Here is my specific need. Please help me understand and properly implement.

I have a connection string for my database, it is automatically stored in the app.exe.config file with password and all.

First thing is I would like to have that encrypted in some way so it is not visible, but it needs to be there in order to be able to manage the data in the designer.

Second, how can I change that setting so that all users accessing from any computer get the change? Application settings are read only and user settings are, well, user settings so they apply only to the current.

Thank you