將物件、字串由A傳到B[物件導向]

[[[[[Controller]]]]]
[HttpGet]
public ActionResult A(string Hi, string How)
{
                    Session["Hi"] = Hi;
                    Session["How"] = How;
                    //return RedirectToAction("B");
                    return RedirectToAction("B", "Controller", new { Hi =  Hi, How = How });
}

[HttpGet]
public ActionResult B(string Hi, string How)
{
            FormResult Outer= new FormResult();
            Outer.Hi = Hi== null ? (string)Session["Hi"] : Hi;
            return View();
}
[[[[[View]]]]]
<%@ Page Language="C#" Inherits="System.Web.Mvc.ViewPage<ANZ.Models.FormResult >" %>
<%= Html.HiddenFor(model => model.Hi)%>