AjaxToolkit IIS7 Asp.Net 4.0: Sys is not defined; handler mapping issue?
问题 I have moved my asp.net 3.5 app to asp.net 4.0 and moved from windows 2003 (iis6) to windows 2008 r2 (iis7.5) and now i have this sys is undefined error. i have the app running in an integrated application pool. everything works except my ajaxtoolkit 3.0.20820.0 dll now I have read several blog posts, most of them cover asp.net 2.0 web.config files and not the minimized asp.net 4.0 config files. here are some parts from my current config file: <system.webServer> <modules