HTTP

JSON

Process JSON from an httpresponsemessage (C#)

11 Mar 2024 by Martin Carpenter

I'm trying to process JSON data that I've retrieved from a Web API. HttpResponseMessage response = await client.PostAsJsonAsync( "api/my_report", report_request); response.EnsureSuccessStatusCode(); var content = await...

C#7.1

JSON

Reviewing Newline Injection

3 Mar 2024 by Jason Sultana

Understanding and preventing Newline Injection

How do I get an image URL then write it to disk?

8 Jan 2024 by Pete O'Hanlon

Just spitballing, but something like this should be possible.private HttpClient httpClient; public async Task DownloadImageAndSaveAsync(string sourceFile, string outputFolder, string outputFileName) { try { using Stream fileStream = await...

WPF

FileStream

How do I get an image URL then write it to disk?

8 Jan 2024 by OriginalGriff

Here's how I do it: WebClient wc = new WebClient(); outPath = Path.Combine(KnownFolders.Downloads.Path, $"{imageFileName}.{imageFileExtension}"); wc.DownloadFile(imageUrl,...

WPF

FileStream

How do I get an image URL then write it to disk?

8 Jan 2024 by Leonard Salamacha 2023

I have been trying to get the image from a url then writing the image to disk with no success. Can anyone help with this? Example URL is: https://static.tvmaze.com/uploads/images/medium_portrait/244/610854.jpg Current code is: try {...

WPF

FileStream

What is the default URL page extension in ASP.NET MVC?

7 Nov 2023 by Richard Deeming

IIRC, the X-Powered-By header is added if ASP.NET is installed on the server; it doesn't tell you that the current page was actually generated by ASP.NET. I don't think there's any realy way you can tell from the outside whether this is a...

What is the default URL page extension in ASP.NET MVC?

7 Nov 2023 by DerekT-P

I'm evaluating a 3rd party website for a client. All the pages end in a .ASP extension (which I'm familiar with from the old days of Classic ASP). The response headers include a "X-Powered-By" value of ASP.Net, and the page content doesn't...

Comparison of HTTP libraries

1 Nov 2023 by Ivan Yakimov

The article contains comparison of pure HttpClient with RestSharp and Refit.

Fixing PlatformNotSupportedException when Running Window Communication Foundation Applications

7 May 2023 by ToughDev

How to fix PlatformNotSupportedException when running WCF apps

Redirect .aspx page from http:// (non-secure) to https:// (secure) web site

29 Jan 2023 by kk2014

Hi All suppose i have two sites are https://test.com and http://test.com. Earlier, my files were on http://test.com (non-secure) now i have migrated them on https://test.com (secure). So now there are no files on http://test.com (non-secure). ...

How do I return meaningfull custom http response in ASP.NET core web api

11 Dec 2022 by CodeGuru84

To create a custom HTTP response in ASP.NET Core, you can use the ObjectResult class. The ObjectResult class allows you to return a custom object as the response from a controller action. Here's an example of how you might use the ObjectResult...

Corel

How do I return meaningfull custom http response in ASP.NET core web api

11 Dec 2022 by AzeeM_R

1 Hi I want to create middleware for Asp.net core to wrap http response that returns response like below { { "count":1,"timestamp":"2021-12-18T01:13:41.2985038+05:00", "status":"Success", "results":[ {...

Corel

Post request from native javascript to nestjs using axios

6 Dec 2022 by Juan Casas Dec2022

The goal is to migrate code that makes a post request. The code being migrated comes from Zapier. The code is being migrated to a nestjs app. Zapier uses vanilla javascript. the code used in zapier that makes a request is the following:: ...

Javascript

NestJS

Conversation over HTTP

25 Nov 2022 by Peter Leow

Beginner's Guide to HTTP

HTML

PHP

Flutter API post method can not send data to SQL server localhost. Show error "HTTP error 400. The request hostname is invalid"

20 Oct 2022 by enamul haque

In "bb" variable all data show in json format when i debugged. but show this error "HTTP Error 400. The request hostname is invalid". This json data is working in Postman Please Help!!!! What I have tried: void send() async { var...

Streaming Media Files in Spring Boot Web Application

12 Sep 2022 by Han Bo Sun

How to stream a large file and support byte range seeking using Spring Boot

How to Use Rest API with Python

24 Mar 2022 by dk_the_developer

Step by step guide to consuming the Rest API endpoints using Python programming

Python

HTTP: The request failed with HTTP status 400: Bad Request.

