23,820 questions with .NET-related tags

Sort by: Updated
0 answers

how to export function in dll to aot?

I created .net class library to build dll and want to publish native aot and I write function public static MyClass { public static int MyFun(int n) { return n*n; } } I publish it to native aot to win-x64 but in dll there is no function why?

.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,352 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.
10,217 questions
asked 2024-04-23T02:04:43.3933333+00:00
mc 3,641 Reputation points
1 answer

Xamarin iOS unable to debug over local device iOS 17.1.1

I have two real devices: iPhone 15 Pro Max iOS 17.1.1 iPhone 7 iOS 15.7.8 I'm trying to debug my Xamarin application over a real device. Using my iPhone 7 works as expected. But it has been impossible for me to do the same using my iPhone 15 Pro…

Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,292 questions
asked 2024-04-11T07:21:13.1733333+00:00
Alex 0 Reputation points
commented 2024-04-23T02:03:08.04+00:00
Wenyan Zhang (Shanghai Wicresoft Co,.Ltd.) 26,146 Reputation points Microsoft Vendor
0 answers

Loading module from “.../_framework/dotnet.js” was blocked because of a disallowed MIME type (“text/html”)

My project runs fine on local host, but when I publish a Blazor WebAssembly app to Azure I get: Loading module from “https://aistorybuilderstest.azurewebsites.net/_framework/dotnet.js” was blocked because of a disallowed MIME type…

Blazor
Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML being developed by Microsoft.
1,381 questions
asked 2024-04-23T01:56:10.4266667+00:00
Michael Washington 891 Reputation points MVP
0 answers

While enabling the .net framework form control panel getting an error, .net is the prerequisite for interspec application, we are unable to perform the installation

.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,352 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.
1,118 questions
asked 2024-04-22T15:08:19.31+00:00
THUMMALURU RAJESH REDDY 0 Reputation points
edited the question 2024-04-23T01:28:47.93+00:00
Jiale Xue - MSFT 30,811 Reputation points Microsoft Vendor
1 answer

Request OAuth2.0 token using azure app services managed identity

Hi All, I have a question on Azure App Service Managed Identity. Currently we are working on an API project where it provide the function to interact with user in Azure Entra thru Microsoft Graph API calling. To protect the API function, we have a…

ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,148 questions
Microsoft Graph
Microsoft Graph
A Microsoft programmability model that exposes REST APIs and client libraries to access data on Microsoft 365 services.
10,538 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.
10,217 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.
293 questions
Azure App Service
Azure App Service
Azure App Service is a service used to create and deploy scalable, mission-critical web apps.
6,846 questions
asked 2024-04-19T05:19:21.3666667+00:00
Tan Soon Chek 0 Reputation points
commented 2024-04-23T01:17:35.93+00:00
Tan Soon Chek 0 Reputation points
0 answers

System.NullReferenceException: Object reference not set to an instance of an object.

System.NullReferenceException: Object reference not set to an instance of an object. at Mono.Debugging.Soft.SoftDebuggerAdaptor.GetTypeName(EvaluationContext ctx, Object type) in…

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
2,851 questions
asked 2024-04-22T06:51:46.9233333+00:00
Ashutosh Mehere 0 Reputation points
commented 2024-04-23T01:16:41.4233333+00:00
Yonglun Liu (Shanghai Wicresoft Co,.Ltd.) 35,046 Reputation points Microsoft Vendor
0 answers

MAUI CommunityToolkit MediaElement a grey screen is showing in non full screen mode.

In my MAUI application, the CommunityToolkit MediaElement a grey screen is showing when the video is playing in non full screen mode. In full screen mode the video is playing correctly. I have changed the source video but the issue is still appearing.

