Dictionary

static void Main(string[] args)
        {

            Dictionary<string, string> DicData = new Dictionary<string, string>();

            DicData.Add("A", "A001");
            DicData.Add("B", "A002");
            DicData.Add("C", "A003");
            DicData.Add("D", "A004");
            DicData.Add("F", "A005");

            foreach (KeyValuePair<string, string> item in DicData)
            {
                Console.WriteLine("{0},{1}", item.Key, item.Value);
            }


                Console.WriteLine("ok");
            Console.ReadLine();
        }

A,A001
B,A002
C,A003
D,A004
F,A005
ok