webclient

问题 Im trying to replicate a site post as here: https://www.usbank.com/cgi_w/cfm/personal/products_and_services/reoPropertiesReq.cfm I just want to post any state to see the results as they will end up in an email. This is my post method and it works for login etc on other sites so I know it works public HtmlDocument POST(string url, string postData) {//string myParameters = "param1=value1&param2=value2&param3=value3"; HtmlDocument hdoc = new HtmlDocument(); wc.Headers[HttpRequestHeader

问题 I'm posting data to a service that requires that I submit duplicate query string keys (ugly and not specified in any standards). I'm using WebClient object to build the request. I'd like to keep using it since it is used frequently elsewhere in the project. When I do this foreach(var f in formats) client.QueryString.Add("formats", f); I get a list &formats=format_1,format_2,format_3 which the service does not support. Is there a better alternative than this old-school ugliness: var

问题 I have a simple code that downloads a file from specified URL and it works great in windows 7, but when i run it in windows 8.1 downloaded file is corrupted. Where is the problem? This is the code and URL: WebClient wClient = new WebClient(); wClient.DownloadFile(@"http://members.tsetmc.com/tsev2/excel/MarketWatchPlus.aspx?d=0", "dl.xlsx"); 回答1: This URL does not deliver what you expect. Use Fiddler to find out what happens at the HTTP level. You need to find out what the server needs as

问题 I have very strange issue. I am trying to make a get request to a url using WebClient WebClient client = new WebClient(); client.DownloadString("https://api.test.kount.net/rpc/v1/orders/detail.xml"); It throws following exception. System.Net.WebException: The underlying connection was closed: An unexpected error occurred on a receive. ---> System.IO.IOException: The decryption operation failed, see inner exception. ---> System.ComponentModel.Win32Exception: The message received was unexpected

问题 I have been recently working in downloading webpage content using WebClient in C#. The DownloadString method of WebClient can not download the content from iframe. The short code for downloading content has been used as: using (var client = new WebClient()) { string html = client.DownloadString("url"); } What should I need to use for reading iframe content in C#? For Testing, I am using http://multiprofits.co.uk/oddsmatcher.html site which has iframe in it. 回答1: You have to search for the

问题 I'm using dropbox Core API and faced one issue related to folder downloading. For example I'm just calling folders shared link that I want to download- "https://www.dropbox.com/sh/sssadadsd/afgasga?dl=1" and it's automatically compresses it into .zip archive and downloads it to my pc. The question: What if the user renames the folder, how can I know the shared link without going manually to the Dropbox and copying the shared link ? Is that even possible? Maybe can encrypt somehow using the

问题 web service post method is new for me. can u pls help me out what am i doing wrong. WebClient webClient = new WebClient(); webClient.Headers[HttpRequestHeader.ContentType] = "application/x-www-form-urlencoded"; webClient.Encoding = Encoding.UTF8; webClient.UploadStringCompleted += new UploadStringCompletedEventHandler((sender, e) => { if (e.Error != null) { return; } string result = e.Result; }); string uri = "http://localhost:60696/service/getlogin/"; StringBuilder postData = new

问题 I'm using C#, WinForm, This code. I have modified the XML file and uploaded it to the web server, but the XML file is missing from the web server. but debugging is good working and WebClient Download works well. using (WebClient client = new WebClient()) { client.Credentials = new NetworkCredential("id", "password"); client.UploadFile("http://abcdef.com/test.xml", @"C:\test.xml"); } 回答1: The WebClient.UploadFile Method uploads the data, then you need server-side code to do what you want with

问题 I'm trying to use Steam's Web API to receive JSON and parse it using JSON.Net. I'm simply hard-coding a URL where I know I'll receive JSON. I'm running into the following error when I run it though: Unexpected character encountered while parsing value: . Path '', line 0, position 0. The error points to line 22 of my controller: Line 22: SteamResponse response = JsonConvert.DeserializeObject(json); Here are my classes: public class Game { public int appid { get; set; } public int playtime

问题 So I'm confused, about why my WebClient is not accessing its DownloadStringCompleted . After reading the possible problems that the WebClient is being disposed, before it can finish its download. Or that exceptions are not being caught during DownloadData or that simply the Uri is inaccessible. I've checked against all these problems, and my WebClient has not yet accessed its DownloadStringCompleted . PMID WebClient Class /// <summary> /// Construct a new curl /// </summary> /// <param name=