How to save application data?

Question

WPF

Hello. There is an application on WPF. When you launch it, enter data, close it, then the next time you start it, you need to enter the data again, because. are neither saved.

Found in the vastness of the info that you need to use app.config.

I can't deal with him. Do I need to create an XML file in the application itself in the studio? What lines to add there? What else to write in the code? Please help.

Answer 1

You can use JSON and a library from Newtonsoft. They have quite a few examples on their site, you can use Sqlite for example.