code

<script type="text/javascript">

     var strarr = "[{name:'sfdsdfLi', y:9}, {name:'Kiwsdfi', y:3}, {name:'Mixesdfdnuts', y:1} ,{name:'Oranges', y:6}, {name:'Grapes', y:1}]";

     $(function () {

         $("#search_data").on('click', function () {

             var fromdate = $('[ID*=fromdate]').val();

             var todate = $('[ID*=todate]').val();

             var value = $('[ID*=valuedrop] option:selected')[0].value;

             var obj = {};

             var value = {};

             obj.fromdate = fromdate;

             obj.todate = todate;

             obj.value = value;

             value = value;

             Getdata(obj, reg);

             return false;

         });

     });

     function Getdata(obj, reg) {

 

         $.ajax({

             type: "POST",

             url: "WebForm1.aspx/GetVo",

             data: JSON.stringify(obj),

             contentType: "application/json; charset=utf-8",

             dataType: "json",

             async: true,

             cache: false,

             success: function (result) {

               var myData = result.d;

                 console.log(result.d);

                 if (myData !== null && Object.keys(myData).length !== 0) {

                     strarr = result.d;

                     var myarr = eval(strarr);

                    // Drewchart(myarr);

                     $("#tabledata").show();

                     $("#container").show();

                     $("#Button6").show();

                     $("#<%=Label5.ClientID%>").hide();

                     $("#<%=Label4.ClientID%>").hide();

                     $("#<%=CrystalReportViewer1.ClientID%>").hide();

              }

              else {

                  $("#tabledata").hide();

                  $("#container").hide();

                  $("#cont").hide();

                  $("#<%=Label5.ClientID%>").show();

                  $("#<%=Label5.ClientID%>").text("DATA NOT FOUND");

                  $("#<%=Label4.ClientID%>").hide();

 

                  return;

                 }                

            },

 

            error: function (error) {

                alert('no data');

            }

        });   

  }

 

 </script>