C# asp.net macaddr
<HTML><HEAD><TITLE>WMI Scripting HTML</TITLE>
<META http-equiv=Content-Type c>
<SCRIPT language=JScript event="OnCompleted(hResult,pErrorObject, pAsyncContext)" for=foo>
var MACaddress=unescape(MACAddr);
alert(MACaddress);
document.forms[0].txtMACAddr.value=unescape(MACAddr);
//document.formbar.submit();
</SCRIPT>
<META c name=GENERATOR></HEAD>
<BODY>
<SCRIPT language=JScript event=OnObjectReady(objObject,objAsyncContext) for=foo>
if(objObject.IPEnabled != null && objObject.IPEnabled != "undefined" && objObject.IPEnabled == true){
if(objObject.MACAddress != null && objObject.MACAddress != "undefined")
MACAddr = objObject.MACAddress;
}
</SCRIPT>
<OBJECT id=locator classid=CLSID:76A64158-CB41-11D1-8B02-00600806D9B6 VIEWASTEXT></OBJECT>
<OBJECT id=foo classid=CLSID:75718C9A-F029-11d1-A1AC-00C04FB6C223></OBJECT>
<SCRIPT language=JScript>
var service = locator.ConnectServer();
var MACAddr ;
service.Security_.ImpersonationLevel=3;
service.InstancesOfAsync(foo, 'Win32_NetworkAdapterConfiguration');
</SCRIPT>
<FORM id="formfoo" name="formbar" method="post"><INPUT value="77" name="txtMACAddr">
</FORM></BODY></HTML>
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来源：http://www.pccode.net/info/2010/01/25/20100125-1220.html
实际上Eval方法是TemplateControl的，而System.Web.UI.Page和System.Web.UI.UserControl都继承于TemplateControl，所以我们可以在Page和UserControl上直接调用个方法。
Page.Eval方法可以帮 ......
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IIS 的最新版本是版本 7.0。IIS 的此版本包括在 Windows Server 2008 中。还可以 ......
System.Drawing.Image watermark = System.Drawing.Image.fromFile(Server.MapPath("watermark.gif"));
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Graphics graphics = Graphics.fromImage(srcImg);
graphics.DrawImage(watermark,
srcImg.Width - watermark.Width,
srcImg.Height - w ......
