Usage of configuration file

ASP.NET Configuration systems are mainly used to describe the properties and behaviors of various aspects of ASP.NET applications. Configuration files helps us to manage the many settings related to our website. Each file in an XML file (with the extension .config) which contains all set of configuration elements. Configuration informations are stored in XML-based text files.

In simple words, they are the XML files which are readable by humans in any text editor, where we can view and modify them respectively. They are also used in “ASP.NET” web application app. We can create upto one web.config file per folder.