FIM Portal Custom UserEditing.aspx Page

Hello Everyone,

I wanted to create a Custom asp.net webpage for UserEditing in FIM Portal.  What I want to do is create UserEditing.aspx page with custom Asp.net controls and deploy it into the FIM protal and once user click to edit or view the user in FIM Portal, I want to read the ResourceID from the QueryString and propulate\Update the UserEditing.aspx controls values basis ResourceID. 

Please suggest.

Regards~
Deepak Arora