10,860 questions with C#-related tags

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2 answers

All Toolbox Options Greyed in Visual Studio 2022

I have recently upgraded my WinForm C# application from .Net 4.7.x to .Net 6 I wish to make a change to one of the Forms, however when I try to add any control to any form, I find that all options are greyed out in the Toolbox, so I can modify any of the…

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,884 questions
C#
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.
10,860 questions
asked 2024-04-20T11:10:48.4966667+00:00
Tony Hedge 6 Reputation points
answered 2024-09-19T19:27:22.0166667+00:00
JohnKarajim 0 Reputation points
2 answers

How to get current User outside of Controller in another layer

In ASP.NET Core 6, I need to get the current user in service layer This is code: public class ServiceModel { private readonly IHttpContextAccessor accessor; public ServiceModel(IHttpContextAccessor accessor) { this.accessor =…

Entity Framework Core
Entity Framework Core
A lightweight, extensible, open-source, and cross-platform version of the Entity Framework data access technology.
737 questions
.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,808 questions
ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,530 questions
C#
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.
10,860 questions
asked 2024-09-18T22:15:23.81+00:00
mostafa ahmed 41 Reputation points
answered 2024-09-19T17:41:23.7666667+00:00
Bruce (SqlWork.com) 64,566 Reputation points
1 answer

the sample console app from the emulator to create a database is throwing error

Hello, I'm downloaded and trying to execute the sample console app for database creation for Azure cosmos emulator. However it throwing me the below error. IOException: Unable to read data from the transport connection: The I/O operation has been…

Azure Cosmos DB
Azure Cosmos DB
An Azure NoSQL database service for app development.
1,615 questions
C#
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.
10,860 questions
asked 2024-09-17T00:57:58.1266667+00:00
Divya Ravindran 0 Reputation points
commented 2024-09-19T16:54:48.0266667+00:00
Sai Raghunadh M 150 Reputation points Microsoft Vendor
1 answer

using readAllBytes throws "file not accessible error"

I trying to read an encrypted file using the following: and getting access not allowed error. // would prefer to use the following instead of picker" // AuthFile = @"C:\vbscripts\pid.txt"; // if…

Universal Windows Platform (UWP)
C#
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.
10,860 questions
asked 2024-09-11T21:45:09.99+00:00
tim 160 Reputation points
commented 2024-09-19T08:30:42.84+00:00
Roy Li - MSFT 33,001 Reputation points Microsoft Vendor
1 answer

c# UWP resource directory DataTemplate with x:DataType not working

HI, using VS2022 UWP c# I am trying to put a DataTemplate into a ResourceDictionary using a x:DataType I get a compile error Severity Code Description Project File Line Suppression State Error The XAML Binary Format (XBF) generator reported syntax…

Universal Windows Platform (UWP)
C#
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.
10,860 questions
asked 2024-09-12T14:45:36.5366667+00:00
Paul Ryan 321 Reputation points
commented 2024-09-19T08:28:47.2766667+00:00
Roy Li - MSFT 33,001 Reputation points Microsoft Vendor
0 answers

Graph API and Announcing mandatory multi-factor authentication for Azure sign-in

How to avoid having problems with: getting the presence of Teams user using graph api. In C# by using access token for webchat. I do not want to get effected by the MFA forcing. In other words: How to bypass MFA for multi-tenant azure app using graph…

Microsoft Graph
Microsoft Graph
A Microsoft programmability model that exposes REST APIs and client libraries to access data on Microsoft 365 services.
11,891 questions
C#
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.
10,860 questions
Microsoft Entra ID
Microsoft Entra ID
A Microsoft Entra identity service that provides identity management and access control capabilities. Replaces Azure Active Directory.
21,470 questions
asked 2024-09-17T17:11:44.76+00:00
Rihamf 0 Reputation points
edited the question 2024-09-19T07:53:48.3+00:00
Rihamf 0 Reputation points
2 answers

when get data from procedure exist on PostgreSQL it show not exist although it exist?

