// GET: Instructors
public async Task <ActionResult> Index(int?id)
{
var instructorService = new InstructorService(new InstructorRepository(UniversityContext));
if (id != null)
{
var courses = await instructorService.GetCoursesByInstructor(id.Value);
ViewBag.Courses = courses.Select(x => mapper.Map <CourseDTO>(x));
}
var instructors = await instructorService.GetAll();
var instructorsDTO = instructors.Select(x => mapper.Map <InstructorDTO>(x));
return(View(instructorsDTO));
}