汉字的ascii码

//获得汉字的区位码
byte[] array = new byte[2];
array = System.Text.Encoding.Default.GetBytes("啊");

int i1 = (short)(array[0] - '\0');
int i2 = (short)(array[1] - '\0');

这里有juqiang (方枪枪（正在修炼伤心小箭）)的经典一贴,有时间可以看看.
http://expert.csdn.net/Expert/TopicView3.asp?id=877757