ASP.NET获取网卡编号

#region 获取网卡硬件地址 
/// <summary> 
/// 获取网卡硬件地址 
/// </summary> 
/// <param name="MacAddress">输出参数，网卡硬件地址</param> 
public static void GetMacAddress(out string MacAddress) 
{ 
//获取网卡硬件地址 

string _MacAddress=""; 
ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration"); 
ManagementObjectCollection moc2 = mc.GetInstances(); 
foreach(ManagementObject mo in moc2) 
{ 
if((bool)mo["IPEnabled"] == true) 
MacAddress=mo["MacAddress"].ToString(); 
mo.Dispose(); 
} 
MacAddress=_MacAddress; 
} 
#endregion