- MSDN: Control.ResolveUrl - returns a path relative to the site root.
- MSDN: Control.ResolveClientUrl - returns a path relative to the current page.
- MSDN: VirtualPathUtility - provides utility methods for common operations involving virtual paths.
- ResolveUrl vs. ResolveClientUrl
- MSDN: ASP.NET Web Site Paths
- Two ASP.NET features that are usually missed or misunderstood