You find the LoginView in the Login category of the toolbox. It allows you to define templates that apply to different users and roles. Inside one of the templates you can add the TreeView.
This is pretty basic ASP.NET knowledge; maybe your intention was to post in the ASP.NET 2.0 Beginning forum instead of the Pro forum?
Imar
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Imar Spaanjaars
http://Imar.Spaanjaars.Com
Everyone is unique, except for me.
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Beginning Dreamweaver MX / MX 2004