public ActionResult index() { Session["a"] = "aaa"; System.Web.HttpContext.Current.Session["b"] = "bbb"; Response.Redirect("about"); //return Content(""); return Redirect("about"); } public ActionResult about() { var a1 = Session["a"]; var a2 = System.Web.HttpContext.Current.Session["a"]; var b1 = Session["b"]; var b2 = System.Web.HttpContext.Current.Session["b"]; return Content(a1.ToString() + b2.ToString()); }