在一个VS2005 C＃项目我添加了一个参考System.configuration。 在对象浏览器，我可以看到System.Configuration.ConfigurationManager。 在智能感知System.Configuration只有老ConfigurationSettings，而不是ConfigurationManager中。

In a VS2005 C# project I have added a reference to System.configuration. In the object browser, I can see the System.Configuration.ConfigurationManager. In Intellisense System.Configuration only has the old ConfigurationSettings, and not ConfigurationManager.

我的code    System.Configuration.ConfigurationManager.AppSettings [MySetting]

My code System.Configuration.ConfigurationManager.AppSettings["MySetting"]

被突出显示为语法错误并不会编译。

is highlighted as a syntax error and does not compile.

在一个不同的项目，完全相同的安装方法的效果就好了... ...任何线索，这是怎么回事？

In a different project, the exact same setup works just fine... any clues as to what is going on?

推荐答案

urgh - PICNIC错误。添加裁判错误的项目，在解决方案......

urgh - PICNIC error. Added ref to the wrong project in the solution...