(using v8.2) 

I have just discovered that the dropdown appears in the IE7 of  another machine running WinXP. Perhaps the problem happens only if I want to see the page in the webserver.

A JavaScript error on the page would cause the error to not appear.

Are you using the latest hot fix of the version of NetAdvantage for .NET that you're using?  For that matter, which version of the toolset are you using?

This sounds like it might be a bug to me, but there's still the possibility that there's a setup issue.

I am trying to see the page in the deployed server's IExplorer 7. This server is a Windows 2003 one.

When clicking, the debugger says that the error is in the following line:

function igdrp_expandEffects(...)
{
...

 while(o<0&&(pe=pe.parentNode)!=null)if(pe.filters)o=100;
...

}

The dropdown appears as it should in the IIS v5 of my laptop. But when I placed the page and the assemblies (of this page and the dependencies) on another webserver, the dropdown does not appear. In this other server, I have already created the ig_common virtual directory as instructed in the help documents.

The WebDateChooser is simply placed on the page, no additional manipulating code.