1. download the sourcecode from the link. http://www.asp.net/cssadapters/ and the install the vsi so that the necessary templates are added to vs 2005.
2. use vs2005 , create a new site using cssfriendlyadapters Templates. for more help Please look the following link http://www.asp.net/CSSAdapters/WalkThru/WalkThrough.aspx
3.Open the site and Press F5 to run the local copy of the site. From this newly created site copy the following folders to your existing application where u want to install cssadapters.
a) App_browser b) App_Themes c) CSS d) Javascript. No need of coping App_code directory as we have a "dll" which we can just place it in the "bin" directory.
4. Go to the following link and download the "cssfriendly.dll". http://www.codeplex.com/cssfriendly/Release/ProjectReleases.aspx?ReleaseId=2159
5. Now copy the "dll" to bin folder in your existing application.
6.Now add a web page to your existing application
7. See for the sub heading "Build a Simple Page that Can Use the Kit's Adapters" in the link http://www.asp.net/CSSAdapters/WalkThru/WalkThrough.aspx
so that u can refer a stylesheet in your page and add the stylesheet to your page.
8. Now add a treeview control to your page and also a sitemap file.
9. Now modify the Pages attributes
stylesheetTheme ="Enhanced"
Run the application u should be able to get the treeview
Hope it helps
Jai Ganesh. J , GSD ,India
Please Mark As Answer If my reply helped you.