single click

[richard]

Please can you tell me if it is possible to expand a treenode node with single click using populate on demand server side.

Thank you very much

Richard

[Princy]

Hello,

Try the following code snippet to expand on node click.
CS:

protected void RadTreeView1_NodeClick(object sender, Telerik.Web.UI.RadTreeNodeEventArgs e)
 {
  RadTreeView1.SelectedNode.Expanded = true;
 }

Thanks,
Princy.

[Plamen]

Hi Richard,

I would recommend you rather add the method that populates the nodes to the click event. Here is the code that I added to our Load on demand Modes demo that worked at my side:

protected void RadTreeView2_NodeClick(object sender, RadTreeNodeEventArgs e)
   {
       if (e.Node.Nodes.Count == 0)
           PopulateNodeOnDemand(e, TreeNodeExpandMode.ServerSide);
   }

Hope this will be helpful.

All the best,
Plamen Zdravkov
the Telerik team

[richard]

Many thanks Plamen

I have tried your code snippet, but it does not seem to respond to a single click?
I am wondering do I need to assign it to an event in the ASPX file?

I have looked at  your modes demo but this also only seams to respond to a double click.

Best Regards
Richard

[richard]

Update:
I have tried allocating your snippet to OnNodeClick but this seems to trigger a complete postback and the whole page is refereshed, and the OnNode|Expand event is not fired at all.

I think somehow I need a client side click event that will somehow trigger the event assigned to OnNodeExpand

[Plamen]

Hi Richard,

You can try to use the onClientNodeClick event as in the code:

function clientNodeClicked(sender, args){
args.get_node().set_expanded(true);

Hope this will help.

Kind regards,
Plamen Zdravkov
the Telerik team