ConfigurationManager.AppSettings - How to modify and save?

Question

It might sound too trival to ask and I do the same thing as suggested in articles, yet it doesn\'t work as expected. Hope someone can point me to the right direction.

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Answer 1

On how to change values in appSettings section in your app.config file:

config.AppSettings.Settings.Remove(key);
config.AppSettings.Settings.Add(key, value);

does the job.

Of course better practice is Settings class but it depends on what are you after.