Hide tree view node in asp.net

protected void Page_Load(object sender, EventArgs e)
{
  RemoveNodeRecurrently(TreeView1.Nodes, "YourTreeNodeText");
}

private void RemoveNodeRecurrently(TreeNodeCollection childNodeCollection, string text)
{
  foreach (TreeNode childNode in childNodeCollection)
  {
    if (childNode.ChildNodes.Count > 0)
      RemoveNodeRecurrently(childNode.ChildNodes, text);

    if (childNode.Text == text)
    {
      TreeNode parentNode = childNode.Parent;
      parentNode.ChildNodes.Remove(childNode);
      break;
    }
  }
}