Hashtable ht = new Hashtable();

                //ht.Add("name", "hello_world");

                //ht.Add("type", "line");

                //ht.Add("threshold", null);

                ht.Add("data", ds.Tables[0]);

                

                string strJson = Newtonsoft.Json.JsonConvert.SerializeObject(ht);

                Response.Clear();

                Response.ContentEncoding = Encoding.UTF8;

                Response.ContentType = "application/json";

                Response.Write(strJson);

                Response.Flush();

                Response.End();

    $.post("HistoryCurce.aspx", { id: 4, spot: checkedspot }, function (data) {

               

              

               // alert(series1);

               

                $('#container').highcharts('StockChart', {

                    chart: {

                        type: 'line',

                        marginRight: 130,

                        marginBottom: 25

                    },

                    rangeSelector: {

                        selected: 1

                    },



                    title: {

     &n