[转] ASP.NET WEB API程序在VS启动或发布到IIS后启动后发生 - Could not load file or assembly 'System.Web.Http.WebHost’异常，无法正常访问

Just do Copy Local = true in the properties for the assembly(System.Web.Http.WebHost) and then do a redeploy, it should work fine.

　　

http://stackoverflow.com/questions/20323107/could-not-load-file-or-assembly-system-web-http-webhost-after-published-to-azure