public void TreeViewExpandNode(HttpContext context)
{
// Get the path to the tree view node
// from the http request's parameters.
string path = context.Request.Params["Path"];
// Get the id of the tree view
// from the http request's paramters.
string idTreeView = context.Request.Params["IdTreeView"];
if (HttpContext.Current.Session["TreeView" + idTreeView] == null)
{
return;
}
TreeView treeView = (TreeView)HttpContext.Current.Session["TreeView" + idTreeView];
TreeViewNode node = treeView.Select(path);
if (node == null)
{
return;
}
node.Expanded = true;
Panel pnlChildNodes = node.RenderChildNodes(true);
context.Response.Write(pnlChildNodes.ToHtml());
}