Three things:
1) you forgot to create the ColumnChart. Put this before the event handler:
var columnChart = new
google.visualization.ColumnChart(document.getElementById('column_chart_div'));
2) you don't need to call google.visualization.events.trigger; the API will
call that by itself when you select an element.
3) you don't want to call google.load or google.setOnLoadCallback a second
time; just add the corechart package to the list of packages loaded in the
initial load call.
See this: http://jsfiddle.net/asgallant/DjYfN/1/
On Saturday, May 18, 2013 10:29:02 AM UTC-4, hertyu wrote:
>
> Hi!
> I'm doing something like that, but instead of a Pie Chart,I'm using a
> Treemap.
>
> I have done everything related to the TreeMap, and I've been trying to
> adapt the example you've made it to my problem, but I have not gotten it
> right.
>
> My code is this:
> http://jsfiddle.net/hertyu/DjYfN/
>
> Would I could say that is what I have wrong?
>
> A lot of thanks
>
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