This way
<script type="text/javascript">
google.load("visualization", "1", { packages: ["corechart"] });
google.setOnLoadCallback(drawChart);
function drawChart() {
var options = {
title: 'USA City Distribution'
};
var chartType = $("#rblChartType input:checked").val();
//3D Pie Chart
if (chartType == "2") {
options.is3D = true;
}
//Doughnut Chart
if (chartType == "3") {
options.pieHole = 0.5;
}
//************Legend Position************//
//options.legend = 'right'; //Default
//options.legend = 'bottom';
//options.legend = 'top';
//options.legend = 'left';
options.legend = 'none';
//************Legend Position************//
$.ajax({
type: "POST",
url: "CS.aspx/GetChartData",
data: '{}',
contentType: "application/json; charset=utf-8",
dataType: "json",
success: function (r) {
var data = google.visualization.arrayToDataTable(r.d);
var chart = new google.visualization.PieChart($("#chart")[0]);
chart.draw(data, options);
},
failure: function (r) {
alert(r.d);
},
error: function (r) {
alert(r.d);
}
});
}
</script>