public static void ObrisiUplatu()
{
Console.WriteLine("Upisite id uplate koju zelite da izmenite: ");
int id = Convert.ToInt32(Console.ReadLine());
UplataDAO.Delete(Program.conn, id);
}
private void btnIzbrisi_Click(object sender, RoutedEventArgs e)
{
Uplata u = dgUplata.SelectedItem as Uplata;
u.Kurs.Uplate.Remove(u);
u.Ucenik.Uplate.Remove(u);
Aplikacija.Instanca.Uplate.Remove(u);
UplataDAO.Delete(u);
}