public Boolean ExcluirServico(int id)
        {
            retvalor = false;

            try
            {
                oServicoDAO = new ServicoDAO();
                retvalor    = oServicoDAO.ExcluiServico(id);
            }
            catch (Exception ex)
            {
                throw ex;
            }
            finally
            {
                oServicoDAO = null;
            }

            return(retvalor);
        }