I have created a simple form that inserts/updates/deletes a values for Northwind Customers. Everything works fine, except in order to see a results, I have to close it, and reopen again. My form looks like this :

enter image description here

I've searched tens of articles on how to refresh ListBox, but all of those use interface implementing, or using DataSets, and stuff I have never heard of and cannot implement. It's a very simple project, using simple procedures. Is there an easy way to refresh the list of customers without adding many lines of code?

c# sql wpf listbox refresh
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