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POLoading google datatable using ajax/json
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2877805
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2010-05-20T21:01:26.657
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2013-05-07T18:03:53.957
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2010-05-20T21:06:16.023
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<p>I can't figure out how to load a datable using ajax/json. Here is my json code in a remote file (pie.json) </p> <pre><code>{ cols: [{id: 'task', label: 'Task', type: 'string'}, {id: 'hours', label: 'Hours per Day', type: 'number'}], rows: [{c:[{v: 'Work'}, {v: 11}]}, {c:[{v: 'Eat'}, {v: 2}]}, {c:[{v: 'Commute'}, {v: 2}]}, {c:[{v: 'Watch TV'}, {v:2}]}, {c:[{v: 'Sleep'}, {v:7, f:'7.000'}]} ] } </code></pre> <p>This is what I have tried so far but it doesn't work. </p> <pre><code><script type="text/javascript" src="http://www.google.com/jsapi"></script> <script type="text/javascript"> google.load("visualization", "1", {packages:["piechart"]}); function ajaxjson() { jsonreq=GetXmlHttpObject(); jsonreq.open("GET", "pie.json", true); jsonreq.onreadystatechange = jsonHandler; jsonreq.send(null); } function jsonHandler() { if (jsonreq.readyState == 4) { var res = jsonreq.responseText; google.setOnLoadCallback(drawChart); function drawChart() { var data = new google.visualization.DataTable(res, 0.6) var chart = new google.visualization.PieChart(document.getElementByI('chart_div')); chart.draw(data, {width: 400, height: 240, is3D: true}); } // end drawChart } // end if } // end jsonHandler function GetXmlHttpObject() { var xmlHttp=null; xmlHttp=new ActiveXObject("Microsoft.XMLHTTP"); return xmlHttp; } </code></pre> <p></p> <p>Things work perfectly if I replace the 'res' variable with the actual code in pie.json.</p> <p>Any help would be greatly appreciated. </p>
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<ajax><json><datatable><google-visualization>
Title
Loading google datatable using ajax/json
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