851 questions with Developer technologies | ASP.NET | ASP.NET Core tags
Blazor app works locally but shows Error.razor page after publishing
Hello, I have developed a Blazor 8 application using Visual Studio. The app runs correctly when running locally, but after publishing it to Plesk, it only shows the Error.razor page without any additional error details. How can I diagnose the issue and…
Developer technologies ASP.NET ASP.NET Core
Developer technologies .NET Blazor
Developer technologies .NET Other
Microsoft.AspNet.OData NuGet Package Upgrade Causing delay in the Functionality
Hi, I have upgraded Microsoft.AspNet.OData NuGet Package in our application from 7.5.14 to 7.7.5 and since then it is causing delay in few of the Api calls in the application. Before upgrade everything works fine without causing any delay. The scenario…
Developer technologies ASP.NET ASP.NET Core
Developer technologies .NET Other
Developer technologies ASP.NET Other
Incorrect assessment result for Develop an ASP.NET Core web app that consumes an API
I attempted the assessment and successfully completed all the tasks. I am very sure that my result is calculated incorrectly. The result says I failed to Interact with an API which does not make any sense as I would not be able to proceed to other…
Developer technologies ASP.NET ASP.NET Core
Developer technologies ASP.NET ASP.NET API
Unable to connect Azure SignalR in Dafault mode with .Ner Core app
I have a service made with .Net Core 8, which are Web API with a SignalR Hub. This service will scale horizontally. For this reason I intend to use the Azure SignalR service in Default mode to act as a proxy between the different instances of my…
Developer technologies ASP.NET ASP.NET Core
Azure SignalR Service
Microsoft Cognitive Services Voise to Text How to Recognise base64string
I'm using Microsoft Cognitive Services Voise to Text in my Asp.Net application. How can I pass base64string from my c# controller to SpeechRecognizer? Thank you!
Developer technologies ASP.NET ASP.NET Core
Azure AI services
How to upload file in Azure Blob Storage using c# having file name with accent (à, è, ù) in it.
I am trying to upload a fle with file name having some accent for example "Rapport Draft à relire". The UploadAsync method of BloadClient class start giving error as the http request cannot have non ASCII characters . Here we can see the name…
Azure Blob Storage
Developer technologies ASP.NET ASP.NET Core
Cryptography Performance of Ubuntu Server versions
I appreciate your help with this issue. I'm running a .NET 6.0 powered web and API application behind an Apache reverse proxy. These applications use some self-signed certificates for certain operations. Here's the situation: Operating Systems: The…
Developer technologies ASP.NET ASP.NET Core
Azure Signal R - Not acting as backplane as expected - cannot send message to specific user if not connected to same server
So we implemented Signal R on ASP.NET Core and used single server at first due to limitations with scaling using default scenario not serverless We discussed on implementing backplane or using Azure Signal R service - ended up going with Azure The issue…
Developer technologies ASP.NET ASP.NET Core
Azure SignalR Service
How to load images initially into a view
I have an MVC Core project, where I'm working on a page for editing product inventory for an online store. I have everything done for CRUD operations. But I don't know how to load images initially. I know in classic ASP.net I use isPostBack. but for MVC…
Developer technologies ASP.NET ASP.NET Core
Facing issue in scaffold item identity
i have been trying to add identity in my package but when i do i face this kind of error There was an error running the selected code generator: 'Package restore failed. Rolling back package changes for 'eCommerceWebApp'.' i have tried to clear…
Developer technologies ASP.NET ASP.NET Core
Mysterious Error log from IdentityClient when using DefaultAzureCredential
2024-02-27 23:08:54.995 ERROR 54214 --- [ main] c.a.i.implementation.IdentityClient : Could not invoke the MSAL Broker. Ensure that the azure-identity-broker library is on the classpath. java.lang.IllegalStateException: Could not invoke…
Developer technologies ASP.NET ASP.NET Core
Microsoft Security Microsoft Entra Microsoft Entra ID
Developer technologies ASP.NET Other
Single File Deployment
We are producing single-file executables for our console app which is not working with the native dll methods at runtime. I’ve always tested it locally without the publish and it still works fine. “IncludeNativeLibrariesForSelfExtract” is set in the…
Developer technologies ASP.NET ASP.NET Core
Developer technologies .NET Other
Developer technologies ASP.NET Other
Exceeded language worker restart retry count for runtime:dotnet-isolated. error happening locally while upgrading azure function project to isolated
I am trying to upgrade my azure function project from .net 6 to .net 8 isolated and it seems there is something wrong with my local because I get the same error in the projects that I developed myself and deployed to production. Here is the full log of…
Azure Functions
Developer technologies ASP.NET ASP.NET Core
I am getting System.InvalidProgramException error when upgraded the application from .NET 3.0 to .NET 8.0
I have upgraded Npgsql package from version 4.1.5 to version 8.0.2 that is required for .NET 8 upgradation but I am getting the following error after deployment of the service on the development environment and performing the health check for…
Developer technologies ASP.NET ASP.NET Core
Developer technologies .NET .NET Runtime
Developer technologies .NET Other
NullReferenceException: Object reference not set to an instance of an object.
I'm using ASP.net mvc. I think there's something wrong with my controller and view. I can't move on with my crud since i'm stuck at the index action. Some help from anyone would be very much appreciated!
Developer technologies ASP.NET ASP.NET Core
Developer technologies C#
How to upgrade web projects in the solution?
The solution is targeting framework 4.6. and solution has web projects inside I am using upgrade assistant for the upgrade process. For web projects, it show side-by-side incremental upgrades. I did it created a new web project but the diagram didn't…
Developer technologies ASP.NET ASP.NET Core
Developer technologies .NET Other
Troubleshooting a Hosted Service Not Running
We have an API application deployed in IIS as a sub application in a website with its own application pool. The necessary settings have been configured for the hosted services in the application pool and API application, but the hosted service is not…
Developer technologies ASP.NET ASP.NET Core
How do I avoid rate limit issue when extracting many images from microsoft graph urls?
Hi support, I have a web application which displays teams messages from various channels in one place, when a user sends an image in teams chat, it is received as a url in the format…
Developer technologies ASP.NET ASP.NET Core
Microsoft Teams Development
Microsoft Security Microsoft Graph
Microsoft Teams Microsoft Teams for business Other
How to Fix Stop code HTTP.sys issue.
Windows Server 2019 datacenter version gets restarted with stop code http.sys. Is there any workaround to resolve this issue permanently.
Windows development Internet Information Services
Developer technologies ASP.NET ASP.NET Core
Windows for business Windows Server User experience Other

How to deploy an asp .net core wep app to a linix app service ?
i am trying to deploy to a Linux app service. the message is get on VS is attached. and what i see when i have deployed the app. what i see when i click on the link is ":( Application Error If you are the application administrator, you can access…