{

    "success": "true",

    "data": [

        {

            "spmc": "商品名称2",

            "slv": "税率2",

            "reason": "失败原因"

        },

        {

            "spmc": "商品名称3",

            "slv": "税率3",

            "reason": "失败原因"

        }

    ]

}

        class Result

        {

            public string success;

            public List<Info> goods;

        }



        class Info

        {

            public string spmc;

            public string slv;

            public string reason;

        }

            string json = "{\"success\": \"true\",\"data\": [{\"spmc\": \"商品名称2\",\"slv\": \"税率2\",\"reason\":" +

    "\"失败原因\" },{\"spmc\": \"商品名称3\",  \"slv\": \"税率3\",\"reason\": \"失败原因\"}]}";



            MessageBox.Show(json);

            JavaScriptSerializer Serializer = new JavaScriptSerializer();

            Result msg = new Result();

            msg = Serializer.Deserialize<Result>(json);



            MessageBox.Show(msg.success); //这步没有问题





            foreach (Info good in msg.goods)   //这里报未将对象引用设置到对象的实例。

            {

                MessageBox.Show("reason:" + good.reason + "\r\n slv:" + good.slv + "\r\n spmc:" + good.spmc);

            }