private async void Delete_Click(object sender, RoutedEventArgs e)
{
//delete the current detail
try
{
int id = int.Parse(EventId.Text);
viewModelMain.DeleteContact(id);
}
catch
{
MessageDialog md = new MessageDialog("There is no data", "No data");
await md.ShowAsync();
EventId.Focus(FocusState.Programmatic);
EventId.SelectAll();
return;
}
Frame.Navigate(typeof(AppointmentPage));
}