42,989 questions with Developer technologies-related tags

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Best practices for building a Tinder-style swipe experience in React Native (for a student-to-company matchmaking app

Hi everyone, I'm currently developing an app called StageMatch as part of a school project. It's a platform that helps students find internships by swiping through company profiles (similar to Tinder), and when there's a match, they can chat directly…

Developer technologies Visual Studio Other
asked Jun 28, 2025, 1:42 PM
Sander den Butter 0 Reputation points
accepted Jun 28, 2025, 3:14 PM
Sander den Butter 0 Reputation points
4 answers

Singleton Class with Async

I'm working on building a Blazor Web App (.net 9) for an internal company portal. I want to load some persistent data to be used throughout the app into a class and then load that class as a scoped service. Most of the data will be fairly static, but…

Developer technologies ASP.NET ASP.NET API
asked May 15, 2025, 12:19 PM
GarudaLead-8570 46 Reputation points
answered Jun 28, 2025, 2:43 PM
frankreebig 0 Reputation points
1 answer

How can I create an edmx using Visual Studio 2022 so I can get rid of Visual Studio Express 2010?

I use VS 2020, but I have kept Visual Studio 2010 for 10 years because the edmx (Entity Framework) for a very old app was built using that old VS. I would really like very precise instructions explaining how I can get rid of VS 2010 but still build the…

Developer technologies Visual Studio Setup
asked Jun 25, 2025, 9:31 PM
Ken Smith 190 Reputation points
answered Jun 28, 2025, 2:37 PM
Ken Smith 190 Reputation points
5 answers

how or where a sync function in a web API controller can help me?

hi, I just made one web API with core 9 with entity framework and all actions, i found that all the methods are made with a sync. q1) so my question is where or how it can help me , because in my case i call my controllers action methods from java…

Developer technologies ASP.NET ASP.NET API
asked Jun 24, 2025, 1:12 PM
rajesh yadav 171 Reputation points
edited an answer Jun 28, 2025, 10:42 AM
AgaveJoe 30,126 Reputation points
1 answer One of the answers was accepted by the question author.

Which certificate authority is used to verify vs_installer.opc during Visual Studio 2022 Build Tools installation?

Hello Team, I’m trying to install Visual Studio 2022 Build Tools on a Windows build server. During the installation, the bootstrapper logs show an error related to vs_installer.opc. I’d like to know: Which certificate (or certificate authority) is used…

Developer technologies Visual Studio Setup
asked Jun 28, 2025, 5:48 AM
Ayoshna Saha 115 Reputation points
accepted Jun 28, 2025, 7:07 AM
Ayoshna Saha 115 Reputation points
1 answer One of the answers was accepted by the question author.

How to set status of control from OnLaunched in C++/WinRT app?

In Visual Studio I compiled the blank C++/WinRT UWP app which displays a button that says "Click me" and "Clicked" after it is clicked. As an experiment to learn how to initialize a control according to user settings, I copied the…

Developer technologies Universal Windows Platform (UWP)
asked Jun 27, 2025, 9:53 PM
Steven Brown 26 Reputation points
commented Jun 28, 2025, 5:43 AM
Steven Brown 26 Reputation points
1 answer

It marks lines in red, but it compiles.

In Visual Studio 2022 with the latest update and C#, I use two DLLs. In the first DLL, I removed an enumeration and created another one, which I compiled. In the second DLL, it also compiles, but the lines where I reference the new enumeration are…

Developer technologies C#
asked Jun 25, 2025, 3:34 AM
Central data 156 Reputation points
answered Jun 27, 2025, 10:19 PM
Bruce (SqlWork.com) 77,686 Reputation points Volunteer Moderator
1 answer

[Visual Studio 2022] Adding a Project Reference fails

Greetings All, I have a problem with Visual Studio 2022. Firstly, I should tell you that my VS2022 environment is as follows: Microsoft Visual Studio Community 2022 Version 17.14.3 VisualStudio.17.Release/17.14.3+36127.28 Microsoft .NET Framework …

Developer technologies Visual Studio Setup
asked May 31, 2025, 1:56 PM
RobDev 411 Reputation points
commented Jun 27, 2025, 9:02 PM
Erland Sommarskog 121.4K Reputation points MVP Volunteer Moderator
1 answer

Blazor Server APP

I’m building a Blazor Server application, which uses WebSockets for real-time communication (via SignalR). By default, Blazor uses MessagePack as the serialization protocol, which results in a binary transfer format. For debugging and interoperability…

Developer technologies .NET Blazor
asked Jun 26, 2025, 9:08 PM
Selvaraj, Deepak 0 Reputation points
edited an answer Jun 27, 2025, 4:26 PM
Bruce (SqlWork.com) 77,686 Reputation points Volunteer Moderator
2 answers

MailKit.Security.AuthenticationException: '535: 5.7.139 Authentication unsuccessful, the user credentials were incorrect.

