solutions 1：
ManagementScope theScope = new ManagementScope("\\\\computerName\\root\\cimv2"); StringBuilder theQueryBuilder = new StringBuilder(); theQueryBuilder.Append("SELECT MACAddress FROM Win32_NetworkAdapter"); ObjectQuery theQuery = new ObjectQuery(theQueryBuilder.ToString()); ManagementObjectSearcher theSearcher = new ManagementObjectSearcher(theScope, theQuery); ManagementObjectCollection theCollectionOfResults = theSearcher.Get(); foreach (ManagementObject theCurrentObject in theCollectionOfResults) { string macAdd = "MAC Address: " + theCurrentObject["MACAddress"].ToString(); MessageBox.Show(macAdd); } solutions 2：<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Getting MAC Address From Javascript(IE Only)</title> <script language="javascript"> function showMacAddress(){ var obj = new ActiveXObject("WbemScripting.SWbemLocator"); var s = obj.ConnectServer("."); var properties = s.ExecQuery("SELECT * FROM Win32_NetworkAdapterConfiguration"); var e = new Enumerator (properties); var output; output='<table border="0" cellPadding="5px" cellSpacing="1px" bgColor="#CCCCCC">'; output=output + '<tr bgColor="#EAEAEA"><td>Caption</td><td>MACAddress</td></tr>'; while(!e.atEnd()) { e.moveNext(); var p = e.item (); if(!p) continue; output=output + '<tr bgColor="#FFFFFF">'; output=output + '<td>' + p.Caption; + '</td>'; output=output + '<td>' + p.MACAddress + '</td>'; output=output + '</tr>'; } output=output + '</table>'; document.getElementById("box").innerHTML=output; } </script> </head> <body> <input type="button" value="Show MAC Address" onclick="showMacAddress()" /> <div id="box"> </div> </body> </html>solutions 3：
Advanced JavaScript with Internet Explorer: Retrieving Networking Configuration Information - How to retrieve MAC address and other extended network information using JavaScript Now, let us try to extend the previous sample by showing further information about the network adapters. The entire code for the sample is as follows: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <title></title> <meta name="GENERATOR" content="Microsoft Visual Studio .NET 7.1"> <meta name="vs_targetSchema" content="http://schemas. microsoft.com/intellisense/ie5"> <script id="clientEventHandlersJS" language="javascript"> <!-- function Button1_onclick() { var locator = new ActiveXObject "WbemScripting.SWbemLocator"); var service = locator.ConnectServer("."); var properties = service.ExecQuery("SELECT * FROM Win32_NetworkAdapterConfiguration"); var e = new Enumerator (properties); document.write("<table border=1>"); dispHeading(); for (;!e.atEnd();e.moveNext ()) { var p = e.item (); document.write("<tr>"); document.write("<td>" + p.Caption + "</td>"); document.write("<td>" + p.IPFilterSecurityEnabled + "</td>"); document.write("<td>" + p.IPPortSecurityEnabled + "</td>"); document.write("<td>" + p.IPXAddress + "</td>"); document.write("<td>" + p.IPXEnabled + "</td>"); document.write("<td>" + p.IPXNetworkNumber + "</td>"); document.write("<td>" + p.MACAddress + "</td>"); document.write("<td>" + p.WINSPrimaryServer + "</td>"); document.write("<td>" + p.WINSSecondaryServer + "</td>"); document.write("</tr>"); } document.write("</table>"); } function dispHeading() { document.write("<thead>"); document.write("<td>Caption</td>"); document.write("<td>IPFilterSecurityEnabled</td>"); document.write("<td>IPPortSecurityEnabled</td>"); document.write("<td>IPXAddress</td>"); document.write("<td>IPXEnabled</td>"); document.write("<td>IPXNetworkNumber</td>"); document.write("<td>MACAddress</td>"); document.write("<td>WINSPrimaryServer</td>"); document.write("<td>WINSSecondaryServer</td>"); document.write("</thead>"); } //--> </script> </head> <body> <INPUT id="Button1" type="button" value="Button" name="Button1" language="javascript" onclick="return Button1_onclick()"> </body> </html> The explanation for the above code is very similar to that of the previous section. The only difference is that I added few more properties to get in-depth network configuration information.
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