public class Products
  {
    public int Id { get; set; }
    public string Name { get; set; }
    public double Price { get; set; }
  }

var p = new Products()
      {
        Id = 1,
        Name = "饮料",
        Price = 2.5
      };

ViewData["person"] = p;

@{
  var p = (Products)ViewData["person"];
}
<h1>@p.Id</h1>
<h2>@p.Name</h2>
<h3>@p.Price</h3>

ViewBag._Product = p;

@{
  var p = (Products)ViewBag._Product;
}

public ActionResult Index()

    {

      var p = new Products()

      {

        Id = 1,

        Name = "饮料",

        Price = 2.5

      };

      return View(p);

    } 

@using MvcTest.Models;
@model Products
@{
  ViewBag.Title = "Index";
}
<h1>@Model.Id</h1>
<h2>@Model.Name</h2>
<h3>@Model.Price</h3>

public ActionResult Index()
    {
      var p = new Products()
      {
        Id = 1,
        Name = "饮料",
        Price = 2.5
      };
      TempData["_product"] = p;
      return RedirectToAction("Order");
    }
    public ActionResult Order()
    {
　　　　　　return View();
    }

@{
  Products p = (Products)TempData["_product"];
}

public ActionResult Index()
    {
      var p = new Products()
      {
        Id = 1,
        Name = "饮料",
        Price = 2.5
      };
      TempData["_product"] = p;
      return RedirectToAction("Order");
    }
    public ActionResult Order()
    {
      return RedirectToAction("Detail");
    }
    public ActionResult Detail()
    {
      Products _product = (Products)TempData["_product"];
      return View("");
    }