如何在$.ajax 的data里面传json格式数据
问题一
jsondata={"Participant":[{"Name_1":"1","Position_1":"1","Tel_1":"1","Mobile_1":"1","Ohter_1":"1"},{"Name_2":"1","Position_2":"1","Tel_2":"2","Mobile_2":"2","Ohter_2":"2"}]} 

$.ajax({
                type: "POST",
                contentType: "application/json;charset=utf-8",
                url: "ApplyEdit.aspx/SaveParticipant",
                data: 这里该怎么写,
                dataType: "json",
                complete: function () { },
                success: function (result) {
                },
                error: function (result, status) { }
            });
谁能告诉我这个  data:这里该如何写，我要把jsondata传到后台去

问题二
平时用的时候我有时候这么写就可以 data:{"name":name,"sex":sex},
有点时候又必须要这样写才行才能传值成功 data:"{\"name\":\""+name+"\",\"sex\":\""+sex+"\"}",
一直不明白为什么，望各位大大帮忙解释下，不胜感激


------解决方案--------------------
将json对象转对对应的json格式的字符串就行了，下载：json2.js导入页面中

<script src="http://www.coding123.net/rardownload/20130106/20130106170832648.js"></script>

<script>

var jsondata={"Participant":[{"Name_1":"1","Position_1":"1","Tel_1":"1","Mobile_1":"1","Ohter_1":"1"},{"Name_2":"1","Position_2":"1","Tel_2":"2","Mobile_2":"2","Ohter_2":"2"}]} 

$.ajax({

                type: "POST",