HttpWebRequest可以模拟xmlhttp的post么
某网站的post提交是用xmlhttp实现的，我用HttpWebRequest模拟这post时，收到的header跟在ie中提交的不一样，模拟失败了...=   =

------解决方案--------------------
public List <DvMsgResponse> Post()
{
List <DvMsgResponse> list = new List <DvMsgResponse> ();
if (!Dv_Config.API_Enable) return list;
string[] urls = Dv_Config.TargetUrls.Split( '| ');
byte[] bb = ToBytes();
foreach (string url in urls)
{
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);

req.Method = "post ";
req.ContentType = "text/xml ";
req.ContentLength = bb.Length;
req.KeepAlive = true;
Stream stream = req.GetRequestStream();
stream.Write(bb, 0, bb.Length);
stream.Close();
HttpWebResponse result = (HttpWebResponse)req.GetResponse();
Stream ReceiveStream = result.GetResponseStream();
Encoding enc = System.Text.Encoding.GetEncoding( "gb2312 ");
XmlDocument doc = new XmlDocument();
doc.Load(ReceiveStream);
list.Add(new DvMsgResponse(doc.DocumentElement));
}
return list;
}

类似这样的，我做过
往流里写内容就是了。。。
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------解决方案--------------------
请求方式，设置

HttpWebRequest.Method = "post ";