Duplcate values in piechart.

[vivek krishna]

"The Piechart created using the below code displays duplicate values randomly, on refreshing the chart gets corrected."

Want to understand the problem and solution thereof...

Code :- 

<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>

<script type="text/javascript" src="https://www.google.com/jsapi"></script>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>

$.ajax({

type: "POST",

dataType: "json",

contentType: "application/json",

url: '@Url.Action("VisualizeBookingStatus", "View")',

success: function (result) {

// Load the Visualization API and the corechart package.

google.charts.load('current', { 'packages': ['corechart'] });

// Set a callback to run when the Google Visualization API is loaded.

google.charts.setOnLoadCallback(function () {

drawChart(result);

});

}

});

});

function drawChart(result) {

var data = new google.visualization.DataTable();

data.addColumn('string', 'Agency');

data.addColumn('number', 'Booked');

var dataArray = [];

$.each(result, function (i, obj) {

dataArray.push([obj.agency, obj.booking_count]);

});

data.addRows(dataArray);

var chartoptions = {

'title': 'Booking-Agencywise',

chartArea: { width: 500, height: 400 },

is3D: true

};

var chart = new google.visualization.PieChart(document.getElementById('piechart'));

chart.draw(data, chartoptions);

}

[Victor Wong]

Thank you! 

Are you an expert on the animations column charts in the google apis?

I'm now trying to get the column chart (there are 12 columns that I want to shrink  to 'zero' when I click on the button) to shrink using a constant velocity  to zero for all 12 column charts..

I'm so new to this and I'm a deer in a dark place..

Any suggestions would be appreciated!

Thanks,

Victor!

PS: if you want my code and html page let me know..

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