public ActionResult EditPlus(int?id) { if (id == null) { return(new HttpStatusCodeResult(HttpStatusCode.BadRequest)); } Student student = db.Students.Find(id); if (student == null) { return(HttpNotFound()); } StudentEnrollmentVM sevm = new StudentEnrollmentVM(); sevm.student = student; List <Course> courses = db.Courses.ToList(); foreach (Course c in courses) { sevm.coursesEnroll.Add(new CoursesEnroll() { Id = c.Id, CourseCode = c.CourseCode, CourseName = c.CourseName, Number_of_Credits = c.Number_of_Credits, isEnroll = student.Courses.Contains(c) }); } return(View(sevm)); }
public ActionResult EditPlus(StudentEnrollmentVM sevm) { if (ModelState.IsValid) { Student s = db.Students.Find(sevm.student.Id); db.Entry(s).State = EntityState.Modified; foreach (CoursesEnroll ce in sevm.coursesEnroll) { if (ce.isEnroll) { s.Courses.Add(db.Courses.Find(ce.Id)); } else { s.Courses.Remove(db.Courses.Find(ce.Id)); } } db.SaveChanges(); return(RedirectToAction("Index")); } else { return(View(sevm)); } }