web request in asp.net core

Question

I want to do a web request in a asp.net core project. I tried the following but it doesn't seem to send the data in the request:

using System.Net;

...

//encoder
UTF8Encoding enc = new UTF8Encoding();

//data
string data = "[\"some.data\"]";

//Create request
WebRequest request = WebRequest.Create(url);
request.Method = "POST";
request.ContentType = "application/json";
request.Credentials = new NetworkCredential(user, secret);

//Set data in request
Stream dataStream = await request.GetRequestStreamAsync();
dataStream.Write(enc.GetBytes(data), 0, data.Length); 


//Get the response
WebResponse wr = await request.GetResponseAsync();
Stream receiveStream = wr.GetResponseStream();
StreamReader reader = new StreamReader(receiveStream, Encoding.UTF8);
string content = reader.ReadToEnd();

I don't get an error, the request was send but it doesn't seem to send the data with the request. I also can't give the length of the data with the request. Is this a core issue? (ps: The credentials are send correctly)

Can anyone help me?

I'm voting to close the question, because it can't be answered (see OP's answer below) — Kapol
– Kapol, Commented Dec 19, 2016 at 16:29

ycrumeyrolle · Accepted Answer · 2016-12-18 22:36:04Z

1

You may be facing a synchronization context problem. Try to await the asynchronous methods like GetRequestStreamAsync() and GetResponseAsync() instead of getting the Result property.

//Set data in request
Stream dataStream = await request.GetRequestStreamAsync();

//Get the response
WebResponse wr = await request.GetResponseAsync();

edited Dec 18, 2016 at 22:36

answered Dec 17, 2016 at 22:43

ycrumeyrolle

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Wouter Over a year ago

Changed the code. This change did not resolve the problem but is idd more logical (problem was in my api that I was calling see answer below). Thxs for the help!

Josh Correia · Accepted Answer · 2022-08-13 20:02:41Z

1

Finally solved it. There was a bug in my external API code where I resolved the API request. The code in my question works (If someone wants to use it).

PS: I edit the code with the remark of ycrumeyrolle

edited Aug 13, 2022 at 20:02

Josh Correia

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answered Dec 19, 2016 at 16:23

Wouter

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