/// <summary>
/// Displays all tests for specified subject.
/// </summary>
/// <param name="subject"> SubjectViewModel instance.</param>
/// <param name="pageNumber"> Page number.</param>
/// <returns> Index view.</returns>
public ActionResult Index(SubjectViewModel subject, int?pageNumber)
{
var tests = testService.GetTestsBySubject(subject.ToBllSubject()).Select(t => t.ToTestViewModel());
if (Request.IsAjaxRequest())
{
return(PartialView(tests.ToPagedList(pageNumber ?? 1, 10)));
}
return(View(tests.ToPagedList(pageNumber ?? 1, 10)));
}