How to insert two or more different values under one column name based on parent PK?
Greetings experts, We are designing internal ballot system that will be used to elect members into various positions based on election types.
Developer technologies | VB
Maui project not build after added this plugin "Plugin.Firebase.Analytics"
Maui project not build after added this plugin "Plugin.Firebase.Analytics" Create New Project -> Update All Packages -> Add "Plugin.Firebase.Analytics" NuGet package -> After clean Project -> Rebuild the project and it'…
Developer technologies | .NET | .NET MAUI
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)
UWP - https certification valiation issue
I am trying to call an https api on a payment device, it returns a certificate signed by intermediate CA and that signed by root CA. I have installed root CA in trusted store of windows, added capability in WPF manifest. It returns error - Partial chain…
Developer technologies | Universal Windows Platform (UWP)
what is the best option in configuration manager (x86, x64 or ARM) for build an UWP app that runs in Microsoft SQ3 processor?
Hello I'm working with UWP app that have to run in a tablet based on Windows 11 and it is using an SQ3 processor. I'm running this line for hide a button in the UI: Mybutton.Visibility = visibillity.Collapsed; Testing in PC windows 10, the code line…
Developer technologies | Universal Windows Platform (UWP)
GetFolderAsync applied to the FutureAccessList delivers error message 2148734499
StorageItemAccessList _lAccess = StorageApplicationPermissions.FutureAccessList; ApplicationDataContainer _localSettings = ApplicationData.Current.LocalSettings; StorageFolder _Public; // _Public captured by the…
Developer technologies | Universal Windows Platform (UWP)
DEBUG Mode doesn't work in D3D11CreateDeviceAndSwapChain
i use (windows-rs)[https://github.com/microsoft/windows-rs] to develop an app using DirectAPI, but i found that it can not get debug information, eventhough i enable D3D11_CREATE_DEVICE_DEBUG in when using D3D11CreateDeviceAndSwapChain, I don't see the…
Developer technologies | Windows Presentation Foundation
How do I recover from .net maui error NU1105 ... The property PackageVersion was expected to have a single value across all target frameworks, but instead...
This happened after I upgraded Microsoft.Maui.Controls from 9.0.70 to 9.0.81 using the NuGet Package Manager. Full error message: NU1105 Unable to read project information for '<MyProject>': The property PackageVersion was expected to have a single…
Developer technologies | .NET | .NET MAUI
Default certificate could not be created -- ClickOnce is NOT Checked
This question has been asked before in StackOverflow and other places yet there has not been a successful resolution to the issue posted that I can find, nor one that Copilot can locate. People have asked, been told to do the usual things, replied that…
Developer technologies | Visual Studio | Other
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


how to use this in .net android?
create a view and draw it in onDraw or give background to imageView?
Developer technologies | .NET | .NET MAUI
how to name a method starting async but not returning awaitable type
this is a line from msdn which i could not understand as there was no examle pls give one example https://learn.microsoft.com/en-us/dotnet/csharp/asynchronous-programming/task-asynchronous-programming-model#BKMK_ReturnTypesandParameters Methods that…
Developer technologies | ASP.NET | ASP.NET Core

Package Source v2 feed error
I have try to download a package on package manager with https://nuget.org as the source but it output a error as feed back. How can I fix that error? Severity Code Description Project File Line Suppression State Error [Package source] The V2 feed…
Developer technologies | .NET | Other
How to fix my high jump app I’m missing all kinds of doors and I can’t add trip numbers to doors I don’t have access too
I don’t have access to my doors is transfers I’m missing 322 323 502 503 505 506 and 507
Developer technologies | Visual Basic for Applications
Visual Studio Subscription shows that's disabled and I do not have admin privileges in my own subscription. I am also not able to renew the subscription even the
Visual Studio Subscription shows that's disabled and I do not have admin privileges in my own subscription. I am also not able to renew the subscription even though I have the 50$ monthly credit . I cannot see any billing data and my admin privileges…
Developer technologies | Visual Studio | Other
On macOS: How to install .pkg created with dotnet publish ?
dotnet --version 9.0.301 My MAUI app. is upgraded to .NET 9. I just created a .pkg with the command: dotnet publish ChronoWiz/ChronoWiz.csproj -f net9.0-maccatalyst -c Release -p:MtouchLink=SdkOnly -p:CreatePackage=true -p:UseHardenedRuntime=true -o…
Developer technologies | .NET | .NET MAUI
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#
Has anyone successfully targeted Android API Level 35 in a .NET MAUI app?
I recently got a critical warning from Google Play Console: "2 of your apps are targeting an old version of Android. Google Play requires all apps to meet target API level requirements before August 31, 2025." I'm currently targeting:…
Developer technologies | .NET | .NET MAUI
Power off Xbox Series controller with C# via Bluetooth
I am writing a small C# winforms tray app targeting 4.7.2 that will allow me to power down the controller on game exit. I've been trying to do this for some time now but still can't manage to achieve the controller disconnection. Is there a way to…
Developer technologies | C#
Question For Printing in avalonia ui for multiple size directly and Sintly
Hello Developer. i want to ask how i can print invoice or pdf ... from my avalonia ui app (some as WPF) directly withtout any dialog show from code sintly. i see multiple option some as questpdf but it not have any api for printing it be generate a pdf