Unable to call the Webservice method

[Chris]

I am using the RadTreeView with the ExpandMode = WebService. The root node gets loaded fine with the "+" sign and nothing happens when I click it. It never reaches the breakpoint in the  WebMethod of my web service. I have the same signature as the demo code. The demo example works fine, so obviously Im missing something here. Below is the code
aspx page
 <asp:ScriptManager ID="ScriptManager" runat="server">
    </asp:ScriptManager>
    <telerik:RadTreeView ID="reportsTree" runat="server" Skin="Vista">       
        <WebServiceSettings Method="GetSubFolders" Path="SubFolders.asmx" />
        <Nodes>
            <telerik:RadTreeNode Text="Departments " Value="20" ExpandMode="WebService">
            </telerik:RadTreeNode>
        </Nodes>
    </telerik:RadTreeView>
webservice
[ScriptService]
public class SubFolders : WebService
{    [WebMethod]
    public RadTreeNodeData[] GetSubFolders(RadTreeNodeData node, object context)
    { ///Method implementation here, and breakpoint that is never hit while in debug mode) }
Please let me know if there is something I am missing here.

[Simon]

Hello Chris,

Are you receiving any JavaScript errors on the page when you expand the Node?

Best wishes,
Simon
the Telerik team

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[Chris]

Yes I do receive JavaScript error on the page that is showing RadTreeView.
It says "Telerik is undefined" at line 92
line 92 in the source is
Telerik.Web.UI.RadTreeView._preInitialize("ctl00_LeftPlaceHolder_reportsTree","0");Sys.Application.initialize();

[Chris]

thanks..i did some search on the forums for javascript error, and recreating a Asp.net ajax project fixed it.