Which constructor is executed first in inheritance C#?

You can’t inherit constructors but you can call them from your derived children’s constructors . If you make the base classes default constructor private it will force you to select a base constructor every time you create a derived class.21 Haz 2018

To pass arguments to a constructor in a base class, use an expanded form of the derived class’ constructor declaration, which passes arguments along to one or more base class constructors .

In C# terms, the base constructor is executed first.