Code:
using System.Text;
string text = "Proba";
byte[] bytes = Encoding.ASCII.GetBytes(text);
for(int i = 0; i < bytes.Length; i++) bytes[i]++;
text = Encoding.ASCII.GetString(bytes);
MessageBox.Show(text);
Pored Encoding.ASCII imas i
Encoding.Unicode
Encoding.UTF7
Encoding.UTF8
Encoding.UTF32
pa vidi sta ti je portrebno.