private void StudentBoard_Click(object sender, MouseButtonEventArgs e)
{
StudentBoard studentboard = new StudentBoard(service, name, id);
studentboard.ShowDialog();
}
private void StudentBoard_Click(object sender, MouseButtonEventArgs e)
{
StudentBoard studentboard = new StudentBoard(service, name, id);
studentboard.Owner = this;
//studentboard.Icon = new BitmapImage(new Uri(@"../../PNG/3.png", UriKind.Relative));
studentboard.Show();
}