webrequest

问题 I have here a working HTTP request using SOCKETS but I do not know how to send POST requests. Here is my code: Dim hostName As String Dim hostPort As Integer Dim response As Integer Dim iphe As IPHostEntry = Dns.GetHostEntry("www.yellowpages.com") hostName = iphe.AddressList(0).ToString() hostPort = 80 response = 0 Dim host As IPAddress = IPAddress.Parse(hostName) Dim hostep As New IPEndPoint(host, hostPort) Dim sock As New Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType

问题 In one out of around a thousand HTTPS requests, following exception is thrown: System.Net.WebException: The request was aborted: Could not create SSL/TLS secure channel. at System.Net.WebClient.DownloadDataInternal(Uri address, WebRequest& request) at System.Net.WebClient.DownloadString(Uri address) The logs from System.Net look like follows: 2016-09-20 15:10:17.1031 | INFO | 72 | System.Net | [2688] Associating HttpWebRequest#37618637 with ServicePoint#28841767 2016-09-20 15:10:17.1031 |

问题 I would like to read and modify (add) HTTP headers in a Chrome extension. I am using the chrome.webRequest API for the same. But i am still not able to read it. Here's my code. chrome.webRequest.onBeforeSendHeaders.addListener( function(details) { details.requestHeaders.push({name:"dummyHeader",value:"1"}); return {requestHeaders: details.requestHeaders}; }, {urls: ["<all_urls>"]}, ["requestHeaders"] ); What am i missing? 回答1: You need to add the "blocking" flag to the ExtraInfoSpec list in

问题 I want to monitor all the http request send from my chrome browser, and collect all the http request to another server. I have read This question and These examples, but I don't know how to get the content of the request. For example, when I browse google.com in my chrome browser with this chrome extension, this extension will send the following the another server which will collect it: GET http://www.google.com/ HTTP/1.1 Accept: text/html, application/xhtml+xml, */* Accept-Language: zh-CN

问题 I have run into an issue when working with FtpWebRequest class in C#. When I try to upload a file to an FTP server using correct credentials for the first time and then wrong credentials (user name the same but wrong password) for the second time, there is no exception thrown and the file is still UPLOADED to the FTP server. Please consider the following code: using System; using System.Net; internal class Program { private static void Main(string[] args) { var uri = new Uri("ftp://ftp

问题 I have program where i want to scrap some Useful study material for me. This site maintaining session key and some other key also. If I trying to go nested page then it will throw me out and show session out message. I unable to maintain session key in web request class. so please give me some idea that how can i maintain session in web request class. 回答1: You need to maintain the CookiesCollection across your requests. var request = (HttpWebRequest)HttpWebRequest.Create("http://www.mysite

问题 I created a simple mvc3 site with a home controller with these actions. public JsonResult Param(string id) { string upper = String.Concat(id, "ff"); return Json(upper); } public ContentResult Param2(string id) { string upper = String.Concat(id, "ff"); return Content( upper); } public JsonResult Param3(string id) { string upper = String.Concat(id, "ff"); io gg = new io(); gg.IOName = upper; return Json(gg); } } public class io { public string IOName {get;set;} } How do I use c# webrquest to

问题 Okay I tried asking this question yesterday but i'm not sure if I gave enough info, i got an answer but it hasn't worked for me. Basically what i'm doing is the user opens this windows forms application and logs in. Afterwhich they enter some text into a textbox and click run. At this point the run function is making a webrequest to a server that requires a login (the login that is initially done after they open the program. For some reason its still not seeing that the user is logged in when

问题 I am trying to retrieve HTML code from a webpage using HttpWebRequest and HttpWebResponse. response = (HttpWebResponse)request.GetResponse(); ... Stream stream = response.GetResponseStream(); The response object has a ContentLength value of 106142. When I look at the stream object, it has a length of 65536. When reading the stream with a StreamReader using ReadToEnd(), only the first 65536 characters are returned. How can I get the whole code? Edit: Using the following code segment: catch

问题 I first posted this: HttpWebRequest: How to find a postal code at Canada Post through a WebRequest with x-www-form-enclosed?. Following AnthonyWJones suggestions, I changed my code following his suggestions. On a continuation of my inquiry, I have noticed with time that the content-type of Canada Post is more likely to be "application/xhtml+xml, text/xml, text/html; charset=utf-8" . My questions are: How do we webrequest against such a content-type website? Do we have to keep on going with