54,059 questions with Developer technologies-related tags

Sort by: Updated
4 answers

CORS Policy Blocking POST Request in ASP.NET Core Minimal API with IIS Express (GET Works)

I'm developing an ASP.NET Core Minimal API using Visual Studio 2022 and running it with IIS Express. While GET requests work as expected, POST requests are being blocked due to CORS policy. Access to XMLHttpRequest at 'https://localhost:44302/api/xxx'…

Developer technologies | ASP.NET | ASP.NET API
asked Jul 3, 2025, 2:45 PM
Manoj 0 Reputation points
answered Jul 4, 2025, 5:25 AM
SurferOnWww 4,711 Reputation points
4 answers

If a method declared with the async modifier returns a cached result or completes synchronously,

i could not understand so could i get an exmaple of cached result and syncronous completion of async method. following is the lines from https://learn.microsoft.com/en-us/dotnet/csharp/asynchronous-programming/async-scenarios "If a method…

Developer technologies | ASP.NET | ASP.NET Core
asked Jul 3, 2025, 11:16 AM
rajesh yadav 191 Reputation points
commented Jul 4, 2025, 5:04 AM
rajesh yadav 191 Reputation points
1 answer

How to hide the topbar in Hyper-V client in full screen?

This thing here is in the way

Developer technologies | Universal Windows Platform (UWP)
asked Jul 3, 2025, 9:30 AM
Johannes Kingma 1 Reputation point
answered Jul 4, 2025, 4:02 AM
Harry Vo (WICLOUD CORPORATION) 80 Reputation points Microsoft External Staff
0 answers

In 8 entries, 2 entries text change event not triggered

In a Content View, we have 8 entries, which will change based on one picker. If pickers change the value all the 8 entries value would change, on first time we select the value from the picker all values set correctly, if the values selected previously…

Developer technologies | .NET | .NET MAUI
asked May 8, 2025, 5:23 AM
Jeyamani Sekar 20 Reputation points
commented Jul 4, 2025, 3:35 AM
Tony Dinh (WICLOUD CORPORATION) 155 Reputation points Microsoft External Staff
0 answers

Can’t login to microsoft account on ps5 because of xboxone account from

I can’t login to my microsoft account on my ps5 (minecraft). Because of already having a xbox account? How does this make sense how do I fix this? This is honestly the worst design I have ever seen.

Developer technologies | Windows Forms
asked Jul 4, 2025, 3:11 AM
Binx1031 0 Reputation points
1 answer

ListView events arent always triggered.

Hello, I am not sure if I selected right tag for my topic, but there is not present UWP tag naw. I have problem with ListView. If my ListView has many rows (about 150+), some events are sometime not triggered (but sometime they are triggered as well). If…

Developer technologies | Universal Windows Platform (UWP)
asked Apr 25, 2025, 11:31 AM
BitSmithy 2,206 Reputation points
commented Jul 4, 2025, 3:06 AM
Harry Vo (WICLOUD CORPORATION) 80 Reputation points Microsoft External Staff
0 answers

Help Needed for Connecting POS Printer via USB in UWP App

Hi Team, I have implemented POS printer functionality in my UWP app. When I connect the POS printer using Bluetooth, it works perfectly. However, when I connect the printer via a USB cable, I’m unable to find a way to detect or connect to the printer…

Developer technologies | Universal Windows Platform (UWP)
asked Apr 17, 2025, 10:33 AM
Jay 140 Reputation points
commented Jul 4, 2025, 3:03 AM
Harry Vo (WICLOUD CORPORATION) 80 Reputation points Microsoft External Staff
1 answer

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 | Universal Windows Platform (UWP)
asked Jul 3, 2025, 8:53 AM
Andreas Stavropoulos 0 Reputation points
commented Jul 4, 2025, 2:58 AM
Harry Vo (WICLOUD CORPORATION) 80 Reputation points Microsoft External Staff
1 answer

Visual Studio 2022 Error "Create Git Repository

while creating repository from visual studio 2022 I got error An error occurred while sending the request

Developer technologies | Visual Studio | Other
asked Aug 29, 2023, 5:01 AM
Abdul Ali Qureshi 0 Reputation points
commented Jul 4, 2025, 12:48 AM
Peter Friberg 0 Reputation points
1 answer

How to Debug Remote MAUI App Launch

I have a .NET 9 MAUI app being deployed to a remote Xcode iOS iPhone 16 Plus. All components have the latest release software. The deployment is successful, and the application is launched and the splash screen displayed on the phone. However, the first…

