Developer technologies

7 answers

How do you use RAG in the REST API with GPT-5?

I have added an Azure Search Service index with the options for semantic configuration and a Vector Profile. When I execute the following REST request. The following error is raised. Does anyone have some insight into this result? [Error Message] An…

asked Sep 28, 2025, 3:55 PM

Ronald Wyman 76

answered Oct 15, 2025, 12:23 PM

Ronald Wyman 76

4 answers

KB5066835 update causing IIS Service to not work

Recently my local hosted IIS services is not running after the new update. My visual studio projects also can't be run as well. I have to delete the new update in order to run my projects and local hosted services again. May I know what is the problem?

asked Oct 15, 2025, 10:06 AM

Sashi Kumar 0

answered Oct 15, 2025, 12:21 PM

Henrik Sellehed 0

1 answer

Which Microsoft Learn paths helped you prepare for Azure certification — and why?

Hi everyone! I’m currently preparing for a Microsoft Azure certification and exploring the various learning paths and modules on Microsoft Learn. There are so many great resources available — from hands-on labs to guided exercises — that it can be…

asked Oct 15, 2025, 11:16 AM

Tarun Nagar 0

answered Oct 15, 2025, 11:53 AM

Marcin Policht 62,020 MVP Volunteer Moderator

3 answers

Validate eol of each line of the text file

Hi, I used the way below to validate the eol of each line. How to ensure that I have the validation (by it) against each line of the text file?

asked Oct 8, 2025, 9:45 AM

Peter_1985 2,806

commented Oct 15, 2025, 11:46 AM

Gade Harika (INFOSYS LIMITED) 1,110 Microsoft External Staff

1 answer

How to configure CMake toolchain and CMakePresets.json file for developing Arduino projects in Visual Studio 2022 IDE

Hello! I'am trying to configure my Arduino project in Visual Studio 2022 IDE. Subject: IntelliSense shows incorrect data model for AVR (2-byte int and pointer). Environment Visual Studio 2022 (version 17.14.16) CMake with custom AVR toolchain Arduino…

asked Oct 11, 2025, 6:57 PM

Konstantin Bryukhanov 0

commented Oct 15, 2025, 11:40 AM

Gade Harika (INFOSYS LIMITED) 1,110 Microsoft External Staff

1 answer

How to migrate an sfproj (Service Fabric Project) to .netcore project (.csproj)? Can you provide some guidance for the migration path?

asked Sep 19, 2025, 7:15 PM

Jose Nelson Falavinha Junior 0 Microsoft Employee

commented Oct 15, 2025, 11:38 AM

Sina Salam 25,376 Volunteer Moderator

1 answer

How to fix “Object reference not set to an instance of an object” in C#?

I'm working on a C# application using .NET 8, and I'm getting the following runtime error: System.NullReferenceException: Object reference not set to an instance of an object The error occurs when I try to access a property of an object that should have…

asked Oct 15, 2025, 9:04 AM

toadf nhyt 0

answered Oct 15, 2025, 11:29 AM

Gade Harika (INFOSYS LIMITED) 1,110 Microsoft External Staff

0 answers

It looks like the webpage at https://localhost:44392/ might be having issues, or it may have moved permanently to a new web address.

after updating visual studio community 2022 and ssms 18 to 21 getting below issue when i run solution also i have reinstalled the iis express still facing this issue.anyone know whats wrong here ?

asked Oct 15, 2025, 11:27 AM

Sagar Belote 0

2 answers

MAUI: Blank space on header and footer of a flyoutpage

My app's home page is a FlyoutPage and below is its xaml. <FlyoutPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" …

asked Sep 27, 2025, 11:51 AM

Sreenivasan, Sreejith 40

edited an answer Oct 15, 2025, 10:50 AM

Michael Le (WICLOUD CORPORATION) 2,990 Microsoft External Staff

2 answers

Build and run Maui app from dotnet cli on mac

I have dotnet 10 installed on my mac. Running dotnet --version yields this: 10.0.100-rc.1.25451.107 I have also installed the sdk, but when I run dotnet build -t:Run -f net10.0-ios I get this error: MyMauiApp net10.0-ios failed with 1 error(s) (0.2s) …

asked Sep 29, 2025, 6:42 PM

Brad Rice 20

commented Oct 15, 2025, 10:23 AM

Michael Le (WICLOUD CORPORATION) 2,990 Microsoft External Staff

2 answers

Problem claiming MSDN product keys via VS Pro subscription

I'm getting the below error when trying to claim any product keys from my.visualstudio.com: We are sorry, but our system has detected a problem with your account. If you are still getting this error message after 24 hours, please contact support with…

asked Sep 26, 2024, 3:45 PM

Neil McDonald 35

edited the question Oct 15, 2025, 10:22 AM

Gérard Oomens 110.5K Volunteer Moderator

1 answer

Call C++ function from C# desktop app

Hello! I have a C++ DLL which functions I need to call in a C# desktop WinForm application. Is there a guide on how to do this? For void Test1() void Test2(int x, double y) CString Test3() CString Test4(double x, double y) double…

asked Oct 14, 2025, 2:26 PM

Noah Aas 1,090

edited a comment Oct 15, 2025, 10:12 AM

Viorel 124.8K

8 answers

Unable to cast COM object of type 'Microsoft.Office.Interop.Excel.ApplicationClass'

