I believe you want to set the chart range after redrawing. Try using a
"ready" event handler to do this:
function Callback(result) {
data = new google.visualization.DataTable(result);
var range = data.getColumnRange(0);
google.visualization.events.addOneTimeListener(chart, 'ready', function
() {
chart.setVisibleChartRange(new Date(range.max.getFullYear() - 1,
range.max.getMonth(), range.max.getDate()), null); //null sets the maximum
date
}
chart.draw(data,options);
}
On Monday, September 15, 2014 3:27:48 AM UTC-4, Shivani Kanakhara wrote:
>
> Hi,
> I am using annotation chart where the data changes according to item
> selected from DropDownlist.
> It works fine . But every time the data is loaded i want 1 year range to
> be selected by default.
> I used chart.setVisibleRange() but its not working..don't know why.
> I have used webService to load data.
> Here's my code:
>
> google.visualization.events.addListener(chart, 'ready', function () {
> document.getElementById('DropDownList1').onchange = function
> () {
>
> var dropDown = document.getElementById('DropDownList1');
> var value = dropDown[dropDown.selectedIndex].value;
> ChartsDemo.WebService1.GetData(value, Callback);
>
> }
>
> function Callback(result) {
>
> data = new google.visualization.DataTable(result);
> var range = data.getColumnRange(0);
> chart.setVisibleChartRange(new
> Date(range.max.getFullYear() - 1, range.max.getMonth(),
> range.max.getDate()), null); //null sets the maximum date
> chart.draw(data,options);
> }
>
>
> });
>
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