Asp.Net取得服务端信息

Asp.Net取得服务端CPU编号，硬盘序列号，主机名等信息。

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Runtime.InteropServices;
using System.Management;

namespace GetServerInformation
...{
    public class HardwareInfo
    ...{
        //取机器名 
        public string GetHostName()
        ...{
            return System.Net.Dns.GetHostName();
        }

        //取CPU编号
        public String GetCpuID()
        ...{
            try
            ...{
                ManagementClass mc = new ManagementClass("Win32_Processor");
                ManagementObjectCollection moc = mc.GetInstances();

                String strCpuID = null;
                foreach (ManagementObject mo in moc)
                ...{
                    strCpuID = mo.Properties["ProcessorId"].Value.ToString();
                    break;
                }
                return strCpuID;
            }
            catch
            ...{
                return "";
            }

        }

        //取第一块硬盘编号
        public String GetHardDiskID()
        ...{
            try
            ...{
                ManagementObjectSearcher searcher = new ManagementObjectSearcher("SELECT * FROM Win32_PhysicalMedia");
                String strHardDiskID = null;
                foreach (ManagementObject mo in searcher.Get())
                ...{
                    strHardDiskID = mo["SerialNumber"].ToString().Trim();
                    break;
                }
                return strHardDiskID;
            }
            catch
            ...{
                return "";
            }
        }
    }
}