I create stored procedure on PostgreSQL as below CREATE OR REPLACE PROCEDURE app_sec."app_perm_sp_pkg$get_all_tenants"( IN p_tenant_cur refcursor, OUT p_status integer, OUT p_status_desc text) I try to get data by call sp from PostgreSQL…

ASP.NET
ASP.NET
A set of technologies in the .NET Framework for building web applications and XML web services.
3,460 questions
C#
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.
10,860 questions
asked 2024-09-16T20:41:42.9366667+00:00
Ahmed Salah 0 Reputation points
answered 2024-09-18T18:37:19.37+00:00
Bruce (SqlWork.com) 64,566 Reputation points
1 answer

Read and save data from C# app onto SharePoint

For security reasons, our business is required to maintain a visitor control log to track when external guests enter and leave the premises. When our infrastructure used to have on-prem file/storage servers, I had written a simple app that enabled the…

Microsoft Graph
Microsoft Graph
A Microsoft programmability model that exposes REST APIs and client libraries to access data on Microsoft 365 services.
11,891 questions
SharePoint
SharePoint
A group of Microsoft Products and technologies used for sharing and managing content, knowledge, and applications.
10,604 questions
C#
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.
10,860 questions
asked 2022-05-09T10:04:28.383+00:00
Thomas Lu 1 Reputation point
commented 2024-09-18T17:19:05.4033333+00:00
Ayinapurapu, Vinaydeep 20 Reputation points
1 answer One of the answers was accepted by the question author.

Call backgroundWorker

I creating simple permutation code using c# app. Now I want to display a simple progressbar. Now if the program execute I want to check if the background is busy else I call the backgroundworker and show how many percent remaining. The code below I call…

Visual Studio
Visual Studio
A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.
5,064 questions
C#
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.
10,860 questions
asked 2024-09-09T12:44:37.9333333+00:00
YUI-012 20 Reputation points
accepted 2024-09-18T13:03:48.3066667+00:00
YUI-012 20 Reputation points
2 answers

I got two error in the MAUI project when I try to run the project

Below I attached the error message and screenshot: Severity Code Description Project File Line Suppression State Error APPX0002 Task 'WinAppSdkGenerateAppxPackageRecipe' failed. The specified module could not be…

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
3,427 questions
C#
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.
10,860 questions
asked 2024-01-31T11:13:00.39+00:00
Manash Dholey 0 Reputation points
answered 2024-09-18T12:13:17.5233333+00:00
Sal Scozzari 0 Reputation points
1 answer

Using Renegotiation in C#

Hi All, We have a WPF application built on .Net Framework 4.8. This application acts an HTTPs client. We are currently using the code provided in the attached file for HTTPs communication. This code is used to run a sequence of commands one after…

Windows Presentation Foundation
Windows Presentation Foundation
A part of the .NET Framework that provides a unified programming model for building line-of-business desktop applications on Windows.
2,762 questions
C#
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.
10,860 questions
asked 2024-09-14T20:10:04.57+00:00
S Abijith 386 Reputation points
commented 2024-09-18T08:49:16.0433333+00:00
Hongrui Yu-MSFT 1,680 Reputation points Microsoft Vendor
0 answers

Android Emulator waiting for debugger to attach in .net maui app

I upgraded my .net maui app from .net 7 to .net 8 and updated my nuget packages. I built the output solution but deployment was not successful as I had received the error message:- Xaml XC002 erro: Binding could be compiled if x:datatype is specified…

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
3,427 questions
C#
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.
10,860 questions
asked 2024-05-11T02:31:41.49+00:00
wire_jp 206 Reputation points
commented 2024-09-18T08:47:54.93+00:00
Yonglun Liu (Shanghai Wicresoft Co,.Ltd.) 42,166 Reputation points Microsoft Vendor
2 answers

What is the easiest way to manage JSON data in C#?

Thank you for this very helpful forum. I have this API request that is a GET request and it returns a massive JSON text. So, what is the easiest way to make the JSON file properly formatted and usable? This is what the code looks like, by the way, that…

C#
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.
10,860 questions
asked 2024-09-09T23:38:10.44+00:00
William Thompson 120 Reputation points
commented 2024-09-18T06:48:33.3+00:00
Jiale Xue - MSFT 44,751 Reputation points Microsoft Vendor
1 answer One of the answers was accepted by the question author.

