Modal WebForms

Brendan Tompkins shares his approach (called Sticky Draggable Divs or SDDs) on creating Modal WebForms in ASP.NET. Although I personally don't like the idea of using excessive JavaScript and DHTML in project implementations except for some basic validation routines, but Brendan's concept reminded me of another neat idea, a client-side database modeler (e-store example) by davdstudio, which incorporates DHTML/JavaScript to produce similar draggable popup windows. Client-side GUI development sure is eye-candy but also comes with its baggage of browser incompatibility and usage inconsistency. WebOS should be a great start ...

[Update] An article on modal popup dialog window and some awesome widgets by Thomas Brattli