Question : Reading Connection String from App.Config

I am using VS 2010. I have a "Sample" class library. I have a app.config and a class.
I have a conneciton string in the app.config file. How to read the connection string in the class?

Any help?

Answer : Reading Connection String from App.Config

This should help:
http://msdn.microsoft.com/en-us/library/ms254494%28VS.80%29.aspx