Error: The name 'ConfigurationManager' does not exist in the current context

Question

I have included the following statement in my Visual C# Console Application (Visual Studio 2005 .NET 2.0 Framework)

using System.Configuration;

Answer 1

• at the solution explorer
• select References
• then click Add Reference from the right mouse button menu

• in the top right corner write "Configuration:
• check the System.Configuration, which would show up
• press OK