public ActionResult Show(int id, string type)
        {
            LicneKarteDBEntities db = new LicneKarteDBEntities();

            byte[] imageData = null;
            if (type == "slika")
            {
                imageData = db.tblSlikas.Where(x => x.Id == id).Select(x => x.Slika).FirstOrDefault();
            }

            if (type == "otisak")
            {
                imageData = db.tblOtisaks.Where(x => x.Id == id).Select(x => x.Otisak).FirstOrDefault();
            }

            if (type == "potpis")
            {
                imageData = db.tblPotpis.Where(x => x.Id == id).Select(x => x.Potpis).FirstOrDefault();
            }
            return(File(imageData, "image/jpg"));
        }