I'm getting the “missing a using directive or assembly reference” and no clue what's going wrong

Question

I\'m trying to allow a user to enter data into a textbox that will be added to the web.config file. I\'ve added the relevent lines to the web.config file but when I make thi

Answer 1

Your using statements appear to be correct.

Are you, perhaps, missing the assembly reference to System.configuration.dll?

Right click the "References" folder in your project and click on "Add Reference..."