16,689 questions with .NET-related tags

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1 answer One of the answers was accepted by the question author.

Migration from .Net Web Application (Framework 4.7) into .Net Core Web 8.0

Hi, I would like to migrate my application from .Net Framework 4.7 to .Net Core 8.0 as I would like to have my application in the latest version. My application is in MVP architecture and web pages are aspx (UI part). Is there any easy way to migrate it…

.NET
.NET
Microsoft Technologies based on the .NET software framework.
4,103 questions
ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,816 questions
ASP.NET
ASP.NET
A set of technologies in the .NET Framework for building web applications and XML web services.
3,597 questions
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,536 questions
ASP.NET API
ASP.NET API
ASP.NET: A set of technologies in the .NET Framework for building web applications and XML web services.API: A software intermediary that allows two applications to interact with each other.
440 questions
asked Jan 29, 2025, 3:37 AM
Banu 20 Reputation points
accepted Jun 9, 2025, 7:15 AM
Banu 20 Reputation points
2 answers

CSS style loading failed after RCL library release ?

hi, I have created a new RCL library. (RazorClassLibrary1 .net 9.0) Component1.razor : @page "/test1" <div class="my-component"> This component is defined in the <strong>RazorClassLibrary1</strong>…

Blazor Training
Blazor Training
Blazor: A free and open-source web framework that enables developers to create web apps using C# and HTML being developed by Microsoft.Training: Instruction to develop new skills.
36 questions
asked Jun 7, 2025, 5:44 PM
929Free 621 Reputation points
commented Jun 9, 2025, 4:16 AM
Pradeep M 9,200 Reputation points Microsoft External Staff Volunteer Moderator
2 answers

The process cannot access the file because it is being used by another process

I tried to update me db schema in my code and after changing that if i run my application i ma getting the error as follows The process cannot access the file because it is being used by another process but my db is not opened anywhere so how to…

.NET
.NET
Microsoft Technologies based on the .NET software framework.
4,103 questions
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,536 questions
asked Feb 9, 2023, 1:53 PM
Dineshkumar.S 456 Reputation points
edited an answer Jun 9, 2025, 3:40 AM
Eric Nielsen 0 Reputation points
0 answers

How to get a copy of the .NET Upgrade Planner

I would like to use the .NET Upgrade Planner from this link but access is denied when trying to download https://apisof.net/upgrade-planner Are there any alternatives places to get the download? Thank you.

.NET Runtime
.NET Runtime
.NET: Microsoft Technologies based on the .NET software framework.Runtime: An environment required to run apps that aren't compiled to machine language.
1,262 questions
asked Jun 9, 2025, 1:16 AM
James Dunlop 0 Reputation points
0 answers

how to recover BitLocker

recovery key not working on BitLocker. Have entered key info but doesn't unlock the computer

.NET Machine learning
.NET Machine learning
.NET: Microsoft Technologies based on the .NET software framework.Machine learning: A type of artificial intelligence focused on enabling computers to use observed data to evolve new behaviors that have not been explicitly programmed.
162 questions
asked Jun 9, 2025, 12:57 AM
Terri Roberts 0 Reputation points
0 answers

at StreamJsonRpc.JsonRpc.d__154`1.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndD

|at StreamJsonRpc.JsonRpc.d__154`1.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at …

.NET Runtime
.NET Runtime
.NET: Microsoft Technologies based on the .NET software framework.Runtime: An environment required to run apps that aren't compiled to machine language.
1,262 questions
asked Jun 8, 2025, 11:11 PM
Piersall, Scott 0 Reputation points
0 answers

Source generator

Hello I have a Class library, with a class using Microsoft.CodeAnalysis; using Microsoft.CodeAnalysis.CSharp.Syntax; using System.Text; namespace FontAliasGenerator { // Step 1: Mark this class as an incremental source generator [Generator] …

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
4,139 questions
asked Jun 8, 2025, 9:28 PM
Eduardo Gomez 3,651 Reputation points
5 answers

Can't find ado.net entity data model missing visual studio 2019.

i have installed Entityframework 6 also but ado.net entity data model not visible

.NET
.NET
Microsoft Technologies based on the .NET software framework.
4,103 questions
ASP.NET API
ASP.NET API
ASP.NET: A set of technologies in the .NET Framework for building web applications and XML web services.API: A software intermediary that allows two applications to interact with each other.
440 questions
asked Apr 14, 2021, 10:18 AM
Raja Ganapathy 1 Reputation point
commented Jun 8, 2025, 5:22 PM
burak kahya 0 Reputation points
2 answers

