问题
I am trying to deploy a website developed in the 3.5 and deploying it on 4.x .. now the series of conflicts has risen with the web.config. it promted me to delete most of the sectionGroup elements. Which I duely deleted and the problem further reached to delete the system.web.extension version=3.5.0 element. Which I deleted . Now I am getting another error but don't know what to do whith that. the website is www.spiralsnet.com
来源：https://stackoverflow.com/questions/17382489/development-enivroment-of-3-5-and-hosting-4-x-conflicts-issues