i want to know that why do we add an app.config file in c# projects for the connection string if our work is also access able by simple combining the command text and data adapter ..
what is the functionality of this .xml file?
i want to know that why do we add an app.config file in c#
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It allows you to change the runtime parameters (things like connection strings, for example if the database gets moved onto a different server) at runtime without having to recompile and re-distribute the application.