16,704 questions with .NET-related tags

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.NET 9 Core MVC - Database qurstions

I have a very old MS SQL database. When I say old, I really mean that it was created and built upon without any adherence to proper database design discipline. Anyways, this is currently running a very outdated combination of asp and asp.net webform…

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.
15 questions
asked Jun 17, 2025, 6:27 PM
Michael Torres 20 Reputation points
3 answers

Why do you do homework

Why do you do homework?Why do you do homework? Why do you do homework This question is related to the following Learning Module

.NET Internet of things
.NET Internet of things
.NET: Microsoft Technologies based on the .NET software framework.Internet of things: A concept that aims to extend the benefits of the regular internet, including constant connectivity, remote control ability, and data sharing, to goods in the physical world.
41 questions
asked Jun 17, 2025, 6:15 PM
Phương Trần 0 Reputation points
answered Jun 17, 2025, 6:17 PM
Phương Trần 0 Reputation points
8 answers

unable to deploy .net core app on a shared linux hosting

Hi, .net core app is supposed to be a multi platform app. For some reason no shared Linux hosting (like a2hosting.com) is allowing .net core app their linux shared hosting servers.

.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.
1,264 questions
asked Dec 11, 2020, 12:43 PM
Mohamed Cisse 1 Reputation point
commented Jun 17, 2025, 5:08 PM
Simon Jakob Egli 0 Reputation points
2 answers One of the answers was accepted by the question author.

How to change the grey default background of a combobox in wpf in xaml

Hi how can I change the grey default background color of a combobox? Of the selected Item not the dropdown list Any help?

.NET
.NET
Microsoft Technologies based on the .NET software framework.
4,103 questions
Windows Presentation Foundation
Windows Presentation Foundation
A part of the .NET Framework that provides a unified programming model for building line-of-business desktop applications on Windows.
2,854 questions
asked Feb 2, 2024, 8:36 PM
VFarkas 30 Reputation points
commented Jun 17, 2025, 10:56 AM
Jan-Willem Alderliesten 0 Reputation points
2 answers One of the answers was accepted by the question author.

.NET 8 WinForms Migration – System.Data.SQLite vs Microsoft.Data.Sqlite

Hi everyone, I'm in the process of migrating a Windows Forms application from .NET Framework 4.7.2 to .NET 8. The original project uses System.Data.SQLite (version 1.0.113), and everything has been working smoothly so far. Now that the application is…

.NET Training
.NET Training
.NET: Microsoft Technologies based on the .NET software framework.Training: Instruction to develop new skills.
31 questions
asked Jun 16, 2025, 11:27 AM
Aman Agrahari 40 Reputation points
accepted Jun 17, 2025, 9:14 AM
Aman Agrahari 40 Reputation points
0 answers

Scrolling Issue on Tabbed Page in iOS When Adding Dynamic Labels

I am experiencing a scrolling issue on a tabbed page in iOS when dynamically adding labels. In most cases (approximately 8 out of 10 times), I am unable to scroll down after adding the labels. This issue occurs on both real and simulator devices. …

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
4,147 questions
asked Jun 17, 2025, 6:05 AM
Omkar Pawar 235 Reputation points
0 answers

Dynamic NavMenu

I am trying to implement the default NavMenu.razor with a number of NavLinks where one of the items is not visible by default. It should only become visible after an authenticated user belonging to a specific role condition is true. My code snippet is…

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
4,147 questions
asked Jun 16, 2025, 10:02 PM
Onyango, David 31 Reputation points
2 answers

UI freezes for sometime after UI binding

My data is binding to UI quickly but the UI freezes for few seconds and I have only 2 records. I am loading data in ContentView Loaded event var newStops = await Task.Run(() => { return response.Stops .OrderByDescending(x =>…

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
4,147 questions
asked Jun 15, 2025, 5:09 PM
Shashank Gaddam [C] 20 Reputation points
answered Jun 16, 2025, 5:35 AM
Shashank Gaddam [C] 20 Reputation points
0 answers

Can I use getManufacturerSpecificData in StartDiscovery in .net android?

how to use getManufacturerSpecificData in StartDiscovery not StartLeScan?

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
4,147 questions
asked Jun 16, 2025, 4:07 AM
mc 5,406 Reputation points
1 answer

Unable to Authenticate MAUI Application on Android

I have a Blazor hybrid app that successfully authenticates against Azure client OpenID authentication scheme on windows but fails on android device. Is there a working example to reference specifically for Android?

