如何在不使用foreach循环

Question

我正在尝试创建一个项目，我想显示用户的详细信息，然后在表格中我想显示该用户完成的课程。当我尝试显示用户详细信息时，该用户的详细信息显示为自我使用foreach循环后他们正在采用的课程数量。如果不使用foreach，我怎么能这样做？如果从单个表中存储和检索所有数据，我可以这样做但在这个项目中我使用三个表 - 用户，课程和用户课程。 UserCourse具有UserId和CourseId的外键引用。现在我想从用户表中检索详细信息。

HomeController中：

[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Login(User u)
{
    if (ModelState.IsValid)
    {
        using (DetailsEntities dc = new DetailsEntities())
        {
            var v = dc.Users.Where(a => a.UserName.Equals(u.UserName) && a.Password.Equals(u.Password)).FirstOrDefault();
            if (v != null)
            {
                Session["User"] = v;
                return RedirectToAction("Index", "Course");
            }
        }
    }
    return View(u);
}

CourseController：

public class CourseController : Controller
{
    private DetailsEntities db = new DetailsEntities();

    //
    // GET: /Course/

    public ActionResult Index()
    {
        User user = (User)Session["User"];
        //var usr = db.Users.Find(user.UserId);
        //int userId = (int)Session["UserId"];
        var user1 = db.Users.FirstOrDefault(u => u.UserId==user.UserId);
        if (Session["User"] != null)
        {

            var course = db.UserCourses.Where(u => u.UserId == user1.UserId);
            if (user1 != null)

                return View(course);
        }
        return View(user1);
    }
}

索引：

<table border="1" align="center" height ="200px" width ="100%"  @*style ="background-color: darkgray"*@>
    <tr>
        <th>
            @Html.DisplayNameFor(model => model.User.FirstName)
        </th>
        <th>
            @Html.DisplayNameFor(model => model.User.LastName)
        </th>
        <th>
            @Html.DisplayNameFor(model => model.User.Address)
        </th>
        <th>
            @Html.DisplayNameFor(model => model.User.City)
        </th>
        <th>
            @Html.DisplayNameFor(model => model.User.Email)
        </th>
        <th>
            @Html.DisplayNameFor(model => model.User.PhoneNo)
        </th>
        <th></th>
    </tr>
@foreach (var item in Model) 
{
    <tr>
        <td>
            @Html.DisplayFor(modelItem => item.User.FirstName)
        </td>
        <td>
            @Html.DisplayFor(modelItem => item.User.LastName)
        </td>
        <td>
            @Html.DisplayFor(modelItem => item.User.Address)
        </td>
        <td>
            @Html.DisplayFor(modelItem => item.User.City)
        </td>
        <td>
            @Html.DisplayFor(modelItem => item.User.Email)
        </td>
        <td>
            @Html.DisplayFor(modelItem => item.User.PhoneNo)
        </td>
    </tr>
}
</table>
<p>
    @Html.ActionLink("Create New", "Create")
</p>   
<table border="1" align="left" height ="200px" width ="300px" @*style ="background-color: darkgray"*@>
    <tr>
        <th>
            @Html.DisplayNameFor(model => model.Course.CourseName)
        </th>
    </tr>
@foreach (var item in Model) {
    <tr>
        <td>
            @Html.DisplayFor(modelItem => item.Course.CourseName)
        </td>
        <td>
            @Html.ActionLink("Edit", "Edit", new { id=item.Id }) |
            @Html.ActionLink("Details", "Details", new { id=item.Id }) |
            @Html.ActionLink("Delete", "Delete", new { id=item.Id })
        </td>
    </tr>
}
</table>

我知道这个问题很愚蠢，但我是新手，所以请帮助我。