Sachin,
I know this is an older report, but I ran into the same issue. Below is the
code that I used to get this to work.
<html>
<head>
<script type="text/javascript"
src="https://www.gstatic.com/charts/loader.js";></script>
<script src="papaparse.js"></script>
<script
src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js";></script>
<script type="text/javascript">
google.charts.load('current', {'packages':['treemap']});
google.charts.setOnLoadCallback(drawChart);
function drawChart() {
var csvfile = "data.csv";
$.get(csvfile, function (data) {
var csvdata = Papa.parse(data, {
dynamicTyping: true
});
csvdata.data[1][1] = null;
var alpha =
google.visualization.arrayToDataTable(csvdata.data,false);
tree = new
google.visualization.TreeMap(document.getElementById('chart_div'));
tree.draw(alpha, {
minColor: '#f00',
midColor: '#ddd',
maxColor: '#0d0',
headerHeight: 15,
fontColor: 'black',
showScale: true
});
});
}
</script>
</head>
<body>
<div id="chart_div" style="width: 900px; height: 500px;"></div>
</body>
</html>
The csv file I used looks like the following:
Location,Parent,Markettradevolume(size),Marketincrease/decrease(color)
Global,null,0,0
America,Global,0,0
Europe,Global,0,0
Asia,Global,0,0
Australia,Global,0,0
Africa,Global,0,0
Brazil,America,11,10
USA,America,52,31
Mexico,America,24,12
Canada,America,16,-23
France,Europe,42,-11
Germany,Europe,31,-2
Sweden,Europe,22,-13
Italy,Europe,17,4
UK,Europe,21,-5
China,Asia,36,4
Japan,Asia,20,-12
India,Asia,40,63
Laos,Asia,4,34
Mongolia,Asia,1,-5
Israel,Asia,12,24
Iran,Asia,18,13
Pakistan,Asia,11,-52
Egypt,Africa,21,0
S.Africa,Africa,30,43
Sudan,Africa,12,2
Congo,Africa,10,12
Zaire,Africa,8,10
The reason you get the row failed error for 'null' is because the null
value must not contain quotes with the Google Visualization API. Don't know
why they made it like that, but that's what I found out.
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