Fotograflar on UrunID = UrunId where FotoVitrin = 1 and Vitrin = 1 order by {0}", siralama[Convert.ToInt32(ddlSiralama.SelectedValue)]); dt = db.TabloOlustur(sorgu); dt.Columns.Add("PuanOrtalama"); Fonksiyonlar.DegerlendirmeGetir(dt); rpUrun.DataSource = dt; rpUrun.DataBind(); }