This article should discuss how to handle exceptions on the various levels available to a VisualWebGui application, including application, Global.ASAX, and other possible methods.

References to the Debugging page would seem natural.

• Application.ThreadException

• Error handling on form (or application) level
• Using customErrors in web.config with defaultRedirect to redirect to another site on errors
• Debug code to put in Global.asax to view loader errors
• Error page customization
• Error reporting using log4net

• Nice error handler within ASP.NET forms authentication sample

• ASP.NET error handlers
• Nice discussion and full implementation of ASP.NET exception handler, writing stack trace to event log
• Post production diagnostics with Crash Dumps and DW20.exe preventing Crash Dump to succeed