Update node from the tree.
Parameters
| Name | Type | Description | 
|---|---|---|
| id | {string} | The id of the node that needs to be updated | 
| record | {object} | The node as jQuery object | 
Examples
Method Sample
    
 <input type="text" id="nodeName" />
 <button onclick="save()" class="gj-button-md">Save</button>
 <br/>
 <div id="tree"></div>
 <script>
     var tree = $('#tree').tree({
         primaryKey: 'id',
         dataSource: '/Locations/Get'
     });
     tree.on('select', function (e, node, id) {
         $('#nodeName').val(tree.getDataById(id).text);
     });
     function save() {
         var id = tree.getSelections()[0],
             record = tree.getDataById(id);
         record.text = $('#nodeName').val();
         tree.updateNode(id, record);
     }
 </script>