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();
 }