C# Socket发送接收字节数组和十六16进制之间转换函数

// 16进制字符串转字节数组   格式为 string sendMessage = "00 01 00 00 00 06 FF 05 00 64 00 00";
        private static byte[] HexStrTobyte(string hexString)
        {
            hexString = hexString.Replace(" ", "");
            if ((hexString.Length % 2) != 0)
                hexString += " ";
            byte[] returnBytes = new byte[hexString.Length / 2];
            for (int i = 0; i < returnBytes.Length; i++)
                returnBytes[i] = Convert.ToByte(hexString.Substring(i * 2, 2).Trim(), 16);
            return returnBytes;
        }


        // 字节数组转16进制字符串   
        public static string byteToHexStr(byte[] bytes)
        {
            string returnStr = "";
            if (bytes != null)
            {
                for (int i = 0; i < bytes.Length; i++)
                {
                    returnStr += bytes[i].ToString("X2");
                }
            }
            return returnStr;
        }
        //字节数组转16进制更简单的，利用BitConverter.ToString方法
        //string str0x = BitConverter.ToString(result, 0, result.Length).Replace("-"," ");