public IHttpActionResult Delete(int?id) { try { if (!id.HasValue) { return(BadRequest()); } Aluno aluno = _repositorioAlunos.SelecionarPorId(id.Value); if (aluno == null) { return(NotFound()); } _repositorioAlunos.ExcluirPorId(id.Value); return(Ok()); } catch (Exception ex) { return(InternalServerError()); } }