public ActionResult _Register(string cnum, string semester) { string username = HttpContext.User.Identity.Name; CourseRegisterVM crvm = new CourseRegisterVM(); bool add = BusinessRegistrar.SignUpCourse(username, cnum, semester); crvm.SList = BusinessRegistrar.GetSemester(); crvm.SelectedCoursesNum = cnum; crvm.SelectedSemester = semester; crvm.CList = BusinessRegistrar.GetCoursesForSemester(crvm.SelectedSemester); crvm.EList = BusinessRegistrar.GetEnrollmentForACourse(null, username); crvm.AddCourse = add; crvm.ClickRegister = true; if (add) { return(RedirectToAction("CourseRegister")); } else { ViewBag.Message = "Fail."; return(View()); } }