11,795 questions with Developer technologies | C# tags

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2 answers One of the answers was accepted by the question author.

SFTP file upload download issue.

Dear all, already i developed sftp file upload and download with Renchi and SSH.net. For the weak RSA key encryption our IT support blocked RSA key encryptions so winscp is another option to implement personally i feel little complicated WINSCP so any…

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.

11,795 questions
asked 2026-04-21T06:26:30.1933333+00:00
Senthil kumar 25 Reputation points
edited a comment 2026-04-22T07:52:06.31+00:00
Senthil kumar 25 Reputation points
1 answer

How can I add a tab to file explorer from a c# program?

How can I add a tab to file explorer from a c# program?

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.

11,795 questions
asked 2026-04-06T16:51:21.62+00:00
Robert Dukelow 0 Reputation points
commented 2026-04-21T08:10:21.0833333+00:00
Lizzy Dinh (WICLOUD CORPORATION) 430 Reputation points Microsoft External Staff Moderator
2 answers

getting build issues after adding existed WCF service to the dotnet core project

I have added the WCF service reference to my dotnet core project and included dependency packages servicemodel.premitive, http ,security . But i am getting lot of build error like <clientbase>.

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.

11,795 questions
asked 2026-04-16T05:04:53.7066667+00:00
Gopisetty, Saraswathi 0 Reputation points
commented 2026-04-21T04:35:01.11+00:00
Varsha Dundigalla(INFOSYS LIMITED) 4,865 Reputation points Microsoft External Staff
2 answers

Sending a power off packet to an Xbox Series Controller

Hi! I am makeing a C# pet project with which I want to power off my xbox controller on a certain trigger. I've discovered that I can use WriteFile to send data to  \.\XboxGIP handle from C# code. I've managed to send a Led command as per doc but I…

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.

11,795 questions
asked 2026-04-10T10:12:44.4266667+00:00
magrega 56 Reputation points
commented 2026-04-20T06:48:44.4966667+00:00
Jack Dang (WICLOUD CORPORATION) 16,915 Reputation points Microsoft External Staff Moderator
2 answers

My Project is not creating an .exe file

My Project is not creating an .exe file in the Bin folder

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.

11,795 questions
asked 2026-04-08T09:45:57.34+00:00
Rodney Matthews 5 Reputation points
commented 2026-04-15T03:29:22.73+00:00
Nancy Vo (WICLOUD CORPORATION) 2,890 Reputation points Microsoft External Staff Moderator
2 answers

Assembly.cs missing

Why is the Assembly info missing in my project which is a net framework project

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.

11,795 questions
asked 2026-04-08T09:07:52.3866667+00:00
Rodney Matthews 5 Reputation points
commented 2026-04-14T11:06:05.5233333+00:00
Varsha Dundigalla(INFOSYS LIMITED) 4,865 Reputation points Microsoft External Staff
2 answers

When writing C# code in Visual Studio and in debug mode, the program cannot be launched.

Visual Studio 编辑C#代码,调试模式启动,无法启动程序。 输出列表中可以看到生成正常,手动点击生成的.exe可以正常运行。Windows事件查看器捕获到了应用程序崩溃事件。 尝试删除注册表、重装VS2019、VS2022、VS2016都没有解决这个问题。 完整代码复制到其他电脑可以正常执行debug调试。 此电脑运行其他c#程序无此异常提示。 日志名称: Application 来源: Application Error 日期: …

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.

11,795 questions
asked 2026-04-09T00:18:59.7733333+00:00
JJ Z 0 Reputation points
commented 2026-04-14T04:17:37.3633333+00:00
Lizzy Dinh (WICLOUD CORPORATION) 430 Reputation points Microsoft External Staff Moderator
3 answers

SignalR Chat Issue: I’m currently building chat system using SignalR in ASP.NET Core (.NET 9) for communication between a user and an admin. user message should be received instantly by the admin via SignalR

this is my browser where i want to inspect the error from

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.

11,795 questions
asked 2026-03-30T10:58:27.9+00:00
bright owusu 0 Reputation points
commented 2026-04-07T10:44:12.53+00:00
Danny Nguyen (WICLOUD CORPORATION) 6,620 Reputation points Microsoft External Staff Moderator
2 answers

Exception from HRESULT: 0x8004A0E0

I am getting a System.Runtime.InteropServices.COMException (0x8004A0E0) in my C# Solid Edge automation. When this error occurs, the 3D model does not update correctly. Has anyone else faced this issue? I need help to solve it.

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.

11,795 questions
asked 2026-03-25T08:23:43.5833333+00:00
Sinduja 0 Reputation points
commented 2026-04-07T09:26:08.7133333+00:00
Taki Ly (WICLOUD CORPORATION) 690 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

Best Practices for Video-to-Audio Conversion in Microsoft-Based Projects

I’m working on a project where I need to manage media content for offline access, especially converting video resources into audio format for learning purposes. While exploring solutions, I came across the trusted Yolk.fm video to audio downloader, which…

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.

