I am having an issue with the URLControl User control - I would classify this as a bug.

I am trying to dynamically add the URL control to a page in code behind.

DotNetNuke.UI.UserControls.UrlControl urlBox = (DotNetNuke.UI.UserControls.UrlControl)this.LoadControl("~/controls/UrlControl.ascx");
urlBox.FileFilter =DotNetNuke.Common.Globals.glbImageFileTypes;
urlBox.Width="300";
urlBox.ShowTabs=false;
urlBox.ShowUrls= false;
urlBox.UrlType = "F";
urlBox.ShowTrack = false;
urlBox.ShowLog = false;
urlBox.Required = true;
returnControl = urlBox;

I then add the control to the page.  This is in response to a postback.  Since all the processing of the ShowTabs, ShowUrls, etc is done in the OnLoad event

I solved this by copying the URLControl into another vbproject , renamed it URLControl2 (so I wouldn't alter core code)  and altered it so that the

If Not Page.IsPostBack Then

to only surround the stuff it really needs to surround (and im not sure if it even needs this)