18 Mar 2022 by Ahiri

Hi,I want to pass the byte array into insert query but I am not using the parameter. I am directly passing values into insert query.I am getting the following error:at System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response,...

error-handling

errors

How do I pass the req object as whole to the api using axios in nodejs

21 Feb 2022 by Sam_k_khan

i want to send the req object as whole in another request e.g axios and process the req object in api rather than inside route that will be some where else. here is my route code app.post("/adddata", async (req, res) => { const result =...

Node.js

I need help with complex httpwebrequest in VB.NET

25 Jan 2022 by expertvision

I'm building a Windows application that will connect to a website using private proxies and do stuff on that site. I want to use the new HTTPClient to do that. I have the next scenario for the login part: I GET the login page. The login page...

I need help with complex httpwebrequest in VB.NET

7 Jan 2022 by Eltontom

I'm not familiar with Complex HTTPWebRequest but, Is your Cookie File Name supposed to have a Forward Slash "/" or a Back Slash "\"?? "Dim filename As String = "d:/" & "cookie.dat"

Send restsharp post request thru proxy server

7 Jan 2022 by sabin 2021

I am trying to send a restsharp post request thru a proxy server, but I cant figure out how to. What I have tried: I have tried this but it didnt workvar client = new RestClient("http://example.com") client.Proxy = new...

proxy

Api response truncate at the end

21 Dec 2021 by AzeeM_R

I have http response wrapper that rewrite response and suppose to send response like below {"Version":"1.0.0.0","StatusCode":200,"Message":"Success","Result":[{"code":"465","name":"fasdfsdfsd","systemkey":"AAAAAACL","createdby":"RM ...

ASP.NET5

HttpHandler

httplite: C++ REST Processing Class Library

6 Dec 2021 by Michael Sydney Balloni

Interested in easily implementing REST communications in your Windows C++ apps?

Problem with assembly system.net.http.formatting

13 Oct 2021 by Alexander Angelopoulos

public string Execute(string url, DataSet dsItem) { using (HttpClient client = new HttpClient()) { client.BaseAddress = new Uri(url); ...

API

Getting the error fetching the data using http api

10 Oct 2021 by Priyanshu Sharma 2021

function getcartdata($acctoken) { $url = "https://api.us-central1.gcp.commercetools.com/demo-commerce/carts/8d9e4d12-2a5f-4bd4-a4af-97d2bd9b320c"; $requestmethod = "GET"; $cartdata = getRequest($url, $requestmethod,$acctoken); return...

PHP

How do I activate reverse proxy with swag & docker-compose

5 Sep 2021 by Member 15348209

The following three containers are managed in docker-compose. 'docker-compose up' solves all 3 containers with no errors, and my application works properly when 'docker swag flag -f' is called. I followed these instructions to set up and edit the...

docker

server

HTTP request - put file on (sharepoint) drive MS GRAPH

26 Jul 2021 by stijn de Decker

hi, I am trying to put i a file on a sharepoint drive with MS GRAPH. it works for text files but other files get changed - result file corrupt its with a FMIS program, i only have some sort of lowcode i can use when i check the data of the...

How to keep longer http connection

13 Jul 2021 by Member 13702159

I have HTTP client: OkHttpClient client = new OkHttpClient.Builder() .connectTimeout(55, TimeUnit.MINUTES) // connect timeout .writeTimeout(55, TimeUnit.MINUTES) // write timeout .readTimeout(55,...

Error:exception was thrown by the target of invocation” C# httpclient

23 Jun 2021 by Manidas Payyoli

I have two API created in .net core 3.1 (lets say api A & api B) api A will call api B and merging 2 out put.But when call, I am getting :"Error:: Exception has been thrown by the target of an invocation.: Error Executing C# Script" so as I said...

The underlying connection was closed: An unexpected error occurred on a receive.

15 Jun 2021 by Azad R Chouhan

Hello everyone I am posting the same question again. Because i did not get any reply from my previous question.I am working on an application. Its a window application which developed in .net 2.0Now the problem is this that when ever i run my application and i send a request to another...

.NET2.0

Selenium proxy pop up in java

1 Jun 2021 by Ben Zimmer

So this is the popup that I'm referencing: https://i.stack.imgur.com/w0Abz.png Everything is working completely fine except this one pop up which I can’t bypass. Here is the code I'm using to connect to the url public void...

How do I send more than one variables using one http.post request ESP32 cam

24 May 2021 by Member 13128846

i'm trying to send(POST) multiple(2or3) variables using http.POST.http.POST(variable1,variable2) something like this, but unable to do so. can anyone please help me in doing this? What I have tried: i used & between tow variable in a single...

