//Return all exist difficult.
public ActionResult ViewDifficultOfTest()
{
return(View(testDifficultService.GetTestDifficult()));
}
public ActionResult AddTest(Guid subjectId)
{
ViewBag.difficult = new SelectList(testDifficultService.GetTestDifficult(), "Id", "Difficult");
ViewBag.subjectId = subjectId;
return(View());
}