I'm trying to do some GUI stuff in a C# program. Basically I have a Combo Box where I select which database results I want to see. When I select an item in the Combo Box, it generates an event which I ...

Add a description, image, and links to the datagridview-combobox topic page so that developers can more easily learn about it.

And you have some lists that contains all Categories, Products and OrderItems. And you want to show order items in grid and let the user select category and product from combo boxes. When the user ...