Installing 4.5.2 framework

I want to install below highlighted and for that i should include in the vs build script, can you please assist , Please share me the exact command and where to download whatever I mentioned below highlighted is not working

Entity Framework Core Training
Entity Framework Core Training
Entity Framework Core: A lightweight, extensible, open-source, and cross-platform version of the Entity Framework data access technology.Training: Instruction to develop new skills.
14 questions
asked Jun 4, 2025, 4:11 PM
Diptesh Kumar 846 Reputation points
commented Jun 8, 2025, 2:50 PM
Pradeep M 9,200 Reputation points Microsoft External Staff Volunteer Moderator
1 answer

how to divide Path by line in .net android?

I am using .net android canvas. and how to divide Path into two paths by line? there is Path which by many lines. and I want to dive the shape into two paths by the green one. but actually the line is the orange one

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
4,139 questions
asked Jun 8, 2025, 12:35 AM
mc 5,366 Reputation points
commented Jun 8, 2025, 8:30 AM
mc 5,366 Reputation points
1 answer

How to impleyment slient printing in maui blazor

Hi, I have working on a new app for billing purposes, For cross-platform I made a project Maui Blazor. Now all other development finished, Haven't got any ideas for printing the receipts on sales. Please help me out in this scenario. Concept is…

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
4,139 questions
asked Jan 2, 2023, 11:34 AM
Manu Michael Samuel 131 Reputation points
answered Jun 7, 2025, 3:32 PM
MONDAY ONOFURHO 0 Reputation points
1 answer One of the answers was accepted by the question author.

problem with .net framework 4.0

hi. i installed windows 7 yesterday and tried to install .net framework 4.0. the error code is 0x800c0019. I need it to install other peograms, pls help :C

Windows
Windows
A family of Microsoft operating systems that run across personal computers, tablets, laptops, phones, internet of things devices, self-contained mixed reality headsets, large collaboration screens, and other devices.
5,824 questions
Windows
Windows
A family of Microsoft operating systems that run across personal computers, tablets, laptops, phones, internet of things devices, self-contained mixed reality headsets, large collaboration screens, and other devices.
5,824 questions
.NET
.NET
Microsoft Technologies based on the .NET software framework.
4,103 questions
.NET
.NET
Microsoft Technologies based on the .NET software framework.
4,103 questions
.NET Runtime
.NET Runtime
.NET: Microsoft Technologies based on the .NET software framework.Runtime: An environment required to run apps that aren't compiled to machine language.
1,262 questions
.NET Runtime
.NET Runtime
.NET: Microsoft Technologies based on the .NET software framework.Runtime: An environment required to run apps that aren't compiled to machine language.
1,262 questions
asked Apr 2, 2023, 1:24 PM
commented Jun 7, 2025, 12:28 PM
Anmol Aeri 0 Reputation points
1 answer One of the answers was accepted by the question author.

problem with .net framework 4.0

hi. i installed windows 7 yesterday and tried to install .net framework 4.0. the error code is 0x800c0019. I need it to install other peograms, pls help :C

Windows
Windows
A family of Microsoft operating systems that run across personal computers, tablets, laptops, phones, internet of things devices, self-contained mixed reality headsets, large collaboration screens, and other devices.
5,824 questions
Windows
Windows
A family of Microsoft operating systems that run across personal computers, tablets, laptops, phones, internet of things devices, self-contained mixed reality headsets, large collaboration screens, and other devices.
5,824 questions
.NET
.NET
Microsoft Technologies based on the .NET software framework.
4,103 questions
.NET
.NET
Microsoft Technologies based on the .NET software framework.
4,103 questions
.NET Runtime
.NET Runtime
.NET: Microsoft Technologies based on the .NET software framework.Runtime: An environment required to run apps that aren't compiled to machine language.
1,262 questions
.NET Runtime
.NET Runtime
.NET: Microsoft Technologies based on the .NET software framework.Runtime: An environment required to run apps that aren't compiled to machine language.
1,262 questions
asked Apr 2, 2023, 1:24 PM
commented Jun 7, 2025, 12:28 PM
Anmol Aeri 0 Reputation points
1 answer

When I try to deploy to an iPhone 6 running iOS 12.5.7 I get: error MT1006: Could not install the application ... on the device 'iPwn Nova': Device is invalid (0xe8000084).

