public static string ConvertToChineseMoney(double money)
{
if (money < 0)
throw new ArgumentOutOfRangeException("参数money不能为负值！");
string s = money.ToString("#L#E#D#C#K#E#D#C#J#E#D#C#I#E#D#C#H#E#D#C#G#E#D#C#F#E#D#C#.0B0A");
s = Regex.Replace(s, @"((?<=-|^)[^1-9]*)|((?'z'0)[0A-E]*((?=[1-9])|(?'-z'(?=[F-L\.]|$))))|((?'b'[F-L])(?'z'0)[0A-L]*((?=[1-9])|(?'-z'(?=[\.]|$))))", "${b}${z}");
return Regex.Replace(s, ".", delegate(Match m) { return "负元空零壹贰叁肆伍陆柒捌玖空空空空空空空分角拾佰仟萬億兆京垓秭穰"[m.Value[0] - '-'].ToString(); });
}

Random r = new Random();
for (int i = 0; i < 10; i++)
{
double m = r.Next() / 100.0;
Response.Write(m + "---- " + ConvertToChineseMoney(m) + "<br/>");
}