Hi I've this C# application which opens excel file and updated another excel file. The application developed in Visual studio 2005 and Office 2016. I've recently uninstalled Office 2016 and installed Office 365. Since then " Unable to cast…

asked Feb 4, 2021, 7:21 AM

Venkata Ramana Nori 36

commented Oct 15, 2025, 10:00 AM

Zakaria Mostafa 0

1 answer

MAUI: Issue with loading pdf and image files in webview handler

I am migrating a Xamarin Forms project to MAUI. I have a custom webview for showing the pdf and image files in Xamarin Forms and I migrated it to a handler in MAUI. But the pdf and images are not visible on the UI in MAUI. When opening the pdf, the page…

asked Oct 8, 2025, 6:38 AM

Sreenivasan, Sreejith 40

edited an answer Oct 15, 2025, 9:55 AM

Michael Le (WICLOUD CORPORATION) 2,990 Microsoft External Staff

1 answer

How to resolve infinite loop issue in Azure AD authentication in Asp.Net MVC application

We have an Asp.Net MVC application running on v4.6.1. We are implementing SSO authentication using Azure AD. We are using Microsoft.Owin.Security.OpenIdConnect library for cookie based authentication. Below is our auth configuration - public void…

asked Sep 24, 2025, 10:31 AM

Arpit Tandon 0

edited a comment Oct 15, 2025, 9:48 AM

Raymond Huynh (WICLOUD CORPORATION) 2,005 Microsoft External Staff

1 answer

.net6 uninstallation has created issue while .net 8 was already present. Application started breaking and was giving 500 error

.net6 uninstallation has created issue while .net 8 was already present in windows server. Application started breaking and was giving 500 error. We need to upgrade our application build on .net6 to .net8. Now in our lower environment we followed below…

asked Oct 9, 2025, 4:28 PM

Raccoon 0

commented Oct 15, 2025, 9:36 AM

Jack Dang (WICLOUD CORPORATION) 2,365 Microsoft External Staff

1 answer

How can I automatically convert Visual Studio .coverage files to XML or Cobertura format for use in CI pipelines?

Hi, I’m working on C++ projects with Visual Studio Enterprise and I can generate .coverage files for code coverage. However, I need to automatically convert these .coverage files to XML (preferably Cobertura) or HTML formats in my CI/CD pipeline, so that…

asked Sep 22, 2025, 12:06 PM

Fatma-3378 0

edited a comment Oct 15, 2025, 9:14 AM

Adiba Khan 810 Microsoft External Staff

2 answers

Problem with string encoding from Web when showed in VB 2015 or VB 2022 Application.

Hi, Simple question : I use Reverse Geocoding to get info from a GPS Point. I get a Response string ( XML or JSON ) which is always correct in every browser I use. When I use VB Application to build Request String I get some strange Chars in…

asked Oct 10, 2025, 9:34 AM

Marco Gregori 41

accepted Oct 15, 2025, 8:44 AM

Marco Gregori 41

4 answers

i need a .msi file for .Net Runtime 8.0.18

i am deploying multiple laptops to our organization and on random times the laptops requires the installation of .Net Runtime 8.0.18. i would like to create a GPO to install this on multiple computers without the need of an admin password. for that, i…

asked Jul 16, 2025, 3:42 PM

Shay 0

answered Oct 15, 2025, 7:42 AM

Bruchhardt, A 0

3 answers

What am I doing wrong?? it loads info into the list. only allows one png file for you to see the load

Listinfo.png

asked Oct 9, 2025, 12:57 PM

Natale J Montalto 0

edited an answer Oct 15, 2025, 6:59 AM

Starry Night 440

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54,578 questions with Developer technologies-related tags

How do you use RAG in the REST API with GPT-5?

KB5066835 update causing IIS Service to not work

Which Microsoft Learn paths helped you prepare for Azure certification — and why?

Validate eol of each line of the text file

How to configure CMake toolchain and CMakePresets.json file for developing Arduino projects in Visual Studio 2022 IDE

How to migrate an sfproj (Service Fabric Project) to .netcore project (.csproj)? Can you provide some guidance for the migration path?

How to fix “Object reference not set to an instance of an object” in C#?

It looks like the webpage at https://localhost:44392/ might be having issues, or it may have moved permanently to a new web address.

MAUI: Blank space on header and footer of a flyoutpage

Build and run Maui app from dotnet cli on mac

Problem claiming MSDN product keys via VS Pro subscription

Call C++ function from C# desktop app

Unable to cast COM object of type 'Microsoft.Office.Interop.Excel.ApplicationClass'

MAUI: Issue with loading pdf and image files in webview handler

How to resolve infinite loop issue in Azure AD authentication in Asp.Net MVC application

.net6 uninstallation has created issue while .net 8 was already present. Application started breaking and was giving 500 error

How can I automatically convert Visual Studio .coverage files to XML or Cobertura format for use in CI pipelines?

Problem with string encoding from Web when showed in VB 2015 or VB 2022 Application.

i need a .msi file for .Net Runtime 8.0.18

What am I doing wrong?? it loads info into the list. only allows one png file for you to see the load