<iframe style="display:none;" name="gg"></iframe>

        <form action="/demo/add" method="post" target="gg">

            <table class="info_form table table-striped">

                <tr>

                    <td>姓名</td>

                    <td><input name="name" /></td>

                </tr>

                <tr>

                    <td>年龄</td>

                    <td><input name="age" /></td>

                </tr>

                <tr>

                    <td>颜值</td>

                    <td><input name="yz" /></td>

                </tr>

            </table>

            <button class="btn btn-default" type="submit">确定</button>

        </form>
<script>
function call_back(){
　　alert("睡你妈逼，起来嗨！");
}
</script>
注意:form的target属性。设置为iframe的name属性值。这样的话后台返回的view会显示在iframe中

public ActionResult Add()

        {

            return View();

        }

        [HttpPost]

        public ActionResult Add(my m)

        {

            testEntities t = new testEntities();

            t.my.Add(m);

            t.SaveChanges();

            return Content("<script>parent.call_back();</script>");

        }