public ActionResult Delete(int id)
        {
            StatistickiPodaci s = (from st in oi.StatistickiPodacis
                                   where st.IDStatistickihPodataka == id
                                   select st).Single();

            try
            {
                oi.StatistickiPodacis.DeleteOnSubmit(s);
                oi.SubmitChanges();
                return(RedirectToAction("Index"));
            }
            catch
            {
                return(View());
            }
        }
        public ActionResult Create(FormCollection fc)
        {
            Korisnik          k   = (Korisnik)Session["Korisnik"];
            StatistickiPodaci sip = new StatistickiPodaci();

            sip.Naslov     = fc["Naslov"];
            sip.PDF        = "Content/Statistika/" + fc["PDF"];
            sip.IDKorisnik = k.IDKorisnik;
            try
            {
                oi.StatistickiPodacis.InsertOnSubmit(sip);
                oi.SubmitChanges();
                return(RedirectToAction("Index"));
            }
            catch
            {
                return(View());
            }
        }