How to check a specific string contains in the json object in core api

17 May 2021 by Manidas Payyoli

Hi i have a function which will check given project name is include in the json object. For that I am not getting a proper json object in my response how to do that? this is my object ...

JSON.NET

How to check a specific string contains in the json object in core api

17 May 2021 by raddevus

You didn't tell us what the actual error is: Is the for loop ever entered? Or, does it cause an error when the for loop is entered? I'm going to guess that the for loop is never entered. That means the JSONObj.length is probably 0. Most...

JSON.NET

How do I use my local IP address like as my api in http.begin()

14 May 2021 by Member 13128846

I am trying to use http.begin() method in HTTPClient Library to program esp32 cam. i have an api that uses for sendein sms that works fine in http.begin(myApiAddress) and also i can use myApiAddress in an address bar a browser like google chrome...

How do you script dynamically generated HTTP headers?

20 Mar 2021 by User 15073331

I am building a scripted API which allows users to log in to dating social media. Upon visiting the following link: https://badoo.com/signin/?f=top First HTTP XHR POST request you will get is: https://badoo.com/webapi.phtml?SERVER_APP_STARTUP ...

Access violation reading location 0x00000000 when calling managed code from unmanaged code

3 Mar 2021 by Member 14649480

Hi, I have developed a c# dll that makes http reqest using System.Net namespace. If I call the dll methods from an c# programm everything workes fine but i need to use this dll from native c++ code. For this i used COM interop service. All goes...

Access violation reading location 0x00000000 when calling managed code from unmanaged code

3 Mar 2021 by OriginalGriff

Firstly,you aren't calling GetResponseAsync in that code. Secondly, half the other stuff we have no idea what exactly they are: JObject, what is returned by your GetResponse call. Thirdly, why are you preparing a byte array version of your...

Customize the error response body

3 Mar 2021 by rtksmithjoton123

When upload a large file, the iis will occur to a http 413 error. And the response body is html. But I want to customize the response body. How can I do it? What I have tried: I find some blogs and other way to excute it. But no this configuration.

.NET-Core

IIS-Express

AngularJS FormData Multi-part File Upload

18 Jan 2021 by Han Bo Sun

Another tutorial on file upload with AngularJS, using FormData for multipart file upload

Efficient HTTP Chunked Transfer Encoding for IoT Devices

26 Nov 2020 by honey the codewitch

Efficiently send large amounts of data with a tiny amount of memory

An IoT Smart Clock Using an ESP32 Development Board

22 Nov 2020 by honey the codewitch

Revisiting our WiFi enabled smart clock project with more modern hardware

A Remote Pump Monitor over WiFi

5 Nov 2020 by honey the codewitch

Explore an Arduino based IoT web server and UDP multicaster for monitoring a remote water pump

A $5 Programmable Tiny Webserver The Size of a Jump Drive

4 Nov 2020 by honey the codewitch

Unleash the tiny ESP-01 on your network

How to Implement and Use Awaitable Sockets in C# using TAP

23 Jul 2020 by honey the codewitch

Explore adapting Socket's async model to a task based one and adding some awaitable socket operations to your projects

Windows Sockets Streams Part III - HTTP Server

6 Jul 2020 by Mircea Neacsu

Make yourself a HTTP server in 20 lines or less

HttpClient Single Instance or Multiple

30 Jun 2020 by Sandeep Mewara

Evaluating the effect of using single vs multiple instances of HttpClient

ASP.NET

Translating C# Lambda Expressions to General Purpose Filter Descriptors & HTTP Query Strings

22 May 2020 by Kamran Saeedi

An idea on how to use .NET ExpressionVisitor to translate lambda expressions into classes that encapsulate data suitable for filtering data & creating query strings

Ibm HTTP server installation

25 Mar 2020 by Member 11416690

I have installed IBM HTTP server in webserver and the web link is up and running. But the link is only working for me.it is not working for another persons. Can you pls help gus what will be the issue. What I have tried: I have tried changing...

IBM

server

dataStream.Length' threw an exception of type 'System.NotSupportedException

24 Mar 2020 by priyanka_jns

Hi All,I have to post some data from asp.net to Webservice using HTTP post.While I am trying to POST data to a Restful service and getting this error. Any help greatly appreciated.Length = 'dataStream.Length' threw an exception of type 'System.NotSupportedException'Position =...

What is this stateless application or stateless architecture?

9 Mar 2020 by Raghurss

I was just reading an article about serverless computing and its future. So, in this article, this term called 'stateless' was mentioned. Can anyone explain this term 'stateless' as if to a guy who is not much into tech? What I have tried: I...

cloud

What is this stateless application or stateless architecture?

