private void BuscarCep(object sender, EventArgs e)
{
string cep = CEP.Text.Trim();
Address address = ViaCepService.SearchAddressToCep(cep);
RESULT.Text = String.Format("Endereço: {3}, {0}, {1}, {2}",
address.Localidade, address.Uf, address.Logradouro, address.Bairro);
}