json 数据转换

string tasklist = Request.Params["Taskmodel"];
        pt.Model.T_Task Taskmodel = JsonConvert.DeserializeObject<pt.Model.T_Task>(tasklist);

  
        StringBuilder sbs = new StringBuilder();
        sbs.Append("{\"flag\":" + flag + ",\"msg\":\"" + msg + "\"}");
        HttpContext.Current.Response.Write(sbs.ToString());
        HttpContext.Current.Response.End();
 

  public void WriteJSON(Object hs, HttpResponse MyResponse)
    {
        System.Web.Script.Serialization.JavaScriptSerializer jss = new System.Web.Script.Serialization.JavaScriptSerializer();
        StringBuilder json = new StringBuilder();
        jss.Serialize(hs, json);
        MyResponse.ContentType = "json";
        MyResponse.Write(json.ToString());
        MyResponse.End();
    }