public ActionResult Add(AcademicYearRegisterModel academicYearModel)
 {
     var year = new DateTime(academicYearModel.Year, 01, 01);
     var approved = false;
     var isActive = false;
     if (academicYearModel.Approved == "1")
         approved = true;
     if (academicYearModel.IsActive == "1")
         isActive = true;
     var academicYear = new AcademicYear
     {
         Year = year.Year,
         Grade = _gradeRepository.GetById(academicYearModel.Grade.Id),
         Section = academicYearModel.Section,
         Approved = approved,
         IsActive = isActive
     };
     _academicYearRepository.Create(academicYear);
     const string title = "Año Académico Agregado";
     var content = "El año académico " + academicYearModel.Year + " ha sido agregado exitosamente.";
     _viewMessageLogic.SetNewMessage(title, content, ViewMessageType.SuccessMessage);
     return RedirectToAction("Index");
 }