An odd issue that I have been trying to address in a project - my calls to WebClient.DownloadFileAsync seem to be getting ignored and no exceptions are being raised. So far I have been able to determine this might be due to destination folder not existing, but from the looks of the MSDN documentation for Webclient.DownloadFileAsync this...
Probably a long question for a simple solution, but here goes... I have a custom made silverlight control for selecting multiple files and sending them to the server. It sends files to a general handler (FileReciever.ashx) using the OpenWriteAsync method of a WebCLient control. Basically, the silverlight code does something like this f...
I am trying to use WebClient to download a file from web using a Winform application. However, I really only wanted to download HTML file. Any other type I will want to ignore. I checked the WebResponse.contenttype, it always return me NULL. Anyone have any idea what could be the cause? ...
I'm using ASP.NET WebClient.DownloadFile(url) to obtain images from the Image Servers of several of our clients. The 'url' is usually simple, like "http://somewhere.com/images/image01.jpg". This works great for 99% of our clients. But one is giving me a "An existing connection was forcibly closed by the remote host". Every time. I tri...
Hello All, Currently I have an application that receives an uploaded file from my web application. I now need to transfer that file to a file server which happens to be located on the same network (however this might not always be the case). I was attempting to use the webclient class in C# .NET. string filePath = "C:\\test\\564....
Hi, I have in my Form constructor, after the InitializeComponent the following code: using (WebClient client = new WebClient()) { client.DownloadDataCompleted += new DownloadDataCompletedEventHandler(client_DownloadDataCompleted); client.DownloadDataAsync("http://example.com/version.txt"); } When I start my form, the UI doesn...
Hello, I am using multiple instances of the WebClient class in order to download many small files at the same time asynchronously from a web server on the internet. The URI i'm using has it's IP in number notation to avoid unnecessary DNS resolutions. I am pushing it a bit, using e.g. 50+ instances of the class at the same time. What I...
I have some client side code that uploads an Outlook email to a document library and as long as the path is pointing to the root of the doc library it works just fine. @"https://<server>/sites/<subweb>/<customer>/<teamweb>/<Documents>/" + docname; is the projectUrl in this function : public bool SaveMai...
Hi, Does anyone know how to acess a url from a windows application?. I have an address http://serverport/Page.I want to acess this page from my windows application. Regards, Harsh Suman ...
Scenario: localhost receives the current HttpRequest with 3 hidden inputs and a posted file. I must then forward this form data to an external image host and get the response. ...
Is there something I need to do to get System.Net working with Microsoft Visual C# 2008 Express Edition? I can't seem to get any web type controls or classes to work at all.. the below WebClient example always throws the exception "Unable to connect to the remote server".. and consequently I can't get the WebBrowser control to load a pag...
I get security exception when using System.Net.WebClient to do HTTP requests, which is due to the fact that crossdomain.xml or clientaccesspolicy.xml on the target server are either missing or are too restrictive. I know there is a good reason for this (cookies and cross-site request forgery), but it does not apply in my case since all I...
I have a relatively simple feature that uses the WebClient class to perform an HTTPS POST to a web server. This code works reliably but encounters problems when using the EarthLink or AT&T download accelerator feature. The download accelerator works by changing the dial-up connection's proxy settings to specify localhost:8080 for th...
I'm downloaded the code from John Papa's book here: http://silverlight-data.com/ and am sucessfully running the Chapter 7 example which allows you to press a button and it reads RSS from digg.com and then displays it. So, then I replaced the digg URL http://services.digg.com/stories/topic/microsoft/?appkey=http%3A%2F%2Fwww.silverligh...
Greetings! I'm creating a web form prototype (ImageLaoder.aspx) that will return an image so that it may be used like this simple example other Web Forms/web pages: <img src="http://www.mydomain.com/ImageLoader.aspx?i=http://images.mydomain.com/img/a.jpg" /> So far, it loads JPGs with no problems, however GIFs look "grainy" compared ...
I have an application that creates and edits documents. I need to integrate it with SharePoint, so that users can edit files on SharePoint servers using my application. My environment is Visual C++, non-MFC Windows application. I'm trying out the Web Client service (webclnt.dll) to see if I can get my app to work with a minimum of co...
I am currently integrating with a system created by a 3rd party. This system requires me to send a request using XML/HTTPS. The 3rd party send me the certificate and I installed it I use the following code: using (WebClient client = new WebClient()) { client.Headers.Add(HttpRequestHeader.ContentType, "text/xml"); System.Text.ASC...
I'm integrating my application so that it can edit files stored in SharePoint. I'm using the Web Client service AKA WebDAV Redirector(webclnt.dll) which does a wonderful job of letting the normal CreateFile/read/write Windows api calls be redirected from their normal drive I/O path out to the network via WebDAV. However, I can only get...
Hi. I'm trying to login to a website using HTTP POST method. I've inspected and altered the POST data while logging in to the website and I came to the conclusion that only the two "username" and "password" fields are required to be passed as POST data to the login page, I removed all other headers namely user-agent, Referer etc and stil...
I'm using webClient.DownloadFile() to download a file can I set a timeout for this so that it won't take so long if it can't access the file? ...