How to fix An operation was attempted on a nonexistent network connection. (0x800704CD)
Hi guys I got an exception error like the below stack trace. I suspect the problem is when reading the response data, or reading the data for the request. Could you tell me why this exception occurred and how to fix it? Exception Type :…
Request are stucking in AuthenticateRequest State on IIS
We're facing a critical issue with our API server. It's built on C# .NET 4 with a C++ backend. The problem manifests as certain requests hitting the IIS of the backend server some instances, these requests remain stuck in the AuthenticateRequest state,…
Getting recording to work with multiple USB cameras using C# .NET on Raspberry Pi 5
Hello, I have a question opened on the Raspberry Pi forum but I don't seem much of activity there, especially regarding .NET IoT on ARM. I follow this article https://neilsnotes.net/Software/Coding/dotnetPiCam.html and I simply don't understand why the…
RuntimeError: Unable to retrieve .NET dependencies. Please make sure you are connected to the Internet and have a stable network connection."
I met the problem when download datasets using azcopy on AzureML. The error message as follows: Traceback (most recent call last): File "pods_aml_main.py", line 1109, in <module> main() File "pods_aml_main.py", line…
Change DNS Server Address To One that Supports Encrypted Connections over https
Hello, I recently downloaded NetSurfer Browser (an open-source product that offers added security) and I operate 2 businesses from my home online. Prior to downloading NetSurfer, I read the information/requirements for the program, and it stated that…
Wi-Fi connected but no internet on and off again, search bar not working, glitching laptop
I’ve just arrived in China from the US and it seems like my laptop (Windows 11) has somewhat glitched? My Wi-Fi stopped working properly. It always says that it is connected but there’s no internet. It connects and disconnects by itself over and over…
.NET Framework Winforms App on Windows IOT
I have a Winforms application built on .NET Framework 4.7 running on client's desktops. Client would like to run it on a tablet running Windows IOT. I've found a couple of articles indicating it should run on Windows IOT Enterprise, but not Windows…
How to allow Download NuGet packages on a server with limited internet access
I Have development environment with limited internet access, and i want to allow nuget.org website access for the purpose of download. unfortunately, some dependencies might required from a third party linked in packages inside NuGet which originally not…
Is there a Event handler available on .Net / c++ /c# for Wireless profile added event and deleted event?
I want to register a Windows app for listening to Wireless profile changes (Addition or Deletion) performed on Windows settings or by executing netsh commands from CMD. Is there any event handler available for the same? If yes, how to register for the…
crystal report 13 log on prompt on runtime
while running my crystal report web application I am stuck in log on loop unable to run crystal report. Recently I have migrated my project from crystal report 11 using visual studio 2002 to crystal reports 13, have made all the connection from oracle…
How to add IoTHub in Networking port rules of a VM
I want to add the IoT Hub and Azure Container Registry in the Destination of Outbound port rule of a azure VM where IoT Edge runtime is installed, so that IoT Edge can send data only to specific IoT Hub. I tried by adding the hostname of the IoT Hub but…
windows iot core dashboard does not download
can't download windows iot core dashboard || Please Help me !!
Azure block some requests to .NET 6 API
Hello, I'm migrating from ASP.NET Core 2.2 to ASP.NET Core 6 on Azure. I have several modified Raspberry Pi(StratoPI) that make request every 10 seconds to .NET Core portal after some operations response back. On localhost, everything works…
UdpClient Class exsample appears to eat memory until it stops
I modified the example posted in doc UdpClient Class so it can operate in a loop. It runs a while and then it stops while I need it to run forever. The code to reproduce: …
Azure IOT Hub Service Client SDK Issue --> Invoke Device Method fails after sixteen method calls
I am having issues with C# Microsoft.Azure.Devices Service SDK (current version 1.38.0) and experienced the same issue with former version1.77.1 I have a .NET 6 Core Web API project that is using the SDK to invoke device methods on the IOT Device (IOT…
Multicast client packet loss
I have some doubt regrading multicast client . I have developed a console application in which creating multicast client socket and receiving the data on given ip credentials . The multicast data frequency is too high . Have you heard about NSE…
Is there any library in .NET Core for RFID read and write
Hello, I am working on a project which uses RFID smart card to access room, so when user access room his/her details should be read and stored in database, and also can put restriction on card like time and number of access per day. So is there any…
Connect Asp.Net Web App to hardware like temperature sensor to control it?
What should I know? I want to control temperature sensor with Asp.Net web app.
Why my program sometimes not work only at startup?
Here is the code of my dotnet console App : using System; using System.IO.Ports; using System.Linq; using System.Threading.Tasks; namespace ConsoleApp1 { internal class Program { private static SerialPort SP1 = new…
How can I connect serail port in linux by .net core?
There are two serial ports in my device, I have to get data from the A port, convert and transfer it to the B port. I want to develop it by .net core. In the windows system there is a port name(For example COM1/COM2). I need the port name to connect…