How to convert int to null?

Question

C++ / C#

How can int be converted to null. There are fields with data, the user fills them in and they programmatically enter values ​​into variable values, but I need the user to be able to cancel the selection and instead of int, a null value for the WPF c# database comes.

Answer 1

use typeint?

Answer 2

https://docs.microsoft.com/ru-ru/dotnet/csharp/lan...