The simple answer is "with JavaScript".
If you are filling that DIV with the result of a normal RESTful route, like
/widgets/2 (show) then you can do something like this:
$('widget_id_picker_dom_id').observe('change', function(evt){
new Ajax.Updater('div_to_update', '/widgets/' + $F(this), {
method: 'get });
});
That's Prototype.js code, I am sure there is something similar in jQuery.
If you need a separate route for this job, then you can add that in your
controller and routes.rb files, and have a more complex workflow if that is
warranted.
Walter
On Jun 10, 2013, at 6:55 AM, Praveen BK wrote:
> How can I refresh a particular div or a partial using onChange of a
> dropdown menu without reloading the page?
>
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