///@makeit2008

///@date2009/04/15

///@ver1.0

using System.Text;

public static string convert(Encoding from,Encoding to,string input)
        {
            try
            {

                byte[] source = Encoding.Default.GetBytes(input);               
                byte[] utf8 = Encoding.Convert(from,to, source);
                return Encoding.UTF8.GetString(utf8);
            }
            catch (Exception ee)
            {
                return string.Empty;
            }
        }