//Regional Variants
private void btnRegionalVariants_Click(object sender, RoutedEventArgs e)
{
dgMyPokemonList.Columns.Clear();
btnAddPokemon.Visibility = Visibility.Visible;
btnRemovePokemon.Visibility = Visibility.Hidden;
btnAddPokemon.IsEnabled = true;
btnAddPokemon.Content = "Add Regional Variant";
btnRemovePokemon.Content = "Remove Regional";
dgMyPokemonList.ItemsSource = _pokemonManager.RetrieveMyRegionalPokemon(UserID);
ResetColumns();
}