9 Mar 2020 by OriginalGriff

Quote: what I understood was there will be no state stored in the server between any two requests. And that is exactly right: there is no state preserved between requests: a request is complete in itself and does not retain information for later...

cloud

Bare HTTP is Not Fully RESTful - A Deeper Look at REST Architectural Style and How HTTP Shows Protocol Deficiencies

Throttling Outgoing Requests in Node.js

4 Mar 2020 by Kamran A

How to track requests across a cluster using distributed counters and sliding time windows

4 Mar 2020 by Łukasz Bownik

The article tries to map a deeper, more generic nature of REST architectural style into HTTP to show protocol deficiencies.

HTTP bad request (400)

23 Jan 2020 by dnibbo

Ok, using a .NET application I am POSTing web requests to an API which is poorly supported; will not mention Microsoft by name but it is theirs! When I POST valid data all is good and I get a HTTP Created response as expected, yippee... However, when I post invalid data I don't get a response...

ASP

HttpWebRequest Error - The underlying connection was closed: An unexpected error occurred on a send.

17 Dec 2019 by Member 14693488

System.Net.ServicePointManager...

HttpWebRequest Error - The underlying connection was closed: An unexpected error occurred on a send.

17 Dec 2019 by judah9107

Hi, I get always that error "The underlying connection was closed: An unexpected error occurred on a send" when I try to invoke the REST service by GET method. (The service Respond in JSON Format)this is my code:string uri =...

Ignoring certificate errors with HTTPS

14 Dec 2019 by PIEBALDconsult

So, my boss told me we need to download some data from another team's site -- within the company domain, it's trustworthy, right? -- but they have a bad certificate (wrong name for the server or some such). I'm sure they'll get it straightened out by the time we need to get this feed into...

certificate

Ignoring certificate errors with HTTPS

14 Dec 2019 by phil.o

Did you try to install offending certificate in the list of trusted sources for the account under which the program is running?mmc -a ... add a component to the mmc to handle certificates ... etc. I had to do this a few months ago to be able to access a wiki running in a private vm. I remember...

certificate

Best overloaded method has some invalid arguments

27 Oct 2019 by Jassim Rahma

Hi, I am trying to store image from URL into an image viewmodal but getting: the best overloaded method has some invalid arguments What I have tried: Here is what is m trying: viewModel.Image = ImageSource.FromUri(string.Format("https://www.domain.com/gallery/channels/{0}/{1}.png",...

Best overloaded method has some invalid arguments

27 Oct 2019 by OriginalGriff

The ImageSource.FromUri(Uri) Method (Xamarin.Forms)[^] expects a URI class instance as it's single parameter, not a string. Try this: viewModel.Image = ImageSource.FromUri(new URI(string.Format(...)));

The underlying connection was closed: An unexpected error occurred on a receive.

30 Sep 2019 by veeramanidhana

If your service is https then add this line before webclient call ServicePointManager.SecurityProtocol = (SecurityProtocolType)768 | (SecurityProtocolType)3072;

.NET2.0

Linux QT - how can I transform qimage to qfile

18 Sep 2019 by Member 14367686

hi i`m making program taking my picture and uploading at http SERVER. now i already successed to make uploading picture by using Networkmanager.post function. but i have some problem. post function is needed request and QDeviceIO type object. so if i upload image, i have to upload by QFile or...

image

file

HTTP error when upload website

16 Sep 2019 by irfanansari

i upload website it is shows error i do not know how and why Config Source: 13: 14:

IIS

HTTP error when upload website

16 Sep 2019 by MadMyche

Your XML is invalid; you need to close out the first section group before opening another

IIS

Consume XML service from code-behind

13 Sep 2019 by Jassim Rahma

Hi, I am trying to consume a government web service to get address details. I tried below code but it returns nothing although it works fine when I try it on my WinForm when using Add Web Service A sample valid number is mention in the attached project 1923578758 What I have tried: Here...

TinyWeb: A Simple Web Server in C#

11 Sep 2019 by honey the codewitch

A simple home HTTP server that works across all .NET platforms

Tiny Web Server Take 2

8 Sep 2019 by honey the codewitch

A Tiny Dynamic Home Webserver in .NET that runs on Core and DNF both (Take 2)

How to find m3u8 link passing a link to a website as a parameter in a java program?