A couple of my apps and also a brand new created test app all get the same error when I try to deploy to either of my iPhone 6 devices. It also takes a very long time for the error to finally occur and the build to stop. I can say the following things…

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
4,139 questions
asked May 31, 2025, 4:12 AM
Kevin Anderson 0 Reputation points
commented Jun 7, 2025, 8:26 AM
Saideep Anchuri 7,755 Reputation points Microsoft External Staff Moderator
1 answer

How to fix white screen in release mode and there were no any error occured

How to fix white screen in release mode and there were no any error occured, debugging mode still can appear content in razor page, while after release to App Store keep appear white screen....

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
4,139 questions
asked Jun 4, 2025, 3:25 AM
Jongfoo Shee 0 Reputation points
edited an answer Jun 6, 2025, 4:53 PM
Bruce (SqlWork.com) 77,086 Reputation points Volunteer Moderator
1 answer

[chromium] [INFO:CONSOLE(0)] &#34;Failed to load module script: The server responded with a non-JavaScript MIME type of "";. Strict MIME type checking is enforced for module scripts per HTML spec

Steps to reproduce the problem: Using Xamarin Webview to load URL. Facing problems on Android APK < 30 with lower chrome version. Unable to load Webview. Problem Description: Trying to launch a Xamarin.Android WebView using…

Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,380 questions
asked Aug 17, 2022, 5:11 PM
commented Jun 6, 2025, 1:49 PM
Malik Vendorin 0 Reputation points
0 answers

Getting 429 errors on the azure functions but not able to find any of these calls in the Logs or in the Azure Insights

While using an Azure functions and .Net 8 Isolated, after some time with messages being sent and functions running... we start getting a lot of 429 errors on the azure functions. Here problem is we don't find any of these calls in the Logs or in the…

.NET F#
.NET F#
.NET: Microsoft Technologies based on the .NET software framework.F#: A strongly typed, multi-paradigm programming language developed by the F# Software Foundation, Microsoft, and open contributors.
134 questions
asked Jun 6, 2025, 12:54 PM
Virender Jain 45 Reputation points
1 answer One of the answers was accepted by the question author.

How to try .net 10 preview development on Windows?

I am currently working on .net 9 with Visual Studio Community 2022 v17.14.4. I would like to try .net 10 preview. I have looked at the information on website: https://dotnet.microsoft.com/en-us/download/dotnet/10.0 I saw the information of .net10 preview…

.NET Runtime
.NET Runtime
.NET: Microsoft Technologies based on the .NET software framework.Runtime: An environment required to run apps that aren't compiled to machine language.
1,262 questions
asked Jun 4, 2025, 5:16 AM
William Liu 531 Reputation points
accepted Jun 6, 2025, 12:13 AM
William Liu 531 Reputation points
1 answer

Can't launch my app because of 'you must install .NET Desktop Runtime' popup

Hi everyone, I'm trying to run my application I've just installed on my computer but I'm having an issue with my .NET Runtime. I've been debugging this application in Visual Studio Community 2022 v17.10.2 and it works fine when I start it through Visual…

.NET
.NET
Microsoft Technologies based on the .NET software framework.
4,103 questions
Visual Studio
Visual Studio
A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.
5,449 questions
VB
VB
An object-oriented programming language developed by Microsoft that is implemented on the .NET Framework. Previously known as Visual Basic .NET.
2,872 questions
Visual Studio Extensions
Visual Studio Extensions
Visual Studio: A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.Extensions: A program or program module that adds functionality to or extends the effectiveness of a program.
288 questions
asked Jun 12, 2024, 3:25 PM
Connor Frayne 30 Reputation points
commented Jun 5, 2025, 8:09 PM
Nick 0 Reputation points
3 answers One of the answers was accepted by the question author.

What does scoped lifetime for a service mean in Blazor (server)?

This is for Blazor (server). According to this documentation, session scope for a service in Blazor (server side) means: Scoped services aren't reconstructed when navigating among components on the client, where the communication to the server takes…

Blazor
Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML being developed by Microsoft.
1,672 questions
asked May 7, 2023, 4:24 PM
David Thielen 3,211 Reputation points
commented Jun 5, 2025, 6:46 PM
Bruce (SqlWork.com) 77,086 Reputation points Volunteer Moderator