public ActionResult IzmeniStavkuKursneListe(StavkaKursneListeEditViewModel wm)
        {
            if (ModelState.IsValid == false)
            {
                Response.StatusCode = 400;
                return(PartialView("_IzmeniStavkuPartial", wm));
            }

            try
            {
                ExchangeRepository.IzmeniStavkuKursneListe(wm.ValutaListe, wm.DatumListe, wm.Valuta, wm.KupovniKurs, wm.SrednjiKurs, wm.ProdajniKurs);

                return(new HttpStatusCodeResult(200));
            }
            catch (Exception)
            {
                Response.StatusCode = 400;
                return(PartialView("_IzmeniStavkuPartial", wm));
            }
        }