/// <summary> /// Show data button click event. /// Click to show the datas in database (for fast debugging). /// Author: ChuyangLiu /// </summary> private void ShowDataButton_Click(object sender, RoutedEventArgs e) { List <TodoItem> items = TodoItem.GetAllItems(); StringBuilder sb = new StringBuilder(); foreach (TodoItem item in items) { sb.Append(item.ToString()); sb.Append(Environment.NewLine); } var i = new MessageDialog(sb.ToString()).ShowAsync(); }