Unrecognized attribute 'targetFramework'.错误解决

将.NET4.0项目部署到IIS7的时候，浏览报错：

Unrecognized attribute 'targetFramework'. Note that attribute names are case-sensitive.

 

环境：Server2008+IIS7

解决方案：In IIS > Application Pools > Right click on Your APP > Basic Setting > Select FrameWork4.0

或者

Click IIS Server > Change .Net Framework Version（On the Rightest Panel And Above Help）