EncodingInfo[] infos = System.Text.Encoding.GetEncodings();
List<string> list = new List<string>();
for (int i = 0; i < infos.Length; i++)
{
list.Add(infos[i].CodePage + "\t" + infos[i].DisplayName + "\t" + infos[i].Name);
}
File.WriteAllLines(@"c:\encodings.txt", list.ToArray());