Create List<> from runtime type

Question

I am looking to create a List, where the type of T is several unrelated classes (with the same constructor arguments) that I know through reflection.

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Answer 1

You're confusing types and the System.Type class for Generic Type Parameters, here is the code to implement it the way you want:

var lt = typeof(List<>);
foreach (Type T in Types)
{
    var l = Activator.CreateInstance(lt.MakeGenericType(T));
    DataBase.Add(l);
}