using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using Dream.Models;
namespace Dream.Areas.Admin.Models
{
public class ProductModel
{
    public List<Category> categoryList {get; set;}
    public List<Item> products { get; set; }
}
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using Dream.Models;
using Dream.Areas.Admin.Models;

 namespace Dream.Areas.Admin.Controllers
{
  public class ProductController : Controller
  {
    //
    // GET: /Admin/Product/
    MightyMouseContainer ctx = new MightyMouseContainer();
    ProductModel product = new ProductModel();

    public ActionResult Index()
    {

       product.categoryList = ctx.Categories.ToList();

        var cat = product.categoryList.Select(c => new { c.Category_ID, c.Category_Description});
        ViewBag.Categories = new SelectList(cat.AsEnumerable(), "Category_ID", "Category_Description");

        return View(product);
    }

    //
    // GET: /Admin/Product/Details/5

    public ActionResult Details(int id)
    {
        return View();
    }

    //
    // GET: /Admin/Product/Create

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

    //
    // POST: /Admin/Product/Create

    [HttpPost]
    public ActionResult Create(FormCollection collection)
    {
        try
        {
            // TODO: Add insert logic here

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

    //
    // GET: /Admin/Product/Edit/5

    public ActionResult Edit(int id)
    {
        return View();
    }

    //
    // POST: /Admin/Product/Edit/5

    [HttpPost]
    public ActionResult Edit(int id, FormCollection collection)
    {
        try
        {
            // TODO: Add update logic here

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

    //
    // GET: /Admin/Product/Delete/5

    public ActionResult Delete(int id)
    {
        return View();
    }

    //
    // POST: /Admin/Product/Delete/5

    [HttpPost]
    public ActionResult Delete(int id, FormCollection collection)
    {
        try
        {
            // TODO: Add delete logic here

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

<%:Html.EditorFor(p => p.products.Category_ID %>