Developer technologies | Visual Studio | Debugging
asked Jul 1, 2025, 10:53 AM
Marc George 191 Reputation points
commented Jul 3, 2025, 11:36 PM
Marc George 191 Reputation points
0 answers

Looking for a reliable POS tagger library for .NET

Developing a .NET application that requires POS (Part-of-Speech) tagging for English text. In Python, libraries like spaCy and NLTK are popular for this purpose. Are there any recommended libraries for POS tagging within the .NET ecosystem? Found…

Developer technologies | .NET | Other
asked Jul 3, 2025, 10:29 PM
亀谷 展(Kameya Hiroshi) 11 Reputation points
0 answers

color connverter

I have a converter public class SelectedAvatarMultiValueConverter : IMultiValueConverter { public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture) { if(values.Length == 2 && …

Developer technologies | .NET | .NET MAUI
asked Jul 1, 2025, 8:56 PM
Eduardo Gomez 3,671 Reputation points
commented Jul 3, 2025, 7:04 PM
Viorel 122.6K Reputation points
1 answer

Has anyone worked with NetCoreServer? Looking for guidance and resources

Hi everyone, I'm exploring alternatives to WinSock for socket programming in .NET 8 Core windows form application and came across the NetCoreServer library. It looks promising for building TCP/UDP/SSL/WebSocket servers and clients with high performance…

Developer technologies | .NET | .NET Runtime
asked Jul 3, 2025, 7:00 AM
Aman Agrahari 60 Reputation points
answered Jul 3, 2025, 6:28 PM
Bruce (SqlWork.com) 77,926 Reputation points Volunteer Moderator
1 answer

Modification to VBA Code - Copying data after drop down list value change and pasting to another sheet

Hi. I have this code which I need some assistance modifying - see below. First modification is the DropDownCell range should include all of column A that contains data not just cell A1. So if you change the value of any cell in column A using the…

Developer technologies | Visual Basic for Applications
asked Jul 2, 2025, 10:04 AM
Alverna 0 Reputation points
commented Jul 3, 2025, 6:19 PM
Barry Schwarz 3,746 Reputation points
0 answers

IIS Express configuration not working

IIS Express 10.0 is installed along with VS 2022. However, asp.net web/api projects are not getting created/ existing web projects not getting loaded. I have uninstalled / reinstalled VS 2022 but IIS Express issue is still showing. I have tried running…

Developer technologies | Visual Studio | Setup
asked Jul 3, 2025, 6:17 PM
Biswas, Dip 0 Reputation points
1 answer

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 Jul 3, 2025, 4:56 PM
Falanga, Rod, DOH 245 Reputation points
answered Jul 3, 2025, 5:56 PM
Bruce (SqlWork.com) 77,926 Reputation points Volunteer Moderator
3 answers

Exporting a template from Visual Studio 2022 fails with "read-only or does not exists" error

I created a web project, added specific nuget packages for said project, config files and a wee bit of customization. Then I choose Project -> Export Template. I select the project I want exported as a template, Change the template name to a name not…

Developer technologies | Visual Studio | Other
asked Jan 16, 2025, 1:45 PM
Þór Sigurðsson 20 Reputation points
commented Jul 3, 2025, 5:28 PM
Jose Parrot 0 Reputation points
0 answers

How to Share Apple Code Signing Key

Trying to switch to developing an iOS app using Hot Restart from using Mac Xcode. Using the same project, when building I am getting the error message "signing key not found in keychain". I am able to build and deploy to the iPhone using the…

Developer technologies | .NET | .NET MAUI
asked Jul 1, 2025, 11:10 AM
Marc George 191 Reputation points
commented Jul 3, 2025, 4:51 PM
Marc George 191 Reputation points
0 answers

How do I migrate some older .NET Framework apps to GitHub?

18 months ago, we migrated hundreds of TFS/TFVC repos from an old, on-premises TFS server, to our GitHub Enterprise organization. There are, however, two TFVC repos still in that old TFS server because they are written using .NET Framework 4.5.2 and TFS…

Developer technologies | Visual Studio | Other
asked Jul 3, 2025, 4:10 PM
Falanga, Rod, DOH 245 Reputation points
commented Jul 3, 2025, 4:13 PM
Falanga, Rod, DOH 245 Reputation points
0 answers

When using OpenXML do I need to create a new abstract numbering for each numbered list if i want it to restart

Using c# openxml, when i create multiple numbering instance referring to the same abstract num (ordered list), each list continues its numbering upwards throughout the document. If i want numbering to restart do i need to create a new abstract or is…

Developer technologies | C#
asked Jul 3, 2025, 4:08 PM
Jake Good 0 Reputation points