1.C#   

public partial class WebForm2 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
        }

        public Models.Users[] obj { get; set; }
        protected void Button1_Click(object sender, EventArgs e)
        {
            //json
            string strs = "{\"ID\":\"2\",\"UserName\":\"zhonguog\",\"PassWord\":\"125\",\"Nickname\":\"放開那段程式碼\"}";
            JObject jonObj = JObject.Parse(strs);//引用Newtonsoft.Json.Linq;
            Response.Write(jonObj["UserName"].ToString() + "------" + jonObj["PassWord"].ToString());
            Response.Write("<br />");

            //
            string strstwo = "{\"obj\":[{\"ID\":\"2\",\"UserName\":\"Ybvk\",\"PassWord\":\"125\",\"Nickname\":\"放開那段程式碼\"}]}";
            var c = Newtonsoft.Json.JsonConvert.DeserializeObject<restType>(strstwo);
            Models.Users[] res = c.obj;
            for (int i = 0; i < res.Length; i++)
            {
                Response.Write(res[i].UserName + "------" + res[i].PassWord);
            }
            Response.Write("<br />");
           
            //
            var cv = Newtonsoft.Json.JsonConvert.DeserializeObject<WebForm2>(strstwo);
            Models.Users[] rs = c.obj;
            for (int i = 0; i < rs.Length; i++)
            {
                Response.Write(res[i].UserName + "------" + res[i].PassWord);
            }
            Response.Write("<br />");


            //Json字串
            var vj = "[{\"ID\":\"2\",\"UserName\":\"Ybvk\",\"PassWord\":\"125\",\"Nickname\":\"放開那段程式碼\"}]";
            JArray jsonObj = JArray.Parse(vj);
            foreach (JObject jObject in jsonObj)
            {
                Response.Write(jObject["UserName"].ToString());
            }
            Response.Write("<br />");


            //多層巢狀的陣列
            string strsfpur = "{\"obj\":[{\"ID\":\"2\",\"UserName\":\"Ybvk\",\"PassWord\":\"125\",\"Nickname\":\"放開那段程式碼\"}]}";
            JObject jobj= JObject.Parse(strsfpur);
            JArray jar = JArray.Parse(jobj["obj"].ToString());
            JObject j = JObject.Parse(jar[0].ToString());
            Response.Write(j["UserName"].ToString() + j["PassWord"].ToString());
            Response.Write("<br />");
            Response.Write("<br />");


            //Json巢狀Json
            var vj2 = "[{\"obj\":[{\"ID\":\"2\",\"UserName\":\"Ybvk\",\"PassWord\":\"125\",\"Nickname\":\"放開那段程式碼\"}]}]";
            JArray jsonObj2 = JArray.Parse(vj2);
       
            foreach (JObject jObject2 in jsonObj2)
            {
                JArray jsonObj3 = JArray.Parse(jObject2["obj"].ToString());
                foreach (JObject jObject3 in jsonObj3)
                {
                    Response.Write(jObject3["UserName"].ToString());
                }
            }
        }
    }


    public class restType
    {
        public Models.Users[] obj { get; set; }
    }