hmm, if you are having the same problem when debugging, the problem doesnt sound like it would be in IIS as Visual Studio uses its own web server to run on.
Also as you stated the project runs fine on another machine. I would suggest clean/ rebuild project option if you havent done so already. and if this doesnt work, i would reinstall visual studio and try to rebuild and try to run the project again.
Iam using a sitemap datasource.I want the first URL in the sitemap appears in the menu from the right not like the default(from the left).If I put the URLs in the sitemap in an opposite order it will work but it will be realy confusing.Isn't there any setting to change the menu direction?
Actually my applicatin have two webserver ( load balancing). Can it possible it create a problem. I written in webconfig file even did settings in IIS but it running perfectly on local server but not on production server.