3 Aug 2019 by Dimbu9

Hi guys I need to create a simple java program that allows me to get a m3u8 link contained in the website passed as a parameter. I have to retrieve the http header of the website ?, how can I do? google dev tools (f12) https://i.imgur.com/4xgchaw.png[^] What I have tried: i tried to use...

stream

How to find m3u8 link passing a link to a website as a parameter in a java program?

3 Aug 2019 by Afzaal Ahmad Zeeshan

Since you want to parse an HTML document and read its contents, there are two ways. First of them (the easy way) would be to use an HTML parser and then read the header values one by one. I have not heard of any in Java but with C# we had HtmlAgilityPack[^]; which in Java is somewhere to be like...

stream

Can I get a list of all http sites in the world?

6 Jun 2019 by OriginalGriff

Probably, yes - but it will cost you! See here: All Registered Domains - WhoIs[^]

Can I get a list of all http sites in the world?

6 Jun 2019 by Member 14484020

can I get a list of all http sites in the world? What I have tried: I've tried inurl:http but it takes forever to get even a bunch of sites right and I have to think of new keywords everytime to get the sites. Is there kind of a directory or a script i could use to filter the http from all...

AngularJS ngResource Tutorial

15 May 2019 by Han Bo Sun

In this tutorial, I am going to discuss how ngResource works. I will demo all 4 HTTP verbs (or methods), and multiple ways request input data can be packaged. It will be a very fun tutorial.

The underlying connection was closed: An unexpected error occurred on a receive.

10 May 2019 by Member 14362952

This is related to TLS, Just upgrade the .net to the latest version. This happens when the server denies tlsv1.0 or tlsv1.0 is disabled from the server side. To resolve this from the client side just upgrade to the latest version and see.

.NET2.0

How to pass SQL raw queries while posting the data.?

29 Apr 2019 by gani7787

I am using some web service and for testing i am posting data through POSTMAN tool. Inside the body of the postman tool, i am passing credential of the database and SQL Queries. Finally i am getting the response as string value. The same i want to post through my ASP.net C# code. i am trying...

How to extract all urls from HTML webpage

24 Apr 2019 by SGAU

I have below response that I got by sending GET request to some server (GET /k/302.html HTTP/1.0) using java socket connection. HTTP/1.1 200 OK Date: Thu, 25 Apr 2019 06:31:21 GMT Server: Apache/2.4.29 (Ubuntu) Last-Modified: Thu, 11 Apr 2019 11:44:58 GMT ETag: "59-5863fb73cdcbb" Accept-Ranges:...

HTML

How to extract all urls from HTML webpage

24 Apr 2019 by Christian Graus

You can search for href= to get relative urls. Basically if a regex doesn't work, work out the cases where it doesn't and string mash them

HTML

(Convert code PHP to C#)

8 Apr 2019 by AtulSharma609

private void getResponce() { string requestJson = string.Empty; using (StreamReader reader = new StreamReader(System.Web.HttpContext.Current.Request.InputStream)) { requestJson = reader.ReadToEnd(); string returnUrl =...

(Convert code PHP to C#)

8 Apr 2019 by AtulSharma609

Hello can anyone help me do this , i do not know PHP and i have to do this in asp.net c# function sign_ipn($reply, $token) { ksort($reply); $flat_reply = ""; foreach ($reply as $key=>$value) { $flat_reply = $flat_reply."$key=$value&"; } $flat_reply =...

(Convert code PHP to C#)

7 Apr 2019 by OriginalGriff

Translating code from one language to another rarely works well, unless they share a common "philosophy" and framework, like VB and C#. But PHP and C# are very, very different: one is an interpreted language, and the other is compiled. They do not share a framework. Converting a (fairly poorly...

XML-RPC

23 Mar 2019 by Martin Vorbrodt

XML-RPC

XML

C++

Not receiving httpurlconnection.getinputstream()

14 Mar 2019 by Samira Radwan

Hi All, I'm trying to send/POST a binary file to a local server using java HttpURLConnection and all seems to work fine. The server receives the file I can see it. The problem is I'm not receiving a response, which i should. When uploading the file from html page the browser shows the...

Android

Not receiving httpurlconnection.getinputstream()

14 Mar 2019 by Chad3F

Have you tried removing the BufferedInputStream()? If the server hasn't closed the stream yet, it may still be waiting to buffer more data (or reach EOF, which never happens). Based on your given expected output, I wasn't sure if you accidentally pasted multiple times or the server is "pushing"...

Android

Problem with client server using HTTP

5 Mar 2019 by Member 13995616

This is my code for web-server.cpp file #include #include #include #include #include #include #include #include #include #include #include #include ...

sockets

client-server