11,795 questions
asked 2026-03-27T13:26:33.5533333+00:00
Abdul Waheed 20 Reputation points
edited a comment 2026-04-07T04:44:04.79+00:00
Nancy Vo (WICLOUD CORPORATION) 2,890 Reputation points Microsoft External Staff Moderator
3 answers

validation control

how to supress the errir message of the normal valudation controls and only show the error messages from the summary control? <%@ Page Language="C#"%> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" …

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.

11,795 questions
asked 2026-04-01T14:44:42.09+00:00
zal wel 20 Reputation points
commented 2026-04-06T10:00:19.5766667+00:00
Jack Dang (WICLOUD CORPORATION) 16,915 Reputation points Microsoft External Staff Moderator
1 answer

How can I optimize this ASP.NET Core + EF Core + PostgreSQL CRUD API?

Hi everyone, I've been building a REST API using ASP.NET Core with Entity Framework Core and Npgsql (PostgreSQL), and I'd love some feedback on how to optimize it. I'll share the full structure below — it's a fairly standard CRUD setup with two…

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.

11,795 questions
asked 2026-03-31T21:52:35.2766667+00:00
Csaba Faragó 0 Reputation points
commented 2026-04-06T09:58:04.3566667+00:00
Jack Dang (WICLOUD CORPORATION) 16,915 Reputation points Microsoft External Staff Moderator
1 answer

ReportViewer winform Preview print win10 print content is not centered

I used ReportViewer to load the rdlc report and preview and print, but the contents did not display in the center when the resolution of win10 system was 125%, but the contents displayed in the center normally when I switched to the 100% resolution and…

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.

11,795 questions
asked 2023-02-03T02:45:11.34+00:00
mengyuan bai 0 Reputation points
commented 2026-04-06T04:09:07.92+00:00
sor pisey 0 Reputation points
1 answer One of the answers was accepted by the question author.

Issue to add task code to the class

Hi, I want to add the task code like into the following. What to adjust?

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.

11,795 questions
asked 2026-04-04T07:13:54.2666667+00:00
Scott Huang 3,366 Reputation points
accepted 2026-04-04T14:38:32.9466667+00:00
Scott Huang 3,366 Reputation points
3 answers

Using visual studio code for WPF c# app development?

Can I use visual studio code to create and develop c# based WPF windows applications ? If so, what else do I need to install alongside visual studio code and how?

Developer technologies | Windows Presentation Foundation
Developer technologies | XAML
Developer technologies | XAML

A language based on Extensible Markup Language (XML) that enables developers to specify a hierarchy of objects with a set of properties and logic.

878 questions
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.

11,795 questions
asked 2022-10-06T11:08:34.417+00:00
Boom Ba 166 Reputation points
edited an answer 2026-04-02T04:32:32.5166667+00:00
Lex Li 6,042 Reputation points
2 answers

how to fix an error that affects the interface to not open

how to fix an error that affects the interface to not open

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.

11,795 questions
asked 2026-03-27T15:15:46.3533333+00:00
Wisdom Maluleke 0 Reputation points
answered 2026-03-30T03:48:08.7133333+00:00
Lizzy Dinh (WICLOUD CORPORATION) 430 Reputation points Microsoft External Staff Moderator
1 answer

AYUDA CON EL ERROR DE INSTALACION DE EL microsoft.visualcpp.redist.14 PARA INSTALAR LAS EXTENCIONES DE EL C#

PRESENTO ERRORES A EL INSTALAR LAS EXTENCIONES DE EL C# Y ME MUESTRA ESTE MENSAJE DE ERROR DE INSTALACION microsoft.visualcpp.redist.14

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.

11,795 questions
asked 2026-03-23T15:07:15.3233333+00:00
Addu Nuñez 0 Reputation points
commented 2026-03-30T03:23:34.73+00:00
Leon Tran (WICLOUD CORPORATION) 1,740 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

How to implement ICustomGameControllerFactory?

internal class Program { static void Main(string[] args) { Test().Wait(); } class CustomGameController: IGameController { public Headset Headset { get; set; } public bool IsWireless => true; public User User { get; set;…

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.

11,795 questions
asked 2026-03-24T03:03:46.73+00:00
you74674 40 Reputation points
accepted 2026-03-25T04:32:06.8733333+00:00
you74674 40 Reputation points
2 answers

can i learn c# in azure devops server

what is the benefit of free subscription in azure as i need to learn c# and servers

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.

11,795 questions
asked 2026-03-23T03:50:14+00:00
Amr Hegazy 0 Reputation points
commented 2026-03-25T02:26:01.08+00:00
Lizzy Dinh (WICLOUD CORPORATION) 430 Reputation points Microsoft External Staff Moderator
1 answer

I need help creating a payroll system that includes Weekly wages and annual salary

I need help creating this payroll system for an assessment for my computer class It requires a C# code using Visual Studio 2019: Windows Form App (.NET Core) All information for this task is included here: Document and develop a computer…

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.

11,795 questions
asked 2022-09-01T05:18:42.033+00:00
M. Segon 1 Reputation point
commented 2026-03-24T18:53:44.96+00:00
nadhira thembavani 0 Reputation points