high chart according to date

Question

HI ALL

i try to display pie chart according to date .. when i select value from drop-down and dates from calendar first i try to display data in alert box..

so data is successfully in alert box now i want data in pie chart i try this but chart not display

<script type="text/javascript">
var strArray = "[['sfdsdfLi', 9],['Kiwsdfi', 3],['Mixesdfd nuts', 1],['Oranges', 6],['Grapes (bunch)', 1]]";

$(function () {
$('[id*=search_data]').on('click', function () {
var from = $('[id*=fromdate]').val();
var to = $('[id*=todate]').val();
var reg = $('[id*=regiondrop] option:selected')[0].value;
var obj = {};
obj.fdate = from;
obj.tdate = to;
obj.region = reg;
GetData(obj);
return false;
});
});
function GetData(obj) {
$.ajax({
type: "POST",
contentType: "application/json; charset=utf-8",
url: "WebForm1.aspx/GetVo",
data: JSON.stringify(obj),
dataType: "json",
success: function (result) {

alert(result.d);
alert('u');
//start
strArray = result.d;
var myarray = eval(strArray);
drawchar(myarray)

$('#containerr').highcharts({
chart: {
type: 'pie',
options3d: {
enabled: true,
alpha: 45
}
},
title: {
text: 'Contents of Highsoft\'s weekly fruit delivery'
},
subtitle: {
text: '3D donut in Highcharts'
},
plotOptions: {
pie: {
innerSize: 100,
depth: 45
}
},
series: [{
name: 'Delivered amount',
data: myarray
}]
});
},
error: function (Result) {
alert("Error");
}
});
}
</script>

 return data is

[['DPSB',1],['mv',11],['PSB',8]]