public IActionResult Index(int id)
{
if (!User.Identity.IsAuthenticated)
{
return(RedirectToAction("Index", "Intro"));
}
TestOfSetsViewModel model = new TestOfSetsViewModel();
model.user = _userManager.GetBy(User.Identity.Name, User.Identity.Name);
model.course = _courseServices.GetBy(id);
model.question = _courseServices.GetVocabulary(id);
ViewData["Page.Title"] = model.name;
ViewData["Page.Target"] = "Học phần";
return(View(model));
}