private void Pivot_SelectionChanged(object sender, SelectionChangedEventArgs e) { switch (((Pivot)sender).SelectedIndex) { case 0: ApplicationBar = (ApplicationBar)Resources["AppBar1"]; break; case 1: ApplicationBar = (ApplicationBar)Resources["AppBar2"]; break; case 2: ApplicationBar = (ApplicationBar)Resources["AppBar3"]; string username = phoneAppServeice.State["username"].ToString(); int readingBookNo = bookService.getReadingBookNo(username); ReadingBookNoText.Text = readingBookNo.ToString(); int finishedBookNo = bookService.getFinishedBookNo(username); FinishedBookNoText.Text = finishedBookNo.ToString(); int wishBookNo = bookService.getWishBookNo(username); WishBookNoText.Text = wishBookNo.ToString(); int haveReadDays = bookService.getHaveReadDays(username); HaveReadDaysText.Text = haveReadDays.ToString(); break; case 3: ApplicationBar = (ApplicationBar)Resources["AppBar4"]; break; } }