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 string postData = string.Format("a=1&b=2");   //post´«µÝ²ÎÊý
        Stream outstream = null;
        Stream instream = null;
        StreamReader sr = null;
        HttpWebResponse response = null;
        HttpWebRequest request = null;
        Encoding encoding = Encoding.Default;
        byte[] data = encoding.GetBytes(postData);
        // ×¼±¸ÇëÇó
       
            // ÉèÖòÎÊý
            request = WebRequest.Create("http://www.baidu.com") as HttpWebRequest;
            CookieContainer cookieContainer = new CookieContainer();
            request.CookieContainer = cookieContainer;
            request.AllowAutoRedirect = true;
            request.Method = "POST";
            request.ContentType = "application/x-www-form-urlencoded";
            request.ContentLength = data.Length;
            outstream = request.GetRequestStream();
            outstream.Write(data, 0, data.Length);
            outstream.Close();
            //·¢ËÍÇëÇó²¢»ñÈ¡ÏàÓ¦»ØÓ¦Êý¾Ý


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// pngtest.htm
<html>
<head></head>
<body bgColor="gray">
<img src="png.ashx" />
</body>
</html>
//  png.ashx
<%@ WebHandler Language="C#" Class="Png" %>
using System.Web;
public class Png : IHtt ......

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javascript< script language="javascript"> < !-- function disableOtherSubmit() {
var obj = event.srcElement;
var objs = document.getElementsByTagName('INPUT');
for(var i=0; i< objs.length; i++)
{
if(objs[i].type.toLowerCase() == 'submit')
{
objs[i].disabled = true;
}
} ......
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