public ActionResult StudentSignIn(FormCollection form) { try { int scheduleId = (int)TempData["class"]; TempData["class"] = db.getScheduleById(scheduleId); List <Yoga_User> yu = db.getScheduleSignUpList(scheduleId).ToList(); foreach (Yoga_User user in yu) { String attendance = form[user.U_Id.ToString()]; db.changeClass_LogStatus(user.U_Id, scheduleId, attendance); } return(View(yu.OrderBy(x => x.U_Last_Name).ToList().OrderBy(x => x.U_First_Name).ToList())); } catch (Exception ex) { string error = ex.ToString(); Response.Write(error); EmailSender.sendEmail(error); Console.WriteLine(error); return(View()); } }