private void MenuItem_Click_2(object sender, RoutedEventArgs e)
{
Tabele.Tabele t = new Tabele.Tabele("demo", raspored);
t.ShowDialog();
}
private void Ucionice_Click(object sender, RoutedEventArgs e)
{
Tabele.Tabele w = new Tabele.Tabele(raspored);
w.ShowDialog();
}