I tested the AlwaysVisibleControlExtender in a server control based ASP.NET 2.0 webpart(DLL) . The webpart contains updatepanel, updateprogress control.

The always visible control extender targets the updateprogress control, that is targetted to be at the bottom right of the browser window always.

Browser                                                            IE6                         IE7                                 Mozilla 2.0

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WebPart in MOSS website                  Does Not Appear(2)            Works Partially(3)            Works Perfectly(1) 

Webpart in ASP.NET website               Works Perfectly(1)            Works Perfectly(1)             Works Perfectly(1) 

1. Works as expected, updateprogress scrolls to the bottom of the window always even on resize operations

2. The update progress control does not even appear when the postback occurs.

3. The update progress control appears but does not scroll properly. If the browser window is resized in such a way that no scrollbar appears - it works fine as in it snaps to the bottom as expected. However, if there is a scrollbar, the updateprogress does not move to the bottom of the browser window as expected.

Can someone elaborate on the varying behaviour observed in IE6 and IE7 and possible fixes? 

Isn't anyone out there creating webparts DLLs with AJAX.NET and the ajaxcontroltoolkit?

 While it may be classifed "not support by MSFT" the technology works in some cases, does MSFT  have cases that work and dont.

Please don't copy and paste some persons blog or standard content out of MS documentation for AJAX.NET

 Do the gurus or creators of AJAX.NET or ajaxcontroltoolkit ever wonder on the applications of this technology in MOSS especially.

Hello,

Nobody has success to find the reason and the solution of this problem ?

 Thanks

Apparenty not,

will some MSFT gurus say something pls?