or
protected override void OnInit(EventArgs e){ base.OnInit(e); RadFileExplorer1.TreeView.NodeDataBound += new RadTreeViewEventHandler(RadTreeView_OnNodeDataBound);}private void FillTreeViewNodesWithAttributes(RadTreeNode node){ FileBrowserItem fileBrowserItem = (FileBrowserItem)node.DataItem; foreach (string key in fileBrowserItem.Attributes.AllKeys) { node.Attributes[key] = fileBrowserItem.Attributes[key]; } if (node.Nodes.Count > 0) { foreach (RadTreeNode childNode in node.Nodes) { FillTreeViewNodesWithAttributes(childNode); } }}