Hook up a "onmouseover" event listener to the chart:
google.visualization.events.addListener(chart, 'onmouseover', function (e) {
// get row and column information from the event
var row = e.row;
var column = e.column;
// fetch data from the DataTable with the row and column information
var value = data.getValue(row, column);
// do something with the value
});
On Saturday, March 9, 2013 5:44:28 AM UTC-5, praveenkumar golla wrote:
>
> i created a column chart using google api, my tooltip shows values i want
> to draw a piechart using these values when mouse hover to a column is there
> a way to do this.
>
> thanks in advance
>
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