55,952 questions with Developer technologies-related tags

Sort by: Updated
1 answer

Excel Interop/DCOM to OpenXml/EPPlus

Hi, In our server side application, clients can upload .xlsm files (after they modified a macro). Then the server is using these .xslm as a model to create new file, add data in sheets and run the macro. (server is doing that as jobs at night because…

Developer technologies | C#
Developer technologies | C#

An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.

11,802 questions
asked 2026-06-04T16:18:44.83+00:00
Alain PAPET 0 Reputation points
answered 2026-06-05T03:53:54.7633333+00:00
Danny Nguyen (WICLOUD CORPORATION) 6,945 Reputation points Microsoft External Staff Moderator
3 answers

If class variable stored in stack and object in the managed heap then where the class properties get stored in C# .NET?

If I create an Employee class and this class have 2 members EmployeeId and EmployeeName so where these properties and it's value get stored either in managed heap or stack or both in C# .NET?

Developer technologies | C#
Developer technologies | C#

An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.

11,802 questions
asked 2026-05-28T17:35:32.5833333+00:00
Jairaj Kushwaha 0 Reputation points
commented 2026-06-05T03:46:50.8366667+00:00
Taki Ly (WICLOUD CORPORATION) 1,745 Reputation points Microsoft External Staff Moderator
2 answers

Getting “Value of '-2147483648' is not valid for 'RowPosition'” in Visual Studio while building after making changes to design using WinForms designer.

I am running into a persistent and unusual issue while working with the WinForms designer in Visual Studio. Whenever I move or drag any control (such as a TextBox) on a form and then start debugging, Visual Studio throws the following error message three…

Developer technologies | Windows Forms
asked 2026-05-28T11:51:29.5+00:00
Researcher 96 Reputation points
commented 2026-06-05T03:46:39.8266667+00:00
Taki Ly (WICLOUD CORPORATION) 1,745 Reputation points Microsoft External Staff Moderator
2 answers

How can I ask users for ratings and reviews in my Android game?

I want that the prompt gets displayed in my game on Android devices after the user finished a level in my game. How can I display the prompt in my game and is it necessary that I check if the prompt was already displayed three times in a 365-day period…

Developer technologies | .NET | .NET Multi-platform App UI
asked 2026-06-02T15:33:39.7466667+00:00
Kim Strasser 2,596 Reputation points
commented 2026-06-05T03:45:11.6133333+00:00
Nancy Vo (WICLOUD CORPORATION) 5,015 Reputation points Microsoft External Staff Moderator
5 answers

Enhance the way of linear search

Hi, To C# linear search below any advice to apply the following way on the above?

Developer technologies | C#
Developer technologies | C#

An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.

11,802 questions
asked 2026-05-31T04:50:50.82+00:00
Jonathan 130 Reputation points
commented 2026-06-05T03:20:03.5666667+00:00
Jonathan 130 Reputation points
2 answers

how to use the font I add to the system?

I am using winforms I copy the font file to Fonts folder in windows server 2022 and I can not use it. var font =new Font("MyFont"); the font is Microsoft sans serif not my font. why? if the name is not right how to get the name ?

Developer technologies | Windows Forms
asked 2026-06-04T14:14:46.45+00:00
mc 7,126 Reputation points
answered 2026-06-05T03:06:04.8633333+00:00
Nancy Vo (WICLOUD CORPORATION) 5,015 Reputation points Microsoft External Staff Moderator
2 answers

How do I fix .NET runtime installation error?

I keep getting a message to download and install .net runtime, x64, V 8.0.11. I downloaded the repair tool and it could not fix the problem. I have no idea how to fix this problem. suggestions?

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime

.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.

1,323 questions
asked 2026-05-24T17:40:44.9866667+00:00
Reg Keegan 0 Reputation points
commented 2026-06-05T02:42:33.8766667+00:00
Lizzy Dinh (WICLOUD CORPORATION) 530 Reputation points Microsoft External Staff Moderator
2 answers

Visual studio 2026 offline installation

Hello guys, i encountered problem with visual studio 2026 offline instalation. I created whole layout and even layout even with wanted workloads and components on PC with internet access. Then i move it to my offline corporate PC were i already doing it…

Developer technologies | Visual Studio | Setup
asked 2026-06-02T06:59:51.1366667+00:00
Dušan Štefanco 0 Reputation points
commented 2026-06-05T02:42:06.3266667+00:00
Lizzy Dinh (WICLOUD CORPORATION) 530 Reputation points Microsoft External Staff Moderator
3 answers One of the answers was accepted by the question author.

Is net 9.0 support latest ios in MAUI?

Is net 9.0 support latest ios? using VS2022? in MAUI? if I can relase ipa file and install on the latest ios that is better. if vs2022 do not support how to use cli to relase it?

Developer technologies | .NET | .NET Multi-platform App UI
asked 2026-05-31T04:21:35.5733333+00:00
mc 7,126 Reputation points
accepted 2026-06-05T02:31:29.78+00:00
mc 7,126 Reputation points
2 answers One of the answers was accepted by the question author.

UWP app throws unhandled exception when installed from .msix package

This is a UWP app with Visual Studio Insiders [11709.129]. When deployed from Visual Studio, started with or without debugging to a Windows 10, an Xbox, or a Windows 11, it runs fine and is passing the tests. However, when the project is published to an…

Developer technologies | Universal Windows Platform (UWP)
asked 2026-05-20T20:14:21.3+00:00
WoodManEXP 40 Reputation points
commented 2026-06-05T01:20:18.4+00:00
Jay Pham (WICLOUD CORPORATION) 3,770 Reputation points Microsoft External Staff Moderator
1 answer

Question about JSON (De)Serialization using System.Text.Json.

