public ActionResult AddUsersToExam(FormCollection fm)
{
var selectedusers = fm["SelectedUsers"];
var examId = int.Parse(fm["ExamId"]);
var exam = _examinationRepository.GetExaminationData(examId);
var preSelected = exam.Members.ToList();
if (preSelected.Any())
{
_examinationRepository.DetachMembersFromExam(examId);
}
if (selectedusers.Length > 1)
{
_examinationRepository.AttachMembersToExam(selectedusers, examId);
}
TempData["notification"] = "The Users have been successfully added/detached";
return(RedirectToAction("AddUsersToExam", new { examId }));
}