How to create List of open generic type of class?

Question

i am working on someone else code i need to add few things i have a class

public abstract class Data
{

}

public class StringData : Data

        

Answer 1

You don't need to use generics for that.

public abstract class Data {

}

public class StringData : Data {
}

public class DecimalData : Data {
}

List dataCollection = new List();

dataCollection.Add(new DecimalData());
dataCollection.Add(new StringData());