webrequest

C# Asynchronous WebRequest with POST

I am trying to find a C# Asynchronous WebRequest function which will be able to POST variables to a server, and retrieve the response. I have found many Async WebRequests for C#, but they are not able to POST in them, and when I try to change them to post variables, it will not work. Cheers ...

how to change originating IP in HttpWebRequest

I'm running this application on a server that has assigned 5 IPs. I use HttpWebRequest to fetch some data from a website. But when I make the connection I have be able to specify which one of the 5 IPs to make the connection from. Does HttpWebRequest support this? If it doesn't can I inherit a class from it to change it's behavior? I nee...

How to send a picture as part of a multipart POST request - Java HtmlUnit

I am trying to use Java to submit a captcha to decaptcher.com. Decaptcher doesn't really do a good job of explaining how to use their API's, so I am trying to figure out how to use an HTTP POST request to submit a captcha. Here is the example code I got from their website: <form method="post" action="http://poster.decaptcher.com/" ...

How to Specify WebRequest IP to use (or HttpWebRequest if applicable) (C#)

Hi All, Is it possible to specify the IP address a WebRequest should use when creating a connection to a remote resource? For example, I have an MVC 2 website which runs on IP 0.0.0.10, but the server has 0.0.0.1 - 0.0.0.10 assigned to it. In the website there is a class that will be initialized based on user input and it will create re...

Downloading large amount of images, making it faster...

I need help with downloading from webserver... What i currently do is get XML file from web servers that contains image locations, parse XML, download each image, store image on iphone, and store image name to sql database. This takes lots of time because there is large amount of images to be downloaded and i am downloading one by one....

synchronize sending requests

Hey what i m doing i have to send requests to yahoo for picking up the stock rates. The companies name which i need to send are in an array n i have also coded to send only 100 companies request but what happens is the requests are sending all at a time and since it doesnt wait for the response i get response only for the first 100. how ...

Copying Http Request InputStream

Hi, I'm implementing a proxy action method that forwards the incoming web request and forwards it to another web page, adding a few headers. The action method works file for GET requests, but I'm still struggling with forwarding the incoming POST request. The problem is that I don't know how to properly write the request body to the o...

Sharepoint webpart cannot read httpwebresponse from asp.net page

I have a sharepoint webpart that makes an httpwebrequest to an ASP.NET web page. The webpage polls a database and spits out an rss feed as xml. Whenever I try to get the response from the page I am getting an IO exception : "Unable to read data from the transport connection: The connection was closed." As of right now I am not trying ...

WebRequest problem, response before request-body

Hi, I'am using the WebRequest class in .net and POST data to a server which is responding with a Response. The wierd thing is that its working when I started fiddler to analyze my network traffic, but without fiddler it isn't. So i started to analyze the package which is sent to and from my computer with WireShark. With in this progr...

"Request is not available in this context" in a IHttpModule

Hi, I'm getting that exception when I try to access the HttpContext.Current.Request object. I've seen the responses in l1, l2 and l3 ... so... my question then is : For what in the world are IHttpModules now for? I wanted to develop a module that gets hit every time a call enter to may website, so I can log the url accessed, the use...

How to use XMLHttpRequest in Objective-C?

I'm creating easy to use kannada comic reader on mac for my cousins. I'm able to pull the comic pages, but lot of meta content exchanged webpage and server using XMLHttpRequest. I'm finding difficulties use XMLHttpRequest, could anyone tell me how can I use it? ...

The remote name could not be resolved: 'localhost'

How can the application not be able to lookup localhost? The remote name could not be resolved: 'localhost'; StackTrace; at System.Net.HttpWebRequest.GetRequestStream(TransportContext& context) at System.Net.HttpWebRequest.GetRequestStream() at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String me...

Making a web request to a web page which requires windows authentication

I am trying to make a request to a web page using WebRequest class in .net. The url that I am trying to read requires Windows Authentication due to which I get an unauthorised exception. How can I pass a windows credentials to this request so that it can authenticate. HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create( "http...

Arabic WebRequest C#

I am trying to access a website through C# using the WebRequest and the WebResponse object, I logged on to the site and preserved the cookie to further browse it, The problem is that the website is arabic and somehow I got a formatted message from the website indicating that my browser does not support arabic. Perhaps I can add somethi...

http request in windows service.

How can we implement like this request: http://nominatim.openstreetmap.org/reverse?format=xml&amp;lat=52.5487429714954&amp;lon=-1.81602098644987&amp;zoom=18&amp;addressdetails=1 in a windows service. what we are trying to do is this: run a request from windows service, and when we get the response back,we will save to DB? Edit: the ...

How to post a custom user defined object to a url?

Hi all, MyObject myobject= new MyObject(); myobject.name="Test"; myobject.address="test"; myobject.contactno=1234; string url = "http://www.myurl.com/Key/1234?" + myobject; WebRequest myRequest = WebRequest.Create(url); WebResponse myResponse = myRequest.GetResponse(); myResponse.Close(); Now the above doesnt work but if I try to hit...

C# POST and be transfered to another site (https)

Hi! I am supposed to post some data to a site, using C#. I could post by just using a formular and simple html code. But I do not want any user to be able to look at the source code. My basic code is: WebRequest request = WebRequest.Create("https://blabla.bla"); request.ContentType = "application/x-www-form-urlencoded...

webrequest.GetResponse https throw error 403 protocolerror on windows 2008 x64

Hi, I have a application use Webrequest to post and get some data from a server with a SSL certificate. It is all very well except on Windows 2008 x64. The server return error 403 forbidden. thanks in advance. burns ...

WebRequest- retrieving data asynchronously for multiple requests

The code is not complete (It does not build), as I am not able to get the "item" in the following line in the WriteResponseData(). HttpWebResponse WebResp = (HttpWebResponse)item.EndGetResponse(result); I must be missing something. Please point out. below is the complete code:- static string[] imageUris = { "http://www.crici...

Wait for the response to be fully received

I have a Windows Phone 7 application (Silverlight-based) that sends a web request and receives a web response. It works fine - I am using BeginGetReponse and an AsyncCallback to call EndGetResponse. However, I need to wait for the response to be fully received, so that I can fill a collection with the data from the response. What woul...