In Visual Studio 2005, they make it so simple to deploy a web site at hosting or any server.
In Visuaa Studio 2003, You need to create your different project and then take .DLL and .ASPX files CSS except code behind files. Look tiring work.
Microsoft work wonderful and make a executable file and in few steps you can deploy your website.

Here is the link to download
http://msdn.microsoft.com/en-us/asp.net/aa336619.aspx

1.Download it and Install.
2.Open your visual studio if it is open already just restart it.
3.Right click on your web project solution.
4.Choose “Add Web Development Project”
5.Specify name and location for your web project.
6.It will be automatically added to your project.
7.Right click on it and choose property pages and do your required configuration if required otherwise default also work.
8.Choose Release from debug mode.
9.Right click on the webproject again and Build.
10.You are done. Your project is done and ready to deply. It will automatically add .aspx, css and all required files and folder for the project EXCEPT CODE “BEHIND SOURCE CODE”.