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
2,851 questions
asked 2024-04-22T07:35:56.4533333+00:00
Kannan P S 0 Reputation points
edited a comment 2024-04-23T01:16:21+00:00
Yonglun Liu (Shanghai Wicresoft Co,.Ltd.) 35,046 Reputation points Microsoft Vendor
1 answer

Value cannot be null. Parameter name: format

Value cannot be null. Parameter name: formatValue cannot be null. Parameter name: formatValue cannot be null. Parameter name: format Value cannot be null. Parameter name: format

.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.
91 questions
asked 2024-04-23T00:46:01.5866667+00:00
Krizthel 0 Reputation points
answered 2024-04-23T00:58:21.9466667+00:00
Marcin Policht 9,655 Reputation points MVP
1 answer

OAuth2 callback redirects user to authorization page

I am implementing OAuth2 authorization in my application with an external provider. When the user is redirected back to my application from the authorization server, my application will just redirect the user back despite using the Redirect() method to…

ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,148 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.
10,217 questions
asked 2024-04-22T21:21:27.0266667+00:00
iKingNinja 40 Reputation points
commented 2024-04-22T22:09:38.0233333+00:00
iKingNinja 40 Reputation points
2 answers

Visual Studio stopps responding when creating new React + .NET project

Hello. I have a problem when creating new project in Visual Studio. I am trying to create new Fullstack React + .NET project using the official React + .NET template. However upon creating new project, the console gets opened and quickly closes only for…

.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,352 questions
ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,148 questions
ASP.NET
ASP.NET
A set of technologies in the .NET Framework for building web applications and XML web services.
3,248 questions
Visual Studio
Visual Studio
A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.
4,590 questions
Visual Studio Setup
Visual Studio Setup
Visual Studio: A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.Setup: The procedures involved in preparing a software program or application to operate within a computer or mobile device.
961 questions
asked 2024-04-22T20:53:59.4933333+00:00
Filip Studeny 0 Reputation points
edited an answer 2024-04-22T21:59:54.3+00:00
Bruce (SqlWork.com) 55,196 Reputation points
0 answers

Trouble Implementing Federated Credentials with Managed Identities in Azure Function App API Authentication

I have an API inside my function app and have been accessing the API using the secrets created in the app registration associated with the function app. Now we're looking to eliminate the secrets and modify it to use managed idenities as the client app…

Azure Functions
Azure Functions
An Azure service that provides an event-driven serverless compute platform.
4,228 questions
.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,352 questions
Microsoft Entra ID
Microsoft Entra ID
A Microsoft Entra identity service that provides identity management and access control capabilities. Replaces Azure Active Directory.
19,418 questions
asked 2024-04-22T18:40:22.54+00:00
Dheepssika JL 0 Reputation points Microsoft Employee
edited the question 2024-04-22T21:59:45.96+00:00
Dheepssika JL 0 Reputation points Microsoft Employee
0 answers

CTRL Commands Not Working with Winforms Web Browser

Hello, We have an application with a winforms web browser hosted on a WPF window and this browser is used to load HTML's within our application. These HTML files have fields that allow users to fill out. Letters and numbers work fine when put into the…

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,824 questions
asked 2024-04-22T20:38:22.62+00:00
Lpatz-4663 20 Reputation points
2 answers One of the answers was accepted by the question author.

Unable to load the native components of SQL Server Compact

Hello All, I am trying to create a local database programmatically using C# with Sql server compact edition. I have Visual Studio 2019 and created a project with .NET framework of version 4.8. I have the following code which will create a database. …

.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,352 questions
Visual Studio
Visual Studio
A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.
4,590 questions
SQL Server
SQL Server
A family of Microsoft relational database management and analysis systems for e-commerce, line-of-business, and data warehousing solutions.
12,664 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.
10,217 questions
asked 2024-04-22T19:03:42.12+00:00
Lakshman Balasubramanian 1 Reputation point
accepted 2024-04-22T20:23:05.6666667+00:00
Lakshman Balasubramanian 1 Reputation point
2 answers

Transparent flyout items

I don't know why, but if I change my flyout to "Locked "in Desktop In cannot see anything my pages are there, and I can navigate but I cannot see. FlyoutBehavior="{OnIdiom Desktop=Locked, Phone=Flyout}" …

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
2,851 questions
asked 2024-03-30T19:27:49.6733333+00:00
Eduardo Gomez Romero 205 Reputation points
commented 2024-04-22T20:20:59.74+00:00
Eduardo Gomez Romero 205 Reputation points
2 answers One of the answers was accepted by the question author.

