时间字符串转16进制字符串

        private void Form1_Load(object sender, EventArgs e)        

{            

　　 string timeStr = DateTime.Now.ToLongTimeString().ToString();           

  　　string[] arr = timeStr.Split(':');            

　　string str = (int.Parse(arr[0])).ToString("X") + " " + (int.Parse(arr[1])).ToString("X") + " " + (int.Parse(arr[2])).ToString("X");

        label1.Text = str;        

}