public static void UpdateKomnetar(Komentar komentar)
        {
            string       path   = HostingEnvironment.MapPath("~/App_Data/komentari.txt");
            FileStream   stream = new FileStream(path, FileMode.Create);
            StreamWriter sw     = new StreamWriter(stream);

            foreach (Komentar k in komentari)
            {
                sw.WriteLine(k.Kupac.Korinsik.KorisnickoIme + ";" + k.Manifestacija.Naziv + ";" + k.TextKomentara + ";" + k.Ocena.ToString());
            }

            sw.Close();
            stream.Close();
        }