取主板 BIOS 的序列号怎么老是空串?
shove 2005-11-21 02:37:24 以下代码中,
为什么取主板 BIOS 的序列号总是空? 试了好几台不同的机器,都是空串.
另外: CPU 的号,有的可以,有的也是空.可能是以前的老 CPU 或者赛扬系列没有号.
网卡地址\硬盘号没有问题.
-------------------------------------
//获取主板序列号
public string GetBIOSSerialNumber()
{
try
{
ManagementObjectSearcher searcher = new ManagementObjectSearcher("Select * From Win32_BIOS");
string sBIOSSerialNumber = "";
foreach (ManagementObject mo in searcher.Get())
{
sBIOSSerialNumber = mo["SerialNumber"].ToString().Trim();
}
return sBIOSSerialNumber;
}
catch
{
return "";
}
}
//获取CPU序列号
public string GetCPUSerialNumber()
{
try
{
ManagementObjectSearcher searcher = new ManagementObjectSearcher("Select * From Win32_Processor");
string sCPUSerialNumber = "";
foreach (ManagementObject mo in searcher.Get())
{
sCPUSerialNumber = mo["ProcessorId"].ToString().Trim();
}
return sCPUSerialNumber;
}
catch
{
return "";
}
}
//获取硬盘序列号
public string GetHardDiskSerialNumber()
{
try
{
ManagementObjectSearcher searcher = new ManagementObjectSearcher("SELECT * FROM Win32_PhysicalMedia");
string sHardDiskSerialNumber = "";
foreach(ManagementObject mo in searcher.Get())
{
sHardDiskSerialNumber = mo["SerialNumber"].ToString().Trim();
break;
}
return sHardDiskSerialNumber;
}
catch
{
return "";
}
}
//获取网卡地址
public string GetNetCardMACAddress()
{
try
{
ManagementObjectSearcher searcher = new ManagementObjectSearcher("SELECT * FROM Win32_NetworkAdapter WHERE ((MACAddress Is Not NULL) AND (Manufacturer <> 'Microsoft'))");
string NetCardMACAddress = "";
foreach(ManagementObject mo in searcher.Get())
{
NetCardMACAddress = mo["MACAddress"].ToString().Trim();
}
return NetCardMACAddress;
}
catch
{
return "";
}
}