43,122 questions with Developer technologies-related tags

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2 answers

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

Developer technologies | ASP.NET | ASP.NET Core
asked 2025-01-02T16:50:11.8466667+00:00
William Johnston 106 Reputation points
answered 2025-07-11T06:49:49.53+00:00
Jack Dang (WICLOUD CORPORATION) 535 Reputation points Microsoft External Staff
2 answers

purpose of the services in building asp.net mvc app

builder.Services.AddScoped<IMyScopedService, MyScopedService>();

Developer technologies | ASP.NET | ASP.NET Core
asked 2025-01-24T05:57:51.0733333+00:00
Aayush Sharma 0 Reputation points
answered 2025-07-11T06:49:41.8933333+00:00
Jack Dang (WICLOUD CORPORATION) 535 Reputation points Microsoft External Staff
1 answer

E_ACCESSDENIED error when IStream::Seek on Stream created using CreateStreamOnHGlobal on Windows 11 24H2 client

Hello all, After days of debugging, I found I am getting E_ACCESSDENIED error on the server side (Windows Server 2022) when I try to seek to the beginning of a stream: `ULARGE_INTEGER lPos;` LARGE_INTEGER lZero; lZero.QuadPart = 0; auto hrTemp =…

Developer technologies | C++
asked 2025-07-02T05:35:11.58+00:00
Robert Bui 0 Reputation points
commented 2025-07-11T04:12:05.0866667+00:00
Varsha Dundigalla(INFOSYS LIMITED) 235 Reputation points Microsoft External Staff
1 answer

getting blocker call for listen() in winRT component using httplib.h

Hi, I am using WinRT componet project. I have included httplib.h file I am creating object for server and calling the Get() I am calling listen() method but Its like a bloker call in winRT app. I have also tyied with thread but no luch. Kindly provide…

Developer technologies | C++
asked 2025-06-18T15:51:24.8566667+00:00
Arvind Kumar 20 Reputation points
commented 2025-07-11T03:40:43.41+00:00
Varsha Dundigalla(INFOSYS LIMITED) 235 Reputation points Microsoft External Staff
1 answer

Support Needed: Error 0x800B0100 - App Package Must Be Digitally Signed

Hi all, I'm currently facing an issue while creating a UWP package in Unity, and I keep encountering the error 0x800B0100. The error message states, "The app package must be digitally signed for signature validation." Here are the details of…

Developer technologies | Universal Windows Platform (UWP)
asked 2025-03-28T12:23:39.7+00:00
Nallamuthu Sundhararajan 25 Reputation points
answered 2025-07-11T03:22:40.9466667+00:00
Harry Vo (WICLOUD CORPORATION) 320 Reputation points Microsoft External Staff
1 answer

.NET MAUI - .NET9 - ERROR: XAPRAS7004 / NU1101 Unable to find package Microsoft.NETCore.App.Runtime.linux-bionic-x86.

Hello, I've been trying for a few months to solve a problem with .NET MAUI on .NET 9, I've tried to look everywhere, mainly on GITHUB but when I try the solutions that other devs have found, I have the feeling that it doesn't work on my side since I…

Developer technologies | .NET | .NET MAUI
asked 2025-05-12T18:13:57.99+00:00
Lenn's 0 Reputation points
commented 2025-07-11T02:40:35.4433333+00:00
Michael Le (WICLOUD CORPORATION) 545 Reputation points Microsoft External Staff
3 answers One of the answers was accepted by the question author.

How do I convert a UWP application to use Azure Maps?

I maintain a large UWP application that uses MapControl (from Windows.UI.Xaml.Controls.Maps). I didn't know that Bing map tokens were being retired until I started seeing a "MapServiceToken not specified" warning in my map views a few days…

Developer technologies | Universal Windows Platform (UWP)
asked 2025-07-09T20:59:00.2433333+00:00
Frank LaRosa 21 Reputation points
commented 2025-07-11T02:40:19.9233333+00:00
Harry Vo (WICLOUD CORPORATION) 320 Reputation points Microsoft External Staff
2 answers

How do I control which database to use when a Blazor Server app starts?

I'm working on a rewrite of an old WebForms application. I want to be able to control, through a GitHub Action running in a self-hosted runner, which database (test or production) the application should run against. I thought I could do this with the…

Developer technologies | ASP.NET | ASP.NET Core
asked 2025-07-03T16:56:57.9066667+00:00
Falanga, Rod, DOH 250 Reputation points
commented 2025-07-11T02:39:21.41+00:00
Raymond Huynh (WICLOUD CORPORATION) 315 Reputation points Microsoft External Staff
1 answer

Empty Carousel view

I'm developing a MAUI application and encountering an issue with the CarouselView control. The indicators in the CarouselView appear correctly according to the number of items in my ObservableCollection<string> which contains the filenames of my…

Developer technologies | .NET | .NET MAUI
asked 2025-05-02T07:00:06.2666667+00:00
Rendy Putrayana 0 Reputation points
commented 2025-07-11T02:39:13.9233333+00:00
Michael Le (WICLOUD CORPORATION) 545 Reputation points Microsoft External Staff
2 answers

Will the list of tasks being cleared after await Tasks.WhenAll(tasks)?

Hi, Will the list of tasks being cleared after await Tasks.WhenAll(tasks)? int i=0; List<Task> tasks = new List<Task>(); do { tasks.Add(Do_Test1(i)); tasks tasks tasks tasks await Task.WhenAll(tasks); //…

Developer technologies | ASP.NET | ASP.NET Core
asked 2025-02-18T07:49:10.6166667+00:00
Dondon510 261 Reputation points
commented 2025-07-11T02:30:16.0066667+00:00
Jack Dang (WICLOUD CORPORATION) 535 Reputation points Microsoft External Staff
1 answer One of the answers was accepted by the question author.

how to start a foreground service in .net android?

