private bool CheckPassword(string username, string password)
 {
     try {
         ReturnObject <bool> isvalid = paymentsLogic.ValidateCredentials(username, password);
         return(isvalid.Data);
     }
     catch (Exception e)
     {
         log.Fatal("Ocurrió un error invocando Validate Credentials", e);
         return(false);
     }
 }