public ActionResult ListStudentSav(ClassWithStudentsVM maClasseStudent)
{
var adminRole = new AdminRole();
adminRole.UpdateClassAttendence(maClasseStudent.Classe.ClassId, maClasseStudent.Students.Where(x => x.Subscribed == true).Select(x => adminRole.GetStudent(x.StudentId)).ToList());
//var existingStudent = adminRole.GetStudentsOfClass(maClasseStudent.Classe.ClassId).Select(x=>x.StudentId);
//var deletedStudent = Queryable.Except<Student>(existingStudent.AsQueryable(), maClasseStudent.Students.Where(x=>x.Subscribed == true).Select(x => x.StudentId)).ToList();
////var addedStudent = maClasseStudent.Students.Where(a => a.Subscribed == true);
//for (var i = 0; i < maClasseStudent.Students.Count(); i++)
//{
// if (maClasseStudent.Students[i].Subscribed == false)
// {
// var ViewValue1 = adminRole.RemoveStudent(maClasseStudent.Classe.ClassId, maClasseStudent.Students[i].StudentId);
// }
// else
// {
// var ViewValue2 = adminRole.AddStudent2(adminRole.GetClass(maClasseStudent.Classe.ClassId), adminRole.GetStudent(maClasseStudent.Students[i].StudentId));
// }
//}
return(RedirectToAction("Details", new { ClassId = maClasseStudent.Classe.ClassId }));
}