Disable Control Render

In WPF I have a control to load titles but the control is very slow to render on screen. I have been told that I can use BeginInit() of the control to add the items and not render them. How do I use it if the control has already been initialized and is…

C#
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.
10,860 questions
asked 2024-09-18T03:34:27.8866667+00:00
zequion 421 Reputation points
accepted 2024-09-18T06:37:49.7733333+00:00
zequion 421 Reputation points
2 answers One of the answers was accepted by the question author.

How to connect to Azure Service Bus through Private Endpoint?

I'm developing an application in our organization using C#/.NET(8.0) and have to use Azure Service Bus. My access in our organization's Azure account is mostly read-only, so I don't know actually how they created the instances. But I can see that the…

Azure Service Bus
Azure Service Bus
An Azure service that provides cloud messaging as a service and hybrid integration.
617 questions
.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,808 questions
C#
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.
10,860 questions
asked 2024-03-06T01:47:21.7933333+00:00
Bergs 60 Reputation points
accepted 2024-09-18T06:04:33.25+00:00
Bergs 60 Reputation points
2 answers

What is the proper way to declare a Microsoft class to use in my code.

What is the proper way to declare a Microsoft class to use in my code. The quick and dirty way I am doing it here, I know, is not correct Microsoft SharePoint.Client.List newList = null; I think it is something like…

C#
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.
10,860 questions
asked 2024-09-17T20:57:02.1+00:00
William Thompson 120 Reputation points
answered 2024-09-18T05:44:06.48+00:00
Jiachen Li-MSFT 31,011 Reputation points Microsoft Vendor
1 answer

SuspendLayout to Form and Control

In WPF I have a task that executes a function that loads about 150 titles into a DevExpress NavBar control and a ComboBox. The function takes a long time to finish and it seems that it is because the NavNar control takes a long time to render all the…

C#
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.
10,860 questions
asked 2024-09-17T03:43:58.9466667+00:00
zequion 421 Reputation points
edited a comment 2024-09-18T03:27:51.41+00:00
Hui Liu-MSFT 48,511 Reputation points Microsoft Vendor
3 answers One of the answers was accepted by the question author.

Is it possible to disable the new "top-level-statements" compiler configuration, which obfuscates and makes the language less transparent?

It makes no sense to have top-level statements - it would have been better to have the console app auto-generate the boiler-plate console app with a Main() method, the same way a boilerplate HTML file can be created quickly. The language was consistent…

C#
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.
10,860 questions
asked 2024-09-17T13:35:30.63+00:00
Jim Copeland 20 Reputation points
commented 2024-09-17T21:57:35.6433333+00:00
Bruce (SqlWork.com) 64,566 Reputation points
2 answers

Using IDENTITY_INSERT with FK_ChildTable_ParentTable?

Hello, Wrapping SaveChanges with ON and OFF works fine with individual tables. But not in case of a parent-child relationship where a foreign key exists. Microsoft.Data.SqlClient.SqlException (0x80131904): Cannot insert explicit value for identity column…

Entity Framework Core
Entity Framework Core
A lightweight, extensible, open-source, and cross-platform version of the Entity Framework data access technology.
737 questions
ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,530 questions
SQL Server
SQL Server
A family of Microsoft relational database management and analysis systems for e-commerce, line-of-business, and data warehousing solutions.
13,698 questions
C#
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.
10,860 questions
asked 2024-09-16T22:33:43.8366667+00:00
Joyce 80 Reputation points
answered 2024-09-17T21:20:25.1766667+00:00
Erland Sommarskog 110.4K Reputation points MVP
0 answers

How to set PerMonitor DpiAwareness for .NET 8 Windows desktop application in WPF?

Hi, I am having problem setting WPF window based desktop .NET 8 application to work as PerMonitor DpiAware. System default automatic scaling schema... When user changes Windows 10 display setting scale, WPF-Window is being scaled accordingly. Also,…

Windows Presentation Foundation
Windows Presentation Foundation
A part of the .NET Framework that provides a unified programming model for building line-of-business desktop applications on Windows.
2,762 questions
Windows API - Win32
Windows API - Win32
A core set of Windows application programming interfaces (APIs) for desktop and server applications. Previously known as Win32 API.
2,595 questions
C#
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.
10,860 questions
asked 2024-09-03T11:03:57.19+00:00
MERUN KUMAR MAITY 596 Reputation points
commented 2024-09-17T13:05:45.7+00:00
MERUN KUMAR MAITY 596 Reputation points