//return to the new refill requests panel and refresh the listview
 private void backButton_Click(object sender, EventArgs e)
 {
     RefillRequest.retrieveRefillRequests();
     populateList();
     prescriptionDetailPanel.Hide();
     newRefillRequestsPanel.Show();
 }
 //displays how many unread notifications there are
 private void showUnread()
 {
     Notice.retrieveNotices();
     RefillRequest.retrieveRefillRequests();
     Appointment.retrieveAppointments(User.Id);
     notificationButton.Text     = "Notices  (" + Notice.Unread + ")";
     refillRequestButton.Text    = "Refill Requests  (" + RefillRequest.NewRefillRequestCount + ")";
     viewAppointmentsButton.Text = "Appointments  (" + Appointment.NewAppointmentCount + ")";
 }