protected void ASPxCallback1_Callback(object source, DevExpress.Web.CallbackEventArgs e)
 {
     if (e.Parameter != "")
     {
         int aptIdForDismiss = Convert.ToInt32(e.Parameter);
         foreach (Appointment apt in storage.Appointments.Items)
         {
             if (((int)apt.Id) == aptIdForDismiss && apt.Reminder != null)
             {
                 apt.Reminder.Dismiss();
             }
         }
         appointmentsAdapter.Update(schedulerDataSet, "Appointments");
     }
     ASPxCallback1.JSProperties["cpReminders"] = null;
     storage.TriggerAlerts();
 }