private void openButton_Click(object sender, RoutedEventArgs e)
{
Tournament operatedNode = (Tournament)listView1.SelectedItem; //new ListViewClass(value1, value2);
EditTournament ed = new EditTournament(operatedNode.TournamentName, operatedNode.Town, operatedNode.StartDate, operatedNode.EndDate);
ed.Show();
}
private void Open_Tournament(object sender, RoutedEventArgs e)
{
EditTournament ed = new EditTournament();
ed.Show();
}