@using (Ajax.BeginForm("Login", "User", new AjaxOptions() { HttpMethod = "post", OnSuccess = "afterOk" }))
{
<input ...一些表单

  <input type="checkbox" id="ckbrecord" name="ckbrecord" checked="checked" value=http://www.mamicode.com/"true"> 记住我，下次免登录哦！
<input type="submit"  value=http://www.mamicode.com/"提交" />
}

<script>
     function afterOk(data) {
        var arr = data.split(":");
        if (arr[0] == "ok") {
            if (arr[1] == "文印管理员")
                window.location.href = "/Admin/Print";
            else if (arr[1] == "insert")
                window.location.href = "/User/EditUserInfo";
            else
                window.location.href = "/Admin/Report";
        } else
            $("#showMsg").text(arr[1]).closest(".row").removeClass("hidden");
    }
</script>

　　public ActionResult Login(User user)
  　　{
            if (string.IsNullOrEmpty(user.Name) || string.IsNullOrEmpty(user.Pwd))
            {
                return Content("no:请输入完整，不能为空！");
            }
            
            user.Loginip = Request.UserHostAddress.ToString();
            user.Registertime = DateTime.Now;
            dao.UpdateUserToCurrentBase(user);//只更新数字校园中得到的数据到当前库中

            User dbuser = dao.GetUserByName(user);

            var record = Request["ckbrecord"].ToBoolean();

            SetCookie(record, user);
            Session["userinfo"] = dbuser;
            return Content("ok:" + dbuser.Rank);
        }

$.ajax({
                cache: true,
                type: "POST",
                url:ajaxCallUrl,
                data:$(‘#yourformid‘).serialize(),// 你的formid
                async: false,
                error: function(request) {
                    alert("Connection error");
                },
                success: function(data) {
                    $("#commonLayout_appcreshi").parent().html(data);
                }
            });