public IActionResult AllStudents() { var students = _dbContex.Students .Include(s => s.Applicant) .Include(s => s.StudentLessons) .ThenInclude(sl => sl.Lesson) .ThenInclude(l => l.Teacher) .Include(s => s.StudentLessons) .ThenInclude(sl => sl.Lesson) .ThenInclude(l => l.Technology); List <StudentInfoViewModel> model = new List <StudentInfoViewModel>(); foreach (var item in students) { model.Add(StudentMapper.Mapping(item)); } return(View(model)); }