[英]C# (400) Bad Request response received when running code whereas URL works well on web browser
[英]URL works in Browser but not get response from web Client or Web Request
我有关于服务器响应的问题。 (返回403禁止)。
当我在浏览器中检查相同的URL时,我可以看到该页面。
我写了下面的代码来获得回复。
相同的代码我在我的本地PC上执行,它工作正常。
HttpWebRequest request = WebRequest.Create(RequestUrl) as HttpWebRequest;
request.Method = "POST";
request.CookieContainer = new CookieContainer();
request.Timeout = 600000;
request.Accept = "*/*";
request.UserAgent = "Mozilla/5.0 (Windows NT 6.1; rv:18.0) Gecko/20100101 Firefox/18.0";
WebResponse response;
try
{
response = request.GetResponse();
string StatusDescription = ((HttpWebResponse)response).StatusDescription;
if (StatusDescription.ToLower() == "ok")
{
Stream dataStream = response.GetResponseStream();
//XmlDocument XmlResponse = new XmlDocument();
//XmlResponse.Load(dataStream);
//XmlResponse.Save(Server.MapPath("~/XMLResponse.xml"));
StreamReader reader = new StreamReader(dataStream);
string responseFromServer = reader.ReadToEnd();
responseFromServer = responseFromServer.Replace(" ", "");
responseFromServer = responseFromServer.Replace("&", "&");
reader.Close();
dataStream.Dispose();
response.Close();
responseFromServer = GetStringsBetweenTags(responseFromServer, "<head>", "</head>");
return responseFromServer;
}
else
{
//To Do : add code for notify error via email
}
}
catch (Exception ex)
{
WebClient webclient = new WebClient();
using (StreamReader reader = new StreamReader(webclient.OpenRead(RequestUrl)))
{
string responseFromServer = reader.ReadToEnd();
responseFromServer = responseFromServer.Replace(" ", "");
responseFromServer = responseFromServer.Replace("&", "&");
reader.Close();
webclient.Dispose();
responseFromServer = GetStringsBetweenTags(responseFromServer, "<head>", "</head>");
return responseFromServer;
}
}
下载提琴手(http://www.fiddler2.com/fiddler2/)
然后导航到URL并查看标题。 然后查看应用程序发送的标头。 您要发布帖子的网址清楚地预防某些请求。
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