Can you store additional data with radTreeView?

[David]

Hi, Can I somehow add additional data to a treeview node AND access it through javascript?  For example, what if I wanted to bind "category" data to be stored with each node below?

siteData.Add(new SiteDataItem(6, 2, "RadEditor", "editor"));
siteData.Add(new SiteDataItem(7, 3, "RadGrid", "grid"));
siteData.Add(new SiteDataItem(8, 3, "RadMenu", "menu"));
siteData.Add(new SiteDataItem(9, 3, "RadEditor", "editor")); 
....          
treeView.DataTextField = "Text";
treeView.DataFieldID = "ID";
treeView.DataValueField = "Value";
treeView.DataFieldParentID = "ParentID";
treeView.DataSource = siteData;
treeView.DataBind();

...Can I then pull the category value using javascript similar to how I access the value or text?

node.get_value()
"ajax"

node.get_text()
"RadControls for ASP.NET Ajax"

[Kevin]

Hey David,

You could handle the OnNodeDataBound event of the RadTreeView and set the category that way. Like so:

Code-Behind:

protected void RadTreeView1_NodeDataBound(object sender, RadTreeNodeEventArgs e)
   {
       SiteDataItem dataItem = (SiteDataItem)e.Node.DataItem;
       e.Node.Category = dataItem.Category;
   }

Then in javascript you can the category like so:

Javascript:

node.get_category()

I hope that helps.

[David]

Thanks! that worked.

[Marbry]

I just been adding attributes to nodes as needed to store additional data.

Set it on the server.

myRadTreeViewNode.Attributes.Add("MaxLength", MaxLengthValue);

Retrieve it on the client.

node._attributes.getAttribute("MaxLength");