But I now realize that this problem is not directly related to the Slider but likely has something to do with the loading sequence of Javascript.
To get to the heart of the problem, I created a simple little user control with this layout code:
<%@
Control Language="C#" AutoEventWireup="true"
CodeBehind="FullFaceMining.ascx.cs"
Inherits="DataEntry.UserControls.FullFaceMining" %>
<script type="text/javascript">
function radTreeView1_Test(sender, eventArgs) {
debugger
}
</script>
<telerik:RadTreeView ID="radTreeView1" runat="server" OnClientDoubleClick="radTreeView1_Test">
</telerik:RadTreeView>
Note that it doesn't actually "do" anything but it has the same pattern of a client-side event referring to a client-side event handler. Lo and behold, it also fails when it's loaded. So at least there's some consistency!
But please believe me ... this was all working fine for the past 6 months!!! Suddenly and inexplicably, my project is seemingly unable to reference a user control's Javascript code now. Clearly I've changed something that has effected this problem but what?!?
Robert W.Vancouver, BC