public int DajSledeciID(IObjekat objekat) { try { SqlCommand komanda = new SqlCommand("", connection, transaction); komanda.CommandText = $"select max({objekat.VratiImeID()}) from {objekat.VratiImeKlase()}"; try { int id = Convert.ToInt32(komanda.ExecuteScalar()); return(id + 1); } catch (Exception) { return(1); } } catch (Exception) { throw; } }