Given a List<int> how to create a comma separated string?

Question

Given a List<int> how to create a comma separated string?

Answer 1

You can use String.Join:

List<int> myListOfInt = new List<int> { 1, 2, 3, 4 };

string result = string.Join<int>(", ", myListOfInt);

// result == "1, 2, 3, 4"