public ActionResult ListDefaultTrainnings(long? professorId, int? customerId, long? peopleId)
 {
     var model = new Models.Trainig.ListDefaultTrainningsVM();
     var trainningBll = new Domain.BLL.TrainningBLL();
     if (peopleId <= 0)
     {
         peopleId = null;
     }
     model.PeopleId = peopleId;
     var loggedUser = Session.GetLoggedUser();
     model.Trainnings = trainningBll.GetDefaultTrainnings(professorId, customerId, loggedUser.PessoaEmpresas.ToList());
     return View(model);
 }