ASP.NET: Fix for WebParts + UrlRewriting Issue

The problem with using WebParts with UrlRewriting (or UrlMapping) is the WebPart PersonalizationProvider uses the path of the page being rendered to save/load the personalization state, not the path that was rewritten that the user sees. So, to fix this you just need to create a custom PersonalizationProvider and override all the methods that reference path, and call the base methods but pass in the path that was requested instead of the path being rendered. Here's a SqlPersonalizationProvider I wrote that does this: