How do I save DListView data?

The title is pretty self explanatory. I want to make a list view where you can add items. I already have the basics solved. All I need is how to save the data to the server and not client.

Here is a photo:

You can use the network library to send the information to the server.

When it comes to saving the data there are multiple options.
For example, SQLite, JSON, and mySQL. It depends on what kind of data you’re storing I suppose.