//ToDo: Demo of Func use. Del this later. private static void PrintAllTesters() { List <Tester> testersList = BLFactory.GetIBl().GetAllTesters(); Func <Tester, string> selector = tester => string.Format("{0} - {1}", tester.Id, tester.GetName()); IEnumerable <string> namesAndIds = testersList.Select(selector); foreach (string str in namesAndIds) { Console.WriteLine(str); } }