display children of children - API Questions

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Phil Crowe 192 posts 256 karma points

Apr 20, 2010 @ 12:38

0

display children of children

im using the nodefactory to display children of a specified node:

   Node node = new umbraco.presentation.nodeFactory.Node(1125);

   Nodes childrenNodes = node.Children;

   RptDisplayResults.DataSource = childrenNodes;

   RptDisplayResults.DataBind();

this works fine. But i need to display the children of these children as well. Basically every node including grandchildren of the specified node. How can i do this?

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Phil Crowe 192 posts 256 karma points

Apr 20, 2010 @ 15:17

0

Is there anyone who has an answer to this pleeeease?

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Thomas Höhler 1237 posts 1709 karma points MVP

Apr 20, 2010 @ 15:33

Out of my mind some code with recursion:

public void MethodWhereIFilledTheList()
{
  Node parentNode = new umbraco.presentation.nodeFactory.Node(1125);
  List<Node> myList = new List<Node>();
  AddChildNodes(myList, parentNode);
}

public void AddChildNodes(List<Node> list, Node parentNode)
{
  for each (Node child in parentNode.Children)
  {
    list.Add(child);
    AddChildNodes(list, child);
  }
}

hth, Thomas

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Hendy Racher 863 posts 3849 karma points MVP 2x admin c-trib

Apr 20, 2010 @ 16:01

or how about an xpath expression with the the following method:

    public static List<Node> GetNodesFromXpath(string xPath)
    {
        List<Node> nodes = new List<Node>();

        XPathNavigator xPathNavigator = umbraco.content.Instance.XmlContent.CreateNavigator(); //get all umbraco xml
        XPathNodeIterator xPathNodeIterator = xPathNavigator.Select(xPath); //TODO: check xpath string is valid

        int id;
        Node node;

        while (xPathNodeIterator.MoveNext())
        {
            if (int.TryParse(xPathNodeIterator.Current.Evaluate("string(@id)").ToString(), out id)) //check id is a numberic
            {
                node = new Node(id);
                if (node != null) { nodes.Add(node); }
            }
        }

        return nodes;
    }

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