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

??:

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

???:

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

? ??:

??, ? ??? ?????. ???? ???? ???? ? ?????. form.

public class QuestionVM
{
  public int ID { get; set; }
  public string Text { get; set; }
  public int? SelectedAnswer { get; set; }
}

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

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

View:

??? @Html.BeginForm ???? ???? ?? ??? ??? ?? @? ???? ??? ??? ?????. Html.RadioButtonFor ???.

@model YourAssembly.StudentVM
@using(Html.BeginForm())
{
  // Hidden field for unique student identifier
  @Html.HiddenFor(m => m.ID)
  
  // Student name (with no binding)
  @Html.DisplayFor(m => m.Name)
  
  // Iterate over subjects and questions  
  for(int i = 0; i < Model.Subjects.Count; i++)
  {
    // Hidden field for subject identifier (if any)
    @Html.HiddenFor(m => m.Subjects[i].ID)
    
    // Display subject name
    @Html.DisplayFor(m => m.Subjects[i].Name)
    
    for (int j = 0; j < Model.Subjects[i].Questions.Count; j++)
    {
      // Hidden field for question identifier
      @Html.HiddenFor(m => m.Subjects[i].Questions[j].ID)
      
      // Display question text (with no binding)
      @Html.DisplayFor(m => m.Subjects[i].Questions[j].Text)
      
      foreach(var answer in Model.Subjects[i].Questions[j].PossibleAnswers )
      {
        // Bind radio button to property on QuestionVM
        @Html.RadioButtonFor(m => m.Subjects[i].Questions[j].SelectedAnswer, answer.ID, new { id = answer.ID})
        <label for="@answer.ID">@answer.Text</label>
      }
    }
  }
  
  // Submit button
  <input type="submit" value="save" />
}

????:

?? ??? ???? ???? ????? StudentVM ??? ?? ??? ???? ???? ? ????.

[HttpPost]
public ActionResult Edit(StudentVM model)
{
  // Save and redirect (not shown)
}

? ??? @Html.RadioButtonFor ???? ???? ? ??? ??? ?? ??? ??? ??? ? ????. ??? ??? ??? ???? ???? ? ????.

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