private void BtnObrisiSatnicu_Click(object sender, RoutedEventArgs e)
{
int obrisan = k.obrisiSatnicu(dataGrid.SelectedItem as Satnica);
if (obrisan == 0)
{
MessageBox.Show("Neuspesno obrisana satnica!");
return;
}
else
{
MessageBox.Show("Uspesno obrisana satnica!");
}
dataGrid.ItemsSource = k.vratiListuSatnica();
}