+++ /dev/null
----
-title: loadDataFromUrl
-name: functions-loaddatafromurl
----
-
-**function loadDataFromUrl(url);**
-
-**function loadDataFromUrl(url, parent_node);**
-
-**function loadDataFromUrl(parent_node);**
-
-Load data in the tree from an url using ajax. You can **replace the whole tree** or you can **load a subtree**.
-
-{% highlight js %}
-$('#tree1').tree('loadDataFromUrl', '/category/tree/');
-{% endhighlight %}
-
-Load a subtree:
-
-{% highlight js %}
-var node = $('#tree1').tree('getNodeById', 123);
-$('#tree1').tree('loadDataFromUrl', '/category/tree/123', node);
-{% endhighlight %}
-
-You can also omit the url. In this case jqTree will generate a url for you. This is very useful if you use the load-on-demand feature:
-
-{% highlight js %}
-var $tree = $('#tree1');
-
-$tree.tree({
- dataUrl: '/my_data/'
-});
-
-var node = $tree.tree('getNodeById', 456);
-
-// jqTree will load data from /my_data/?node=456
-$tree.tree('loadDataFromUrl', node);
-{% endhighlight %}
-
-You can also add an **on_finished** callback parameter that will be called when the data is loaded:
-
-**function loadDataFromUrl(url, parent_node, on_finished);**
-
-**function loadDataFromUrl(parent_node, on_finished);**
-
-{% highlight js %}
-$('#tree1').tree(
- 'loadDataFromUrl',
- '/category/tree/123',
- null,
- function() {
- alert('data is loaded');
- }
-);
-{% endhighlight %}