I am using .net android and I am using media projection to capture screen I find that it is very slow when I minimize my APP so I want to ask that how to create a foreground service so I can run it not slow. .

Developer technologies | .NET | .NET MAUI
asked 2025-07-08T13:00:31.9633333+00:00
mc 5,571 Reputation points
commented 2025-07-11T01:14:43.9566667+00:00
mc 5,571 Reputation points
2 answers

How to fix microsoft .NET Framework error

See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box. ************** Exception Text ************** System.NullReferenceException: Object reference not set to an instance of an object. at…

Developer technologies | Visual Studio | Debugging
asked 2023-02-20T22:45:34.9566667+00:00
monster gamer47 0 Reputation points
answered 2025-07-10T20:49:15.71+00:00
branlla alderete 0 Reputation points
1 answer One of the answers was accepted by the question author.

String compare using Regex

I have a list of strings and I want to filter below combinations using Regex 1) It should give me all the strings ending with ABC 2) It should give me all the strings starting with ABC 3) It should give me all the strings containing ABC

Developer technologies | C#
asked 2021-02-12T19:36:06.137+00:00
Shweta Lodha 46 Reputation points
accepted 2025-07-10T20:45:39.63+00:00
Shweta Lodha 46 Reputation points
3 answers One of the answers was accepted by the question author.

.net Maui, viewModel alternative to OnAppearing

I notice that in .net MAUI OnAppearing doesn;t work. I need to find a way to open up a "DisplayAlert" as soon as the app appears and it must be triggered from the ViewModel. Thank you in advanced.

Developer technologies | .NET | .NET MAUI
asked 2023-03-03T19:42:54.74+00:00
Heinz Deubler 181 Reputation points
answered 2025-07-10T17:53:45.8966667+00:00
Burak Ozlik 0 Reputation points
1 answer

How to duplicate a document on Visual Studio 2022?

I'm working on a Visual Studio 2022 C# extension, and I'm trying to "programmatically" duplicate an open document and move it into a different group. By "duplicate" I mean like when you click on the option "Window > New…

Developer technologies | Visual Studio | Extensions
asked 2025-07-10T06:53:23.4333333+00:00
Lilo 20 Reputation points
answered 2025-07-10T15:40:36.7066667+00:00
Mammon Z Baloch 0 Reputation points
3 answers

APT2144 invalid file path

VS 2022 Preview... Trying to build and run "Notes" tutorial getting 2 APT2144 invalid file path error in file Xamarin.Android.Aapt2.targets. Error message gives a file path, which I can find using File Explorer. Help on error message says it…

Developer technologies | .NET | .NET MAUI
asked 2023-01-28T21:39:20.0033333+00:00
Scott Phillips 0 Reputation points
answered 2025-07-10T15:01:32.3433333+00:00
was 0 Reputation points
2 answers One of the answers was accepted by the question author.

After updating my Asp.Net Core MVC application from .NET 6 to 8, I have to include Encrypt=false in the SQL connection string

EncryptError.pngWhile running my Asp.Net Core MVC application on .NET 6, the SQL server connection string didn't have any value regarding the "Encrypt". After updating to .NET 8, I have to include Encrypt=false in the connection string saved in…

Developer technologies | ASP.NET | ASP.NET Core
asked 2025-07-09T17:53:46.2766667+00:00
Sherpa 346 Reputation points
accepted 2025-07-10T13:49:50.4133333+00:00
Sherpa 346 Reputation points
1 answer One of the answers was accepted by the question author.

Hello, After updating to the latest version of Visual Studio, I am encountering an error and am unable to connect Windows to my Mac device. MSBuild was unable to connect to the Mac with Address=‘xx.xxx.xx.xxx’ and User=‘MacDeviceBh’. This connection is

Hello, After updating to the latest version of Visual Studio, I am encountering an error and am unable to connect Windows to my Mac device. MSBuild was unable to connect to the Mac with Address=‘xx.xxx.xx.xxx’ and User=‘MacDeviceBh’. This connection is…

Developer technologies | .NET | .NET MAUI
asked 2025-07-09T14:28:14.14+00:00
Bhuwan 976 Reputation points
accepted 2025-07-10T11:27:49.5833333+00:00
Bhuwan 976 Reputation points
1 answer

composite key http

@Html.ActionLink("Edit", "Edit", new { item.monthr,item.tennant }) getting an error . monthr and tennant are the keys.

Developer technologies | ASP.NET | ASP.NET Core
asked 2025-07-02T07:19:41.8266667+00:00
asgar ali 0 Reputation points
commented 2025-07-10T10:54:55.8533333+00:00
Raymond Huynh (WICLOUD CORPORATION) 315 Reputation points Microsoft External Staff
2 answers

Publishing a .NET MAUI app fails with error message "You must include a valid app package manifest file named AppxManifest.xml in the source."

I'm trying to publish a .NET MAUI app. The source code contains a "Package.appxmanifest" file. When I try to publish, it fails with the following error messages: You must include a valid app package manifest file named AppxManifest.xml in…

Developer technologies | .NET | .NET MAUI
asked 2025-07-03T08:53:59.06+00:00
Andreas Stavropoulos 5 Reputation points
commented 2025-07-10T09:53:46.2966667+00:00
Tony Dinh (WICLOUD CORPORATION) 390 Reputation points Microsoft External Staff