ado.net mvc3 tuple using in model and single views
@model Tuple<MvcApplication4.Models.Course, MvcApplication4.Models.Student >
@{
    ViewBag.Title = "Create";
}
<h2>Create</h2>
@using (Html.BeginForm()) {
    @Html.ValidationSummary(true)
    <fieldset>
        <legend>Course</legend>

        <div class="editor-label">
            @Html.LabelFor(model => model.Item1.Name)
        </div>
        <div class="editor-field">
            @Html.EditorFor(model => model.Item1.Name)
            @Html.ValidationMessageFor(model => model.Item1.Name)
        </div>
        <div class="editor-label">
            @Html.LabelFor(model => model.Item1.S_ID, "Student")
        </div>
            <fieldset>
        <legend>Student</legend>

        <div class="editor-label">
            @Html.LabelFor(model => model.Item2.Name)
        </div>
        <div class="editor-field">
            @Html.EditorFor(model => model.Item2.Name)
            @Html.ValidationMessageFor(model => model.Item2.Name)
        </div>

        <div class="editor-label">
            @Html.LabelFor(model => model.Item2.Class)
        </div>
        <div class="editor-field">
            @Html.EditorFor(model => model.Item2.Class)
            @Html.ValidationMessageFor(model => model.Item2.Class)
        </div>

        <p>
            <input type="submit" value="Create" />
        </p>
    </fieldset>

    </fieldset>
}

public ActionResult Create()
        {
              return View();
        }

        //
        // POST: /Default3/Create

        [HttpPost]
        public ActionResult Create(Tuple<Student ,Course > t)
        {

            try
            {
                // TODO: Add insert logic here

                db.Students.AddObject(t.Item1);
                db.SaveChanges();

                t.Item2.S_ID = t.Item1.Id;
                db.Courses.AddObject(t.Item2);
                db.SaveChanges();

                return RedirectToAction("Copy");
            }
            catch
            {
                return View();
            }
        }

public class MyViewModel
{
    public Course Course { get; set; }
    public Student Student { get; set; }
}

public ActionResult Create()
{
    return View(new MyViewModel());
}

//
// POST: /Default3/Create

[HttpPost]
public ActionResult Create(MyViewModel model)
{
    try
    {
        // TODO: Add insert logic here
        db.Students.AddObject(t.Student);
        db.SaveChanges();

        t.Course.S_ID = t.Student.Id;
        db.Courses.AddObject(t.Course);
        db.SaveChanges();

        return RedirectToAction("Copy");
    }
    catch
    {
        return View(model);
    }
}

@model MvcApplication4.Models.MyViewModel
@{
    ViewBag.Title = "Create";
}
<h2>Create</h2>
@using (Html.BeginForm()) {
    @Html.ValidationSummary(true)
    <fieldset>
        <legend>Course</legend>

        <div class="editor-label">
            @Html.LabelFor(model => model.Student.Name)
        </div>
        <div class="editor-field">
            @Html.EditorFor(model => model.Student.Name)
            @Html.ValidationMessageFor(model => model.Student.Name)
        </div>
        <div class="editor-label">
            @Html.LabelFor(model => model.Student.S_ID, "Student")
        </div>
            <fieldset>
        <legend>Student</legend>

        <div class="editor-label">
            @Html.LabelFor(model => model.Course.Name)
        </div>
        <div class="editor-field">
            @Html.EditorFor(model => model.Course.Name)
            @Html.ValidationMessageFor(model => model.Course.Name)
        </div>

        <div class="editor-label">
            @Html.LabelFor(model => model.Course.Class)
        </div>
        <div class="editor-field">
            @Html.EditorFor(model => model.Course.Class)
            @Html.ValidationMessageFor(model => model.Course.Class)
        </div>

        <p>
            <input type="submit" value="Create" />
        </p>
    </fieldset>
}

return View(model);