I am getting this error "MailKit.Security.AuthenticationException: '535: 5.7.139 Authentication unsuccessful, the user credentials were incorrect." for my mail integration in my ASP.Net Core API Application. I am using a Microsoft account to…

Developer technologies ASP.NET ASP.NET API
asked May 8, 2025, 8:39 AM
Ajay Mahajan 0 Reputation points
commented Jun 27, 2025, 10:53 AM
Danny Nguyen (WICLOUD CORPORATION) 165 Reputation points Microsoft External Staff
1 answer

Issues on PostImportWithFileAsyncInGroup while using service principal id and secret as authentication

We have recently updated our code in ASP.Net Core 8 and are creating bearer token using service principle and secret. But now we are facing issues when we try to add or update dataflows and reports in the workspace using this predefined function -…

Developer technologies ASP.NET ASP.NET Core
asked Feb 10, 2025, 2:03 PM
Kumar Kundu, Sudipta 0 Reputation points
commented Jun 27, 2025, 10:49 AM
Danny Nguyen (WICLOUD CORPORATION) 165 Reputation points Microsoft External Staff
1 answer

Azure web app call wcf 404

Why is it that after deploying an asp .net web app to azure web app, https://hk-np-focz-aps-ipe-dev-grg5a4dndackdrge.eastasia-01.azurewebsites.net/PriceTag.svc?wsdl can be accessed, but the call interface returns HTTP/1.1 404 Not Found. The local call to…

Developer technologies ASP.NET ASP.NET API
asked Jun 19, 2025, 10:05 AM
Jeremy Liu 0 Reputation points
commented Jun 27, 2025, 10:20 AM
Danny Nguyen (WICLOUD CORPORATION) 165 Reputation points Microsoft External Staff
2 answers

How to To Change Auto Navigation in a Modal?

I have a modal that previews my image products (originally i have a productgridcontainer that automatically circles through these image products for my customers to see the avilable products which i want it to be that way but i want the modal to be…

Developer technologies ASP.NET ASP.NET Core
asked Mar 30, 2025, 1:15 AM
KwebenaAcquah-9104 326 Reputation points
edited an answer Jun 27, 2025, 9:48 AM
Danny Nguyen (WICLOUD CORPORATION) 165 Reputation points Microsoft External Staff
2 answers

javascript how to print pdf file through windows.print

inside a aspx file javascript how to print pdf file through windows.print

Developer technologies ASP.NET ASP.NET API
asked May 29, 2025, 4:00 PM
Gabriele Rossi 0 Reputation points
edited an answer Jun 27, 2025, 9:22 AM
Raymond Huynh (WICLOUD CORPORATION) 0 Reputation points Microsoft External Staff
1 answer

How to connect GATT profile for classic bluetooth device?

I have bluetooth device that uses gatt profile, but it doesn't support ble connection i can succesfully connect to gatt profile on classic only device with android/ios/linux client. How can i use gatt services in classic bluetooth device on windows pc?

Developer technologies Universal Windows Platform (UWP)
asked Jun 1, 2025, 9:50 PM
Dmitriy Sidin 0 Reputation points
answered Jun 27, 2025, 9:10 AM
Harry Vo (WICLOUD CORPORATION) 0 Reputation points Microsoft External Staff
1 answer

.NET Core Profiler Crashing on 32 bit Application Environment

Hi Team. I have developed my own .NET core profiler using VS 2019. To load my profiler, I have set the environment entry in the web.config file. <environmentVariable name="CORECLR_ENABLE_PROFILING" value="1" /> …

Windows development Internet Information Services
Developer technologies .NET .NET Runtime
asked Mar 24, 2022, 1:18 PM
Duraikannu Jeyamani 6 Reputation points
commented Jun 27, 2025, 8:44 AM
Tom Tran (WICLOUD CORPORATION) 10 Reputation points Microsoft External Staff
1 answer

Why is step into function is working but play has error in VBA?

I have a macro that converts PDF file into excel. For the first file, it works properly not until I encountered this error on the succeeding files: When I tried to check step into, the macro runs smoothly and converts all the PDF files to excel. While…

Developer technologies Visual Basic for Applications
asked Jun 24, 2025, 8:52 AM
Eliza O. Riva 0 Reputation points
commented Jun 27, 2025, 8:43 AM
Hin-V 740 Reputation points Microsoft External Staff Moderator
1 answer

SAML Access Denied from Azure AD - Localhost Sustainsys Setup

I am trying to set up an SAML based authentication using ASP.Net framework 4.8. But after login i am returning back to my localhost site and getting error like https://localhost:44353/Saml2/Acs?error=access_denied . I have assigned users and all the…

Developer technologies ASP.NET ASP.NET API
asked Jun 25, 2025, 12:23 PM
Verool Kuniyil Shibin 5 Reputation points
commented Jun 27, 2025, 5:17 AM
Danny Nguyen (WICLOUD CORPORATION) 165 Reputation points Microsoft External Staff
2 answers

Format SQL Query Result into web menu

I am trying to build a drill-down menu for my website, where the user will click on a category and it will show the subcategories of that clicked category, there could be n-levels. I am able to write an SQL query which returns the output exactly as I…

Developer technologies C#
asked May 30, 2021, 10:23 PM
Hicham EL MORSLI 1 Reputation point
answered Jun 26, 2025, 11:57 PM
KK520 0 Reputation points
2 answers One of the answers was accepted by the question author.

Edmx codegenerator for legacy project

I have been assigned a task required to use VS 2012 edmx generator. Therefore, I have to get a license for VS 2012 although we bought and use VS 2022.   I am looking for a way that I do not have to install VS 2012. But the code won’t generate like VS…

Developer technologies .NET Other
Developer technologies Visual Studio Other
asked Feb 1, 2023, 9:25 PM
EunMin Lee 20 Reputation points
commented Jun 26, 2025, 8:21 PM
Ken Smith 190 Reputation points