Mac question

I don't understand why in Mac is not possible to open all windows Mac does not support programmatic activation of windows. First of all, I would like to inform you that the user has to touch the screen to active a session on iOS/MacCatalyst. Please…

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
2,851 questions
asked 2024-04-18T03:19:31.0133333+00:00
Eduardo Gomez Romero 205 Reputation points
accepted 2024-04-22T20:17:30.2166667+00:00
Eduardo Gomez Romero 205 Reputation points
4 answers

saving the Identity token in the Aspnetusertokens table

Hi I created an Asp.net core 6 project and I added the Identity framework for authentication and authorization, I would like to add token management and while doing research I realized that Identity also manages the management of tokens because it…

Microsoft Identity Manager
Microsoft Identity Manager
A family of Microsoft products that manage a user's digital identity using identity synchronization, certificate management, and user provisioning.
608 questions
Entity Framework Core
Entity Framework Core
A lightweight, extensible, open-source, and cross-platform version of the Entity Framework data access technology.
696 questions
Microsoft Authenticator
Microsoft Authenticator
A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation.
5,465 questions
ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,148 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.
10,217 questions
asked 2023-11-07T11:19:50.1566667+00:00
Marnelle M'BENGUET 20 Reputation points
edited a comment 2024-04-22T20:13:26.7166667+00:00
Angel Tobon 0 Reputation points
3 answers

How to copy big file 5g with task and within impersonation

Hi, How to copy big file 5G from source to destination using impersonation: WindowsIdentity.RunImpersonated( ImpersonationHelper.Token Thanks,

.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,352 questions
.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
2,851 questions
asked 2024-04-18T08:06:36.18+00:00
דני שטרית 2,706 Reputation points
commented 2024-04-22T18:47:26.3166667+00:00
דני שטרית 2,706 Reputation points
1 answer

Format of the initialization string does not conform to specification starting at index

I am using .net android(not maui) and ef core and sqlite. but there is error Format of the initialization string does not conform to specification starting at index how to use sqlite in .net android?

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
2,851 questions
asked 2024-04-22T10:36:01.19+00:00
mc 3,641 Reputation points
answered 2024-04-22T18:26:48.6666667+00:00
Bruce (SqlWork.com) 55,196 Reputation points
1 answer

.Net-6 docker image from Microsoft Container Registry has vulnerabilities

Hello, I am trying to pull .NET docker images from Microsoft Container Registry and while scanning these images I am seeing below vulnerabilities. Does any body have any suggestion to fix this please? FROM mcr.microsoft.com/dotnet/sdk:6.0-alpine FROM…

Azure Container Registry
Azure Container Registry
An Azure service that provides a registry of Docker and Open Container Initiative images.
382 questions
.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,352 questions
asked 2024-04-17T09:59:50.9633333+00:00
@IamCoder 391 Reputation points
commented 2024-04-22T18:12:07.42+00:00
kobulloc-MSFT 23,336 Reputation points Microsoft Employee
1 answer

there is something wrong with my c# program, and i need assistance.

Here's how my program like, or you can also see it from attached image:partial class Boot { static void Main() { Console.WriteLine("please input the path of your data store."); string ds_path = Console.ReadLine(); try { …

.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,352 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.
10,217 questions
asked 2024-04-22T12:51:02.23+00:00
Weber Chang 0 Reputation points
answered 2024-04-22T17:44:41.2366667+00:00
Bruce (SqlWork.com) 55,196 Reputation points