webclient

问题 I'm having trouble getting DownloadProgressChangedEventHandler to fire. I understand that, worst case, the event handler should fire every 64Kb. The URL I'm trying to download data from creates 680Kb of XML data on the fly, but the handler does not fire at all. Here's test code that demonstrates the problem. Unfortunately I cannot share the specific URL as it contains proprietary data. static void Main(string[] args) { Console.WriteLine("Downloading data"); string url = "https:/

问题 I am trying to use java's WebClient jar within a jython script. I am running a jython script like so: jython -Dpython.path=/home/tipu/Dropbox/dev/proj/lib/* test.py the contents of test.py: import com.gargoylesoftware.htmlunit.WebClient as WebClient def main(): webclient = WebClient() # creating a new webclient object. if __name__ == '__main__': main() The error I get is: Traceback (innermost last): File "scraper.py", line 1, in ? ImportError: no module named gargoylesoftware This is the

问题 WebClient webClient = new WebClient(); webClient.DownloadFileAsync(new Uri(urlDownload), @"C:\Files\Test\Folder\test.txt"); If I want to save the test.txt file to the folder, the WebClient saves the file only, when I have created these folders (Files\Test\Folder) before. I have however for example the folder Test not created, the Webclient saves nothing. How do I do that folders are added automatically? 回答1: You would need to check first if the required folder does not exists already, then

问题 I wrote this code to download a file from an FTP server. When the program tries to download and save the file, I get an access denied error. I tried opening the program with admin rights, but it gives the same error. WebClient request = new WebClient(); request.Credentials = new NetworkCredential(txtFTPuser.Text, txtFTPpassword.Text); /*List all directory files*/ byte[] fileData = request.DownloadData(fullDownloaPath);//dnoces.dreamhost.com FileStream fi = File.Create(downloadTo); fi.Write

问题 I followed another post to be able to zip the content of an URL.. When I click my button Download, I "zip" the content of the URL and I save it in the default download folder... So far this is my code: WebClient wc = new WebClient(); ZipFile zipFile = new ZipFile(); string filename = "myfile.zip"; zipFile.Password = item.Password; Stream s = wc.OpenRead(myUrl); zipFile.AddeEntry(filename, s); return File(s, "application/zip", filename); it´s similar to this one (which zips the content of a

问题 working on a website here, in ASP and C#. my problem is, when I try to read a file, it finds the wrong directory. here are the code im using: addtext.Text = new WebClient().DownloadString("readme.htm"); error look like this: Could not find file 'C:\Program Files (x86)\Common Files\Microsoft Shared\DevServer\10.0\readme.htm'. how do I guide the path to the same as my default.aspx ?? 回答1: This page has pretty much everything you might need to know about resolving paths in ASP .Net 回答2: I

问题 I have a link to two files. They may be the same file, but they may not be the same URL. I want to figure out if they are the same by checking the content-length before doing a full download. What's the best way to do this? Currently I am using webbrowser control to load the page and extract data and then using WebClient.Download to get the file. Is there a way I can use WebClient to check the filesize before downloading the entire file? 回答1: I found an excellent article, Get file length over

问题 I have a colleague with a strange idea , (or maybe not so strange ? :) I need your help to determine ... He wants to use JavaScript in a Web client application (in this case EPiServer CMS) to handle (crud) all the documents in the backend ( SharePoint Online ) . The problem is , I can't find any way to get a reference to SharePoint Online in from the JavaScript code (on aspx page on client). Is there a way ? And more important, is this really a good approach to document handling in this

问题 In the console, I follow up a call the site I'm on is is making and I can see the address ( some.site.com/gettoken ), message header and something that FF calls Message Body . It's in the latter that I can see the credentials that I've entered on the site that are being sent. So, I've got the URL and the message body. Then, I've tried to implement the behavior using C# for my Azure service layer like so. String url = @"https://some.site.com/gettoken"; String credentials = "username=super

问题 I have WebAPI controller's method: [HttpPost] public void ChangeProducts(List<Product> products) { // ... } And I try to send a list by WebClient: using (var wc = new WebClient()) { wc.Headers[HttpRequestHeader.ContentType] = "application/x-www-form-urlencoded"; string sl = JsonConvert.SerializeObject(products); var r = wc.UploadString(_orderServiceUrl, sl); } or by HttpClient: using (var hc = new HttpClient()) { var val = JsonConvert.SerializeObject(products); hc.BaseAddress = new Uri(