I\'m trying to use a google visualisation, the column chart, inside an asp.net AJAX Toolkit Tab Control, but I\'m having small (literally) problems.
If I add the visual
Ok, I didn't get a single response to this post so here is how I worked around the problem, hope it helps someone.
I never actually got the the root of this problem but I found that if I delayed the loading of the Visualisations till the tab that contains it is clicked then the problem goes away.
In the TabControl I call a JavaScript function to load the tabs visualisation when clicked:
The JavaScript function
function tabChanged(sender, args) {
var ActiveTab = sender.get_activeTabIndex();
if (sender.get_activeTabIndex() == 0) {
if (tab0Loaded != true) {
//load the visualisation
new google.visualization.ColumnChart(document.getElementById('visualization2')).draw(data, null);
tab0Loaded = true
}
}
if (sender.get_activeTabIndex() == 1) {
if (tab1Loaded != true) {
//load the visualisation
new google.visualization.ColumnChart(document.getElementById('visualization2')).draw(data, null);
tab1Loaded = true
}
}
}
During postback the active tab could change, to cope with this I have a JavaScript function that executes when the page loads, if the current active tab is one containing a visualisation then I load it.