This is a Q about JSON (De)Serialization using System.Text.Json. There are three classes involved, abbreviated here: internal class FolderState { /// <summary> /// Stack elemens /// </summary> /// …

Developer technologies | C#
Developer technologies | C#

An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.

11,802 questions
asked 2026-06-04T19:56:26.8533333+00:00
WoodManEXP 40 Reputation points
commented 2026-06-05T01:12:14.3166667+00:00
Viorel 126.9K Reputation points
1 answer

Is it possible to get the listing page URL of my game when my game is not yet published in the Apple App Store and Google Play Store?

I want to add the listing page URL in my game so that the user can click the link in my game and give me a comment or a rating in the Apple App Store/Google Play Store. How can I get the URL of my listing page? Is it necessary to publish my game first…

Developer technologies | .NET | .NET Multi-platform App UI
asked 2026-06-04T20:29:10.4166667+00:00
Kim Strasser 2,596 Reputation points
answered 2026-06-04T20:29:28.2766667+00:00

AI answer

1 answer

Visual Studio 2026 Extension Management Configuration

I'm trying to configure Visual Studio 2026 via script to include in a GPO, that adds our internal Private Repository as the only available source of Extensions. So far, my attempts to use the previous pkgdef method does not seem to work for VS 2026. Does…

Developer technologies | Visual Studio | Extensions
asked 2026-04-27T20:57:43.56+00:00
James Scott Jr 5 Reputation points
commented 2026-06-04T18:34:05.79+00:00
Santosh jogi 0 Reputation points
2 answers

Why in .net maui 10 ios does the SearchBar control not show the correct background color and emits a shadow?

When I upgraded an app from .net maui 9.0.81 to 10.0.70, my SearchBar control did not show the correct background color and emitted a shadow. I did some extensive research into this issue and tried a lot of the suggested workarounds. Nothing fully…

Developer technologies | .NET | .NET Multi-platform App UI
asked 2026-06-02T00:16:22.97+00:00
Kurt K 196 Reputation points
commented 2026-06-04T18:18:04.79+00:00
Kurt K 196 Reputation points
3 answers

Static initialization of thread_local variable with heap-allocating constructor crashes program

I noticed that the following static variable in my C++ code caused my program to stop working (crash / exception at startup): static thread_local std::unordered_map<std::string, int> myMap; Debugging the issue, an exception was raised while the…

Developer technologies | C++
Developer technologies | C++

A high-level, general-purpose programming language, created as an extension of the C programming language, that has object-oriented, generic, and functional features in addition to facilities for low-level memory manipulation.

4,066 questions
asked 2026-05-29T09:08:43.94+00:00
Marco Fischer 0 Reputation points
commented 2026-06-04T16:04:25.33+00:00
Darran Rowe 2,616 Reputation points
0 answers

Unable to perform TFVC check-ins due to deprecated check-in policies.

Hello, We are unable to perform TFVC check-ins due to deprecated check-in policies. Error message: "It's not possible to operate with deprecated policies, please see Azure DevOps blog for more information.…

Developer technologies | Visual Studio | Other
Developer technologies | Visual Studio | Other

A family of Microsoft suites of integrated development tools for building applications for Windows, the web, mobile devices and many other platforms. Miscellaneous topics that do not fit into specific categories.

5,764 questions
asked 2026-06-04T11:14:43.93+00:00
Anjali Jaiswal 0 Reputation points
commented 2026-06-04T11:37:42.58+00:00
RLWA32 52,571 Reputation points
4 answers

Blazor Web Assembly authentication issue in version 10.0.8

Blazor Web Assembly authentication issue in version 10.0.8

Developer technologies | .NET | Blazor
Developer technologies | .NET | Blazor

A free and open-source web framework that enables developers to create web apps using C# and HTML, developed by Microsoft.

1,699 questions
asked 2026-05-28T18:58:35.8233333+00:00
Muthukumar S 0 Reputation points
commented 2026-06-04T11:00:48.5166667+00:00
Danny Nguyen (WICLOUD CORPORATION) 6,945 Reputation points Microsoft External Staff Moderator
2 answers

Run-time error "53" window pop out when I use WORD

Why is there a window pop out saying Visual Basic for Application, Run-time error "53" when I open WORD.Ru

Developer technologies | Visual Basic for Applications
asked 2026-05-31T22:45:38.9733333+00:00
Carol Carol 5 Reputation points
commented 2026-06-04T10:55:15.45+00:00
Danny Nguyen (WICLOUD CORPORATION) 6,945 Reputation points Microsoft External Staff Moderator
2 answers

InvalidCastException

How to fix [InvalidCastException: Conversion from type 'DBNull' to type 'String' is not valid.]

Developer technologies | VB
Developer technologies | VB

An object-oriented programming language developed by Microsoft that can be used in .NET.

2,927 questions
asked 2026-05-31T13:55:18.6366667+00:00
Corey H 0 Reputation points
commented 2026-06-04T10:03:59.11+00:00
Jack Dang (WICLOUD CORPORATION) 18,800 Reputation points Microsoft External Staff Moderator
2 answers

MAUI Label randomly appearing and disappearing in iOS

Hi there I have an if statement that sets the visible property of a label to false if there is no value or it is 0. But I have checked the result from the api and there definitely is a value. The behaviour is inconsistent. Sometimes when I navigate to…

Developer technologies | .NET | .NET Multi-platform App UI
asked 2026-05-28T11:45:09.0566667+00:00
Jai Holloway 110 Reputation points
commented 2026-06-04T09:54:23.4433333+00:00
Michael Le (WICLOUD CORPORATION) 11,325 Reputation points Microsoft External Staff Moderator