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Questions tagged [system.net]

System.Net is a namespace of the .NET framework. It provides a simple programming interface for many of the protocols used on networks today.

System.Net is a namespace of the .NET framework. It provides a simple programming interface for many of the protocols used on networks today.

References

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What is the relationship between ServicePointManager.DefaultConnectionLimit and system.net connectionManagement maxconnection?

Do these two settings refer to the same limit or seperate limits? (don't fixate on the number, I put that in at random) System.Net.ServicePointManager.DefaultConnectionLimit = 20; The above property which can be set in code, and the optional…
Andrew M
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MemoryStream from HttpContent without copying

I m trying to use System.Net.Http for POST requests. I m ok with HTTP response body being in memory but need to obtain MemoryStream for it. One way to do that would be to call HttpContent.GetAsByteArrayAsync() and wrap a MemoryStream on top of it,…
Yevgeniy P
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C# Is the TcpListener limited to local area network or is something wrong with my code?

I have a problem with my chat app : it doesn't work over the network . I tried port-forwarding and other similar methods. I'm starting to question my code . I'm new to networking so please help me with this. I heard of another method using…
KillTheKiller
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Politely checking to see if a file exists before downloading

I'm trying to download files using the Net.WebClient call to DownloadFile Using client As New Net.WebClient() Try client.DownloadFile(PDFURL, FullPDFFilePath) I then catch the exception and check the message for 403, 404, or 500 errors…
cometbill
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Response URL is returning previous Imgur image URL instead of current image URL

I've built a new Unity project that makes use of C# and System.Net to access Imgur's API. I'm able to pull images into my application from anywhere, and I can upload screenshots to Imgur through my new application's client ID. I'm able to get a…
RMGCode
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How do I resolve 302 Error when using HttpClient?

I've created a custom DNN module that uses HTTPClient to send information to an external API. My HttpClient method is as follows: public static async Task CreatePayerResponse() { var credentials = GetCredentials(); var…
SidC
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SocketException 'the connected party did not properly respond after a period of time' when connecting to server using public ip (C#)

I'm trying to create a server using C#. Currently, I have two programs, a server and a client both of which work correctly when they are both run on the same computer, the server's TcpListener is created using the ip 127.0.0.1 (localhost) and the…
TheTVGuy
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C# Systems.Net library vs. command line networking tools

For part of a C# application I am executing some relatively simple networking commands. (ping, ipconfig, tracert, nslookup, etc.) I have read this answer on when to use C# vs CMD/PowerShell in the general…
Birdman
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Is this the right way of using System.Net?

My Post Method for System.Net is public string Post(string url, string postdata, string referrer = "https://accounts.epicgames.com/login?productName=epic-games&redirectUrl=https%3A%2F%2Fwww.epicgames.com%2Fsite%2Fen-US%2Fhome&noHostRedirect=true",…
KeCa
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ETW Manifest files - finding more information on the values?

I'm troubleshooting the windows Networking stack and using Perfview/ETW to do it. I'm particularly interested in some values that appear in the manifest for the event source Microsoft-Windows-TCPIP. I can get the manifest with no problem using…
g0pher
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Tracking outgoing requests in Azure Functions

As part of a Microservice based solution that we are building we have a number of Azure Functions sitting in one Azure Function App. The functions Orchestrate numerous requests to different APIs some of which take a long time to complete. We added…
ObiEff
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Beginners Question - Visual C# - System.Net Assembly and WebRequest

Hopefully this is a simple fix I have the code: using System.Net; namespace WebGet { public partial class Web { public static void Main() { WebRequest webRequest; } } } And I get an error saying it…
Greycrow
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How can I convert raw string to HttpRequestMessage object?

I am writing integration test cases where I need to mock web service. I will have a dictionary that maps requests to fake responses. The IEqualityComparer is suitably overloaded to treat similar requests as same. To populate the…
Jatin Sanghvi
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'System.InvalidProgramException' in System.Net.Http.dll c#

Tests in my unit test project which are written for WebApi's are failing. The Exception that is thrown is 'System.InvalidProgramException' in System.Net.Http.dll Additional information: Common Language Runtime detected an invalid program. This is…
Vinodh
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How can I get HttpHeaders.TryGetValues() to return several values?

I’m using HttpHeaders.TryGetValues but I can’t figure out how to make it return several values. Here is what I’m trying: using System.Net.Http; var response = await new…
0xced
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