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This could happen if an ISAPI filter or extension or an HTTP module in IIS sets the 400 status, in which case you could look at the IIS log for more request.ContentType = "application/atom+xml"; // Set the ContentLength property of the WebRequest. When taking passengers, what should I do to prepare them? Convert text to image file (GIF, JPG, PNG etc.) Free to use. have a peek here

What does Sauron need with mithril? spectral norm of block-wise sums of matrices Why did companions have such high social standing? Symbolic comparison of recursive functions How do "que" and "qué" work as “what” in Spanish? where are you seeing those slashes being sent? –jorgehmv Apr 12 '12 at 20:58 In debug mode when I hover over postData. –Trey Copeland Apr 12 '12 at 21:09

C# Webclient 400 Bad Request

Will the medium be able to last 100 years? Do you get the error on big Web sites ?. var client = new WebClient(); var html = client.DownloadString("http://www.coleparmer.co.uk/Product/Turb_Std_Hach_2100q_Kit/WZ-99900-47"); c# webclient share|improve this question asked Mar 25 '14 at 1:13 vishnu 60316 add a comment| 2 Answers 2 active oldest votes

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Any help would be appreciated. The Remote Server Returned An Error 400 Bad Request Httpwebrequest If you have two or more Web browsers installed on your PC and the behaviour is not the same (one Web browser gives an HTTP 400 error visiting a site, another Can a creature benefit from differently typed speed bonuses all named fast movement? more hot questions question feed lang-cs about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation

Why are some programming languages Turing complete but lack some abilities of other languages? Webclient Post More Information Following are links to useful articles for troubleshooting some known HTTP 400 scenarios. If you get the error on lots of Web sites, this indicates the problem is on your PC, not on those sites. Do you get the error on simple URLs ?.

  • You could also try catching the two requests, manually and through the app, in Fiddler to look for differences.
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  • I consoled the content-type and data.length before the post request was called, the content-type was text/xml and the data.length is 143.
  • the remote server returned an unexpected response: (400) Bad Request.
  • Why does Windows show "This device can perform faster" notification if I connect it clumsily?
  • Remove the urlencode and try.
  • Meaning of Guns and ghee Convince people not to share their password with trusted others Are there any 'smart' ejection seats?
  • We see here that HTTP.sys logged FieldLength as the reason phrase for this request’s failure.

The Remote Server Returned An Error 400 Bad Request Httpwebrequest

But not with Firefox HTTP Resource Test up vote 1 down vote favorite I need to make a POST request with an xml data. Yes, of course I'm an adult! C# Webclient 400 Bad Request no outgoing connection via ipv4 What is the sh -c command? The Remote Server Returned An Error 400 Bad Request At System Net Httpwebrequest Getresponse How could banks with multiple branches work in a world without quick communication?

Sign in using Search within: Articles Quick Answers Messages Use my saved content filters home articles Chapters and Sections> Search Latest Articles Latest Tips/Tricks Top Articles Beginner Articles Technical Blogs Posting/Update navigate here Let's work to help developers, not make them feel stupid. Please check any spell mistake while entering. For example, you may have a DNS problem. The Remote Server Returned An Error (400) Bad Request Gcm

A DNS problem may be caused by your ISP or may be on your own system e.g. Can filling up a 75 gallon water heater tank without opening a faucet cause damage? while paypal return url The remote server returned an error: (400) Bad Request while accessing Google Analytic report The remote server returned an error: (400) Bad Request on Bing batch geocode Check This Out more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

Maybe you are encoding it twice. –DarkXphenomenon Jul 22 '12 at 6:50 How do you get the JSON containing OAuth access token fron the response using this method? –Robin Json Validator Optional Password I have read and agree to the Terms of Service and Privacy Policy Please subscribe me to the CodeProject newsletters Submit your solution! Not the answer you're looking for?

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You can check this using a ‘ping’ test. dataStream.Close (); } } catch(WebException ex) { if (ex.Status == WebExceptionStatus.ProtocolError){ throw new HttpClientException("HTTP request error. ", (int)(((HttpWebResponse)ex.Response).StatusCode), ((HttpWebResponse)ex.Response).StatusDescription); } else{ throw new HttpClientException("HTTP request error with status: " + ex.Status.ToString()); Write an HTTP data stream through that socket. Postman If your PC is not well-protected, then all kinds of problems may occur - including HTTP 400 errors.

Is it possible to get more info from the server about the problem ? Be sensible surfing the Web - block pop-up windows and avoid bad sites. Integral using residue theorem complex analysis What are the canonical white spaces? this contact form When i publish it to a remote server,with real IP,when i call the service its returns "The remote server returned an error: (400) Bad Request." What might be the problem?

Convince people not to share their password with trusted others What type of sequences are escape sequences starting with "\033]" On THE other hand or on another hand? Finding a file starting with '-' dash spectral norm of block-wise sums of matrices Did Donald Trump call Alicia Machado "Miss Piggy" and "Miss Housekeeping"? cheers, Marco Bertschi Permalink Posted 4-Mar-13 10:03am Marco Bertschi (SFC)65.4K Comments IviKAZAZI 6-Mar-13 4:58am the problem was the max side of data allowed :( thnx for the EDIT This is what I found that works: // Open request and set post data HttpWebRequest request = (HttpWebRequest)WebRequest.Create("myurl.com/restservice/Login"); request.Method = "POST"; request.ContentType = "application/json"; string postData = "{ \"username\": \"testname\",

your Web browser or our CheckUpDown robot) was 'malformed' i.e. It could also happen if an entity between the client and the server, such as a proxy server or other network device, intercepts a response from IIS and overrides it with But also, note that a 400 request usually denotes the server not understanding your request. Getting rid of that defective software can be difficult.

How to deal with a really persuasive character? The other difference to note might be the user-agent which again can be picky for web servers. General FAQ Ask a Question Bugs and Suggestions Article Help Forum Site Map Advertise with us About our Advertising Employment Opportunities About Us Ask a Question All Questions All Unanswered FAQ It looks like it's sending the \ slashes literally. –Trey Copeland Apr 12 '12 at 20:51 I don't think that would be a problem they are just escape characters..

Next, get the httperr.log data for the failed request. How do I deal with players always (greedily) pushing for higher rewards? If you are using a REST API, you should maybe be using PUT? Train ride from Copenhagen to Malmo what is the difference between \twocolumn and \documentclass[twocolumn]{book} Please explain the local library system in London, England Unexpected parent process id in output What does

WebResponse response=null ; try { response = request.GetResponse(); // Display the status.