public ActionResult DeleteCourse(CoursesDeleteVM model) { Course course = unitOfWork.CourseRepository.GetById(model.Id); if (course.Students.Count > 0) { TempData.FlashMessage("You cannot delete course with students in it!", null, FlashMessageTypeEnum.Red); model.Name = course.Name; model.CourseCode = course.Code; return View(model); } List<CoursesSubjects> css = unitOfWork.CoursesSubjectsRepository.GetByCourseId(course.Id, true); css.ForEach(x => x.Teachers.Clear()); course.CoursesSubjects.Clear(); course.Students.Clear(); unitOfWork.CoursesSubjectsRepository.UpdateTable(course, new List<Subject>()); unitOfWork.CourseRepository.Delete(course.Id); unitOfWork.Save(); TempData.FlashMessage("Course Deleted"); return RedirectToAction("ManageCourses", "Admin"); }
public ActionResult DeleteCourse(int? id) { if (!id.HasValue) { return RedirectToAction("ManageCourses", "Admin"); } Course course = unitOfWork.CourseRepository.GetById(id.Value); if (course == null) { return RedirectToAction("ManageCourses", "Admin"); } CoursesDeleteVM model = new CoursesDeleteVM(); model.Id = course.Id; model.Name = course.Name; model.CourseCode = course.Code; return View(model); }