partial void DeleteNorma(Norma instance);
 partial void InsertNorma(Norma instance);
 partial void UpdateNorma(Norma instance);
 public int Incluir(string descricao, int? revisao, int codUsuarioInc)
 {
     var norma = new Norma()
                     {
                         Descricao = descricao,
                         Revisao = revisao,
                         DataCadastro = DateTime.Now,
                         UsuarioInc = codUsuarioInc
                     };
     _repositorioDataContext.Normas.InsertOnSubmit(norma);
     _repositorioDataContext.SubmitChanges();
     return norma.CodNorma;
 }