string ToHexString(byte[] bytes)
{
    string str = string.Empty;
     (bytes == )
    {
         str;
    }
    StringBuilder builder =  StringBuilder();
     (int i = ; i < bytes.Length; i++)
    {
        builder.Append(bytes[i].ToString());
    }
     builder.ToString();
}本文转自94cool博客园博客，原文链接：http://www.cnblogs.com/94cool/archive/2011/06/07/2074054.html，如需转载请自行联系原作者