// 班级按钮显示学生名单 private void Button_Click1(object sender, RoutedEventArgs e) { Button btn = sender as Button; foreach (Button button in panel.Children) { if (btn.Uid == button.Uid) { string classId = button.Uid; List <Student> students = dbUtill.GetCheckerListByClassId(classId); itemsCtrl.ItemsSource = students; } else { Color color = (Color)ColorConverter.ConvertFromString("#FFFFFF"); Color color2 = (Color)ColorConverter.ConvertFromString("#000000"); Color color3 = (Color)ColorConverter.ConvertFromString("#CCCCCC"); button.Background = new SolidColorBrush(color); button.Foreground = new SolidColorBrush(color2); button.BorderBrush = new SolidColorBrush(color3); Thickness thickness = new Thickness(2); button.BorderThickness = thickness; } } }