App.config and Web.config files are a great way to add flexibility to your .NET application without having to modify code in the future. They also allow clients or end users to make configuration ...

These files include machine.config and web.config. The web.config file is application-specific and is created by default when you create a web application or a web site in Visual Studio.

If you're concerned about keeping critical information in your Web.config file, then you should encrypt it -- or at least the parts that you're concerned about.

The ability for Visual Studio to automatically transform your development Web.config file into a production version is certainly convenient ... but only if the transformation is done right. Here's how ...

Creating a Web configuration INI file Application-specific configuration information has historically been stored in INI files, which are plain-text files that contain key/value data within sections.