Rob's FindingsNotes on the quirks of developing applications for the web.Visual Studio : virtualPath cannot be null- January 31, 2008 On several occasions while working with aspxascx files in Visual Studio I&8217;ve run into an issue where the IDE stopped generating and updating designer files. I would get the following warning message when I compiled: Generation of designer file failed: Value cannot be null. Parameter name: virtualPath Googling the warning message gets a lot of hits related to ...http://www.rolsma.com/wordpress/?p=16 |