Hi John,

I'm guessing you're using the Multi-Node Tree Picker and saving your data as XML ?

Using the node factory API, from the current node you could loop though each Node in the Node.Children property to find the 'downloads' Node:

Node currentNode = Node.GetCurrent();
Node downloadsNode = null;

foreach (Node childNode in currentNode.Children)
{
  if (childNode.NodeTypeAlias == "downloads")
  {
    downloadsNode = childNode;
    break;
  }
}

With the downloadsNode containg the MultiNodePicker property, the following will return the XML string stored by the MultiNodePicker:
eg. "<MultiNodePicker><nodeId>1</nodeId><nodeId>2</nodeId></MultiNodePicker>"

string pickerValue = string.Empty;
Property pickerProperty = downloadsNode.GetProperty("MultiNodePicker");

if (pickerProperty != null)
{
  pickerValue = pickerProperty.Value;
}

To process this XML string and return a collection of Nodes:

List<Node> pickedNodes = new List<Node>();
Node node;
int id;

using (XmlReader xmlReader = XmlReader.Create(new StringReader(pickerValue)))
{
  xmlReader.Read();
  if(xmlReader.Name == "MultiNodePicker")
  {
    // Position on first <nodeId>
    xmlReader.ReadStartElement();

    while (!xmlReader.EOF)
    {
      if(xmlReader.NodeType == XmlNodeType.Element && xmlReader.Name == "nodeId")
      {
        node = new Node(xmlReader.ReadElementContentAsInt())
        if (node != null)
        {
          pickedNodes.Add(node);
        }
      }
      else
      {
        // Step the reader on
        xmlReader.Read();
      }                     
    }
  }
}

Here's an example using the uQuery helper library which allows Linq queries to navigate the node structure, handles the null checks and creates a Node collection from a Multi-Node Tree Picker Xml snippet:

Node downloadsNode = uQuery.GetCurrentNode()
                           .GetChildNodes()
                           .Where(node => node.NodeTypeAlias == "downloads")
                           .FirstOrDefault();

if(downloadsNode != null)
{ 
  List<Node> pickedNodes = 
    uQuery.GetNodesByXml(downloadsNode.GetProperty<string>("MultiNodePicker"));
}

HTH,

Hendy