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
purpose of the services in building asp.net mvc app
builder.Services.AddScoped<IMyScopedService, MyScopedService>();
Developer technologies | ASP.NET | ASP.NET Core
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++

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++
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)
.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
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)
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
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
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
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
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
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#


.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
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
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
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
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
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
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…