public ActionResult EnvioCartao()
        {
            try
            {
                var                nroCartao = Request["txtNro"].Trim();
                string             bandeira  = "";
                string             status    = "";
                ValidateCriditCard validacao = new ValidateCriditCard();
                bandeira = validacao.retornarTipoCartao(nroCartao);
                if (validacao.validarNroCartao(nroCartao) == 0)
                {
                    status = "Valido";
                }
                else
                {
                    status = "Invalido";
                }
                string respuesta = bandeira + ": " + nroCartao + " (" + status + ")";

                ViewData["Respuesta"] = respuesta;
                return(View());
            }
            catch (Exception)
            {
                return(View());
            }
        }
 public void Inicializar()
 {
     _validate = new ValidateCriditCard();
 }