ASP.NET MVC 5?? ??? ?? ???

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ASP.NET MVC 5 ????????, ???? ?? ?? ??? ?? ??? ????. ? ??? ??? ????? ?? ??? ??? ??? ????? ? ?? ????? ??? ??? ???? ?? ??? ?? ?????. ???? ??? ??? ???? ?????? ??? ?? ????

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@foreach (var question in Model.GeneralQuestions)
{
    <div class="well">
        <h3><strong>@question.QuestionString</strong></h3>
        @foreach (var answer in question.PossibleAnswers)
        {
            @Html.RadioButtonFor(
                model => model.GeneralQuestions.IndexOf(question), // Binding to index of question in list
                answer.Answer,
                new { id = $"question_{question.QuestionID}_answer_{answer.Answer}" })
            @Html.Label(answer.Answer)
            <br />
        }
    </div>
}

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??? ?? ? ?????? ???? ??? ?? ? ?? ?? ??.

public class QuestionVM
{
    public string QuestionString { get; set; }
    public IEnumerable<AnswerVM> PossibleAnswers { get; set; }
}

public class StudentVM
{
    public int ID { get; set; }
    public string Name { get; set; }
    public List<SubjectVM> Subjects { get; set; }
}

public class SubjectVM
{
    public string Name { get; set; }
    public List<QuestionVM> Questions { get; set; }
}

??:

@model StudentVM
@using (Html.BeginForm())
{
    @Html.HiddenFor(m => m.ID)
    @Html.DisplayFor(m => m.Name)
    for (int i = 0; i < Model.Subjects.Count; i++)
    {
        @Html.HiddenFor(m => m.Subjects[i].ID)
        @Html.DisplayFor(m => m.Subjects[i].Name)
        for (int j = 0; j < Model.Subjects[i].Questions.Count; j++)
        {
            @Html.HiddenFor(m => m.Subjects[i].Questions[j].ID)
            @Html.DisplayFor(m => m.Subjects[i].Questions[j].QuestionString)
            foreach (var answer in Model.Subjects[i].Questions[j].PossibleAnswers)
            {
                <div>
                    @Html.RadioButtonFor(
                        m => m.Subjects[i].Questions[j].SelectedAnswer,
                        answer.ID,
                        new { id = $"question_{SubjectQuestions[i].Questions[j].ID}_answer_{answer.ID}" })
                    <label for="@answer.ID">@answer.Text</label>
                </div>
            }
        }
    }
    <input type="submit" value="save" />
}

????:

public ActionResult Edit(int ID)
{
    StudentVM model = new StudentVM();
    // Populate model with data from database
    return View(model);
}

[HttpPost]
public ActionResult Edit(StudentVM model)
{
    // Save and redirect
    return RedirectToAction("Index");
}

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? ??? ASP.NET MVC 5?? ???? ??? ??? ???? ????? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!