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
4,147 questions
asked Jun 14, 2025, 9:29 PM
Onyango, David 31 Reputation points
answered Jun 15, 2025, 9:35 PM
Onyango, David 31 Reputation points
1 answer One of the answers was accepted by the question author.

How to fix this issue - Failed to marshal the Objective-C object 0x1257d5880

I am facing an issue on an iOS device. After installing the app and opening it, I encounter this error. Failed to marshal the Objective-C object 0x1257d5880 (type: Microsoft_Maui_Controls_Handlers_Items_VerticalCell). Could not find an existing managed…

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
4,147 questions
asked Jun 13, 2025, 6:43 AM
Bhuwan 881 Reputation points
edited a comment Jun 15, 2025, 8:01 AM
Bhuwan 881 Reputation points
1 answer

How to improve tapping feedback in Maui

Hello. Please. how to improve the feedback of tap recognize on a label of one character because the tapping area is small the tapping feedback is lower. In my app I have a grid row with 10 columns and in each grid cell I have a one character label with…

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
4,147 questions
asked Jun 11, 2025, 7:37 AM
Haviv Elbsz 2,071 Reputation points
edited an answer Jun 15, 2025, 6:58 AM
دعاء علي حمدان الجروانية 80 Reputation points
1 answer

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
edited an answer Jun 15, 2025, 6:55 AM
دعاء علي حمدان الجروانية 80 Reputation points
1 answer

Severity Code Description Project File Line Suppression State Error MSB4100 Expected "$([System.String]::Copy('%(Identity)').EndsWith('.resources.dll'))" to evaluate to a boolean instead of "$([System.String]::Copy('C:\Users\tarek\OneDrive\Desktop\StoreAp

Severity Code Description Project File Line Suppression State Error MSB4100 Expected "$([System.String]::Copy('%(Identity)').EndsWith('.resources.dll'))" to evaluate to a boolean instead of…

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
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
.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
4,147 questions
asked May 8, 2024, 3:16 AM
م.طارق علي 0 Reputation points
edited an answer Jun 15, 2025, 6:54 AM
دعاء علي حمدان الجروانية 80 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.
4,147 questions
asked May 31, 2025, 4:12 AM
Kevin Anderson 0 Reputation points
commented Jun 15, 2025, 3:10 AM
Kevin Anderson 0 Reputation points
3 answers

Is .NET Framework 4.8 supported on Windows 7 Embedded? Can VS2022-built apps run on Windows 7?

We are trying to confirm compatibility between Microsoft technologies and Windows 7 Embedded. Specifically, we would like to know: Is .NET Framework 4.8 officially supported on Windows 7 Embedded editions ? Can applications built using Visual Studio…

.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.
1,264 questions
asked Jun 12, 2025, 8:59 AM
Sujili Sundaramoorthy 0 Reputation points
edited a comment Jun 14, 2025, 4:42 PM
Bruce (SqlWork.com) 77,556 Reputation points Volunteer Moderator
2 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
answered Jun 14, 2025, 4:12 PM
دعاء علي حمدان الجروانية 80 Reputation points
1 answer

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.
4,147 questions
asked Jun 8, 2025, 9:28 PM
Eduardo Gomez 3,651 Reputation points
answered Jun 14, 2025, 4:10 PM
دعاء علي حمدان الجروانية 80 Reputation points
1 answer

.NET MAUI Dns.GetHostEntry()/Socket.Connect() exception on Android 10 and Android Emulator API 27

I have a .NET MAUI implementation of System.Net.Sockets that runs fine on Windows, but when run on Android 10, the call to Dns.GetHostEntry("GAI-W10-Dev1"); throws an exception:…

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
4,147 questions
asked Oct 4, 2022, 8:05 PM
Rodney (Rod) Girod 11 Reputation points
commented Jun 14, 2025, 3:53 AM
Bindu Arun - MS Cloud 0 Reputation points
1 answer One of the answers was accepted by the question author.

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.
4,147 questions
asked Jun 8, 2025, 12:35 AM
mc 5,406 Reputation points
edited a comment Jun 13, 2025, 8:34 PM
Bruce (SqlWork.com) 77,556 Reputation points Volunteer Moderator