webclient

问题 Here is my code (Simple Downloader): public void DownloadFile(string urlAddress, string location) { using (webClient = new WebClient()) { webClient.DownloadFileCompleted += new AsyncCompletedEventHandler(Completed); webClient.DownloadProgressChanged += new DownloadProgressChangedEventHandler(ProgressChanged); Uri URL = urlAddress.StartsWith("http://", StringComparison.OrdinalIgnoreCase) ? new Uri(urlAddress) : new Uri("http://" + urlAddress); try { webClient.DownloadFileAsync(URL, location);

问题 I'm trying to access a site that has Windows Security on it: So I referenced this post and wrote the following code: $web = New-Object Net.WebClient $web.Credentials = new-object System.Net.NetworkCredential($username, $password, $domain) $content = $web.DownloadString("https://my.url") But I still get the same error I got before adding credentials: "The remote server returned an error: (401) Unauthorized." I then referenced this post, but I don't think basic authentication applies in this

问题 i'm trying to invoke a webapi with the new System.Net.WebClient and didnot found any special examples. The goal is simulate a traditional form post with some fields and a file. how can i do it using the System.Net.WebClient or where can i find some examples? thanks in advance 回答1: I think you need this: http://dzimchuk.net/post/uploading-a-file-over-http-in-net This is a very well written blog. See the last example. 回答2: There are a lot of examples if you do a fast google search, anyway, here

问题 I'm trying to get the source code of https://www.americasarmy.com/soldier/1309069 using the following code: using (WebClient client = new WebClient()) { ViewBag.htmlCode = client.DownloadString("https://www.americasarmy.com/soldier/1309069"); } 回答1: As it returns 404, the source string will be in the WebException.Response : try { client.DownloadString("https://www.americasarmy.com/soldier/1309069"); } catch (WebException webex) { using (var streamReader = new StreamReader(webex.Response

问题 I want to get all files from URL. files may be different types of extensions. How I get all files with webclient object from Website URL. when I open website Url then files listed as below format ... Frame.js MyFile.png Class1.cs "Files and folder list from web URL" 回答1: You need to write yourself a very simple web crawler. Google for 'C# web crawler' and you will find a number of blogs with simple implementations such as this one: How To: Write a Crawler in C# 回答2: As I can see your platform

问题 I create a RESTful web service and write a client to use it . but when I run it i take HTTP 400 Bad Request : javax.ws.rs.BadRequestException exeption . this is my client code : String webserviceURI = "http://localhost:8084/fsc-access"; ClientConfig clientConfig = new ClientConfig(); Client client = ClientBuilder.newClient(clientConfig); URI serviceURI = UriBuilder.fromUri(webserviceURI).build(); WebTarget webTarget = client.target(serviceURI); MultivaluedMap formData = new MultivaluedMapImpl

问题 The variable 'totalBytes' is constantly at -1 so I cannot calculate/update the progress bar correctly, why would this be happening? private void button1_Click(object sender, EventArgs e) { WebClient client = new WebClient(); client.DownloadFileCompleted += new AsyncCompletedEventHandler(Completed); client.DownloadProgressChanged += new DownloadProgressChangedEventHandler(ProgressChanged); client.DownloadFileAsync(new Uri("http://example.com/test.mp3"), @"E:\Test.mp3"); } private void

问题 The conception: I'm making a C# app which downloads files from a given URL. Textbox, url added, file downloads, every event occurs in the correct way. I'm trying to recreate this program to download multiple files, one by one. I have a textbox with one url/line, parsing happens correctly, I have all the links in a string array which was placed in the textbox. Then it starts downloading async, and I wanted to make it download only one by one, so I made a while loop in a foreach loop, as I don

问题 I have a requirement where I read a bunch of rows (thousands) from a SQL DB using Spring Batch and call a REST Service to enrich content before writing them on a Kafka topic. When using the Spring Reactive webClient, how do I limit the number of active non-blocking service calls? Should I somehow introduce a Flux in the loop after I read data using Spring Batch? (I understand the usage of delayElements and that it serves a different purpose, as when a single Get Service Call brings in lot of

问题 Behold the code: using (var client = new WebClient()) { using (var stream = client.OpenWrite("http://localhost/", "POST")) { stream.Write(post, 0, post.Length); } } Now, how do I read the HTTP output? 回答1: It looks like you have a byte[] of data to post; in which case I expect you'll find it easier to use: byte[] response = client.UploadData(address, post); And if the response is text, something like: string s = client.Encoding.GetString(response); (or your choice of Encoding - perhaps