how cancel token work in these cases
following code is from https://learn.microsoft.com/en-us/dotnet/csharp/asynchronous-programming/cancel-an-async-task-or-a-list-of-tasks i could not understand when it will show following two messages from last main code. Console.WriteLine("Download…
Developer technologies | ASP.NET | ASP.NET Core
have problem with this site, can you help please?
Erreur du serveur dans l'application '/'. Le format de la chaîne d'entrée est incorrect. __Description :__Une exception non gérée s'est produite au moment de l'exécution de la demande Web actuelle. Contrôlez la trace de la pile pour plus d'informations…
Developer technologies | ASP.NET | Other
How can I prevent Vistual Studio uninstalling workloads that I'm currently using?
I have an issue when using Visual Studio where I can be in the middle of working on a project and then I without any warning I'll start getting build errors because a workload required for my project isn't installed. Specifically this is usually…
Developer technologies | Visual Studio | Setup

Possible to use VS
Hi, Is it valid to use VS version on Oracle Linux OS? Which VS version is fine for that?
Developer technologies | C#
How to fix ASP.NET Core WEB API ? localhost error
I am trying to run an API test first but then whenever i tried to run it it gives me this error localhost cannot be found even on the localhost:5125 still wont run
Developer technologies | ASP.NET | ASP.NET Core
Developer technologies | ASP.NET | ASP.NET API
Updating Layout When Navigating to Fragment
When navigating to a Fragment using the SupportFragmentManager in .NET for Android using code similar to the following: this.SupportFragmentManager.BeginTransaction().DisallowAddToBackStack().Replace(Resource.Id.fcvMain, new…
Developer technologies | C#
All other products, downloads and keys have been removed from the subscriptions.
TLDR: Effective June 5, 2025, Pacific time zone, the Visual Studio Enterprise benefit will be tiered according to Ambassador milestone. All Ambassadors should immediately take steps to ensure:
Developer technologies | Visual Studio | Debugging
Is it possible to deploy a .net maui application on Android Go Edition
Is it possible to deploy a .net maui application on Android Go Edition?
Developer technologies | .NET | .NET MAUI
PowerBIClient: 403 Forbidden error unless preferClientRouting=true is used
PowerBIClient: 403 Forbidden error unless preferClientRouting=true is used - Request #422710 R. Aaron La Mar Omari Holtz Description We are experiencing an issue when making API calls with PowerBIClient in C#. In some cases, the request fails with: …
Developer technologies | C#
Visual Studio Community 2022, not seeing some xml comments
I have multiple projects within one solution. I use the functions of multiple other projects within another project. When i hover above the function of different projects, there's no xml comments (like describing how a function works, its inputs and…
Developer technologies | Visual Studio | Other

Is there a cleaner way to connect Power BI to Oracle Fusion?
We're using BICC and BI Publisher exports to pull Fusion data into Power BI. It works… sort of. But it’s messy - lots of manual steps, stale data, and fragile file-based pipelines. I came across a method that does direct connectivity from Power BI to…
Developer technologies | Windows Forms
Why aren't platform helpers like IConnectivity and ILauncher included in the service collection by default?
Xamarin Essentials was merged into the .NET MAUI packages with the migration, which felt like a great improvement for discovery and QoL. The move to MAUI also saw the introduction of interfaces to support usage of these helpers in IoC scenarios,…
Developer technologies | .NET | .NET MAUI

Request for Recommendation: Winsock-Compatible TCP Client with Message Queue Support.
Hi Team, We need to change the type of socket connection in our .NET Framework 4.7 application. Currently, we are using Winsock, but we are facing multiple connectivity issues. I am planning to switch to a different socket implementation. I have tried…
Developer technologies | .NET | Other
Asp Net, MVC design patterns
Good afternoon, I'm currently developing in ASP.NET using the MVC 5 framework, and I have SPA applications. I want to migrate or unify my SPA applications into a single project. The project will have charts, reports, forms, and approximately 20 pages.…
Developer technologies | ASP.NET | ASP.NET Core
Blazor Warm Start
I have a landing page and when the user clicks a button it does Blazor.start(); Q. Is there a way that I can do something like Blazor.preload(); where it will preload the *.wasm assemblies into the Wasm runtime while the user is reading the landing page…
Developer technologies | ASP.NET | ASP.NET Core
How do I resolve the following Exception...?
Exception thrown at 0x00007FFA4A457F9A (KernelBase.dll) in App.exe: WinRT originate error - 0x8000FFFF : 'WindowsXamlManager and DesktopWindowXamlSource are supported for apps targeting Windows version 10.0.18226.0 and later. Please check either the…
Developer technologies | C++
Operation Not Supported on This Platform When Consuming WCF Service in .NET 8
untering the error "Operation not supported on this platform" while attempting to consume a WCF service from .NET 8. The service is built in .NET Framework with wsHttp security. The implementation involves passing a username, password, and a…
Developer technologies | ASP.NET | ASP.NET API
How to add API Authentication and authorization in web server (Kestrel - Self hosted) created in .Net Standard 2.0.
I want to add API Authentication and authorization in our web server (Kestrel - Self hosted) created in .Net Standard 2.0. I want to use Windows authentication here. We found that this can be done using the AddNegotiate() in…
Developer technologies | ASP.NET | ASP.NET API
Blazor and ValidationGroups
I am in ASP.NET since the first version of .NET Framework and I am used to some features that are missing now. Please notice that I've just recently moved to Blazor. Currently, I am wondering why the ValidationGroups are not part of it. I have a kind…
Developer technologies | ASP.NET | ASP.NET Core
Developer technologies | .NET | Blazor
Developer technologies | ASP.NET | Other
how to replace a .NET Framework dll with .NET Core dll in a legacy app
Hello, Could someone please provide the steps involved in replacing a .NET Framework dll with a .NET Core dll in a target framework 4.6.2 app? I am getting many conflicts. I am also using Visual Studio Community 2022. William Johnston