MVC4.0实现批量删除

@using(Html.BeginForm("Delete","Home")){
   <div>
       <input type="submit" value="删除" class="delete" onclick="return confirm(‘确定要删除吗?‘)"/>
   </div>
    <table>
        <tr>
            <th>@Html.CheckBox("chackall")</th>
            <th>标题</th>
            <th>操作</th>
        </tr>
        <tr>
            <td>@Html.CheckBox("checkid",new{ value="1"})</td>
            <td>数据1</td>
            <td>@Html.ActionLink("详细","Details",new{ id="1"})</td>
        </tr>
        <tr>
            <td>@Html.CheckBox("checkid",new{ value="2"})</td>
            <td>数据2</td>
            <td>@Html.ActionLink("详细","Details",new{ id="2"})</td>
        </tr>
        <tr>
            <td>@Html.CheckBox("checkid",new{ value="3"})</td>
            <td>数据3</td>
            <td>@Html.ActionLink("详细","Details",new{ id="3"})</td>
        </tr>
        <tr>
            <td>@Html.CheckBox("checkid",new{ value="4"})</td>
            <td>数据4</td>
            <td>@Html.ActionLink("详细","Details",new{ id="4"})</td>
        </tr>
        <tr>
            <td>@Html.CheckBox("checkid",new{ value="5"})</td>
            <td>数据5</td>
            <td>@Html.ActionLink("详细","Details",new{ id="5"})</td>
        </tr>
    </table>
}

        [HttpPost]
        public ActionResult Delete(List<string> checkid)
        {
            ApplicationContext db=new ApplicationContext();
            try
            {
                // TODO: Add delete logic here
                db.RemoveAll(m => checkid.Contains(m.id));
                db.SaveChanges(); 

                return RedirectToAction("Index");
            }
            catch
            {
                return View();
            }
        }