http://bbs.csdn.net/topics/20447859
byte[] bytes = new byte[256];
//receive some stream from network
int a,b,c,d;
string theStr;
a = (int)bytes[0];
b = (int)bytes[1];
c = (int)bytes[2];
d = (int)bytes[3];
byte[] newBytes = byte[bytes.Length-4];
for( int i=0;i<newBytes.Length;i++ )
newBytes[i] = bytes[i+4];
theStr = System.Text.Encoding.Default.GetString( newBytes ); //注意你接受的字符串的编码，根据编码这里要使用不同的编码来获得字符串
//如果字符串是已','分割
string[] stringValues = theStr.Split( ',' );
//stringValues这个数组就是分割后的各个字符串