public ActionResult Address(User user)

         {

             return View();

         }

     public class User

     {

         public string Name { get; set; }

         /// <summary>

         /// 子对象(单个)

         /// </summary>

         public Address Address { get; set; }

         /// <summary>

         /// 子对象(集合)

         /// </summary>

         public List<Nick> Nicks { get; set; }

     }

     public class Address

     {

         public string City { get; set; }

         public string Email { get; set; }

     }

     public class Nick {

         public string Name { get; set; }

     }

@*错误的传参*@

<a href="@Url.Action("Address", new MvcApplication.Models.User

    {

         Name ="小",

        Address = new MvcApplication.Models.Address { City ="成都", Email="4444441@qq.com" }

    })">点击测试1</a>

<br />

@*正确的url传参*@

<a href="/Home/Address?Name=小&Address.Email=11&Nicks[0].Name=测试">点击测试2</a>

@*正确的表单提交*@

<form action="/Home/Address" method="get">

    <input type="hidden" name="Name" value="小" />

    <input type="hidden" name="Address.Email" value="" />

    <input type="hidden" name="Nicks[0].Name" value="测试" />

    <input type="submit"  value="测试3"/>

</form>