mvc3.0 Html.BeginForm() submit提交后为什么control取实体为空呢

Question

@model MVC3Test1.Models.Person
@{
    ViewBag.Title = "修改人员";
    Layout = "~/Views/Shared/_Layout.cshtml";
}
<h2>
    修改人员</h2>
<script src="@Url.Content("~/Scripts/jquery.validate.min.js")" type="text/javascript"></script>
<script src="@Url.Content("~/Scripts/jquery.validate.unobtrusive.min.js")" type="text/javascript"></script>
@using (Html.BeginForm())
{
    @Html.ValidationSummary(true)
    <fieldset>
        <legend>人员信息</legend>
        @Html.HiddenFor(model => model.ID)
        <div class="editor-label">@Html.LabelFor(model => model.Name)</div>
        <div class="editor-field">@Html.EditorFor(model => model.Name)
            @Html.ValidationMessageFor(model => model.Name)
        </div>
        <div class="editor-label">@Html.LabelFor(model=>model.Age)</div>
        <div class="editor-field">@Html.EditorFor(model=>model.Age)
        @Html.ValidationMessageFor(model=>model.Age)</div>
        <p>
            <input type="submit" value="保存" />
        </p>
    </fieldset>
}
<div>
    @Html.ActionLink("返回列表", "Index")
</div>        //修改方法
        // POST: /Person/Edit/5        [HttpPost]
        public ActionResult Edit(int id, Person person)
        {
            try
            {
                foreach (Person item in ls)
                {
                    if (item.ID.Equals(id))
                    {
                        item.Name = person.Name;
                        item.Age = person.Age;
                        return RedirectToAction("Index");
                    }
                }
            }
            catch
            {
                return View();
            }
            return View();
        }

Answer 1

我也碰到这种问题了
  <tr>
                    <td>
                        @Html.Label("生日")
                    </td>
                    <td>
                        @Html.TextBoxFor(model => model.Birthday, new { onclick = "displayCalendar(Birthday,'yyyy-mm-dd',this)" })
                    </td>
                </tr>
                <tr>
                    <td>
                        @Html.Label("QQ号码")
                    </td>
                    <td>
                        @Html.EditorFor(model => model.QQ)
                        @Html.ValidationMessageFor(model => model.QQ)
                    </td>
                </tr>
                <tr>
                    <td>
                        @Html.Label("手机号码")
                    </td>
                    <td>
                        @Html.EditorFor(model => model.LongTel)
                        @Html.ValidationMessageFor(model => model.LongTel)
                    </td>
                </tr>
                <tr>
                    <td>
                        @Html.Label("手机短号")
                    </td>
                    <td>
                        @Html.EditorFor(model => model.ShortTel)
                        @Html.ValidationMessageFor(model => model.ShortTel)
                    </td>
                </tr>
其他的EditorFor都可以在后台获得页面输入的值，就是LongTel始终是0。
搞不懂怎么回事