// GET: Student public ActionResult Index(string id, string slpID) { IEnumerable <Students> _students = null; var slps = _userManager.SelectSLPIds(); foreach (var item in slps) { if (item.Equals(slpID)) { _students = _studentManager.GetStudentsBySlpId(slp.SLPID).Where(s => s.Active); } else { _students = _studentManager.GetStudents().Where(s => s.Active); } } return(View(_students)); }