54,088 questions with Developer technologies-related tags

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Entity framework linq query is not working in Google cloud machine

we are using entity framework for linq query it is working fine in local machine but not working in google cloud machine, object reference is not set error getting. we are selecting only one value from table

Developer technologies | C#
asked 2023-06-21T11:05:00.1666667+00:00
N 1 Reputation point
commented 2023-06-22T01:46:33.6366667+00:00
Jack J Jun 25,296 Reputation points
1 answer

How to hide debug settings in release mode? (xamarin forms ios)

Developer technologies | .NET | Xamarin
asked 2023-06-21T09:29:37.3366667+00:00
Emanuele DI EMANUELE 1 Reputation point
answered 2023-06-22T01:44:33.1966667+00:00
Wenyan Zhang (Shanghai Wicresoft Co,.Ltd.) 36,436 Reputation points Microsoft External Staff
1 answer

How to re-create Shell Flyout item in .Net Maui?

By Default , While creating Shell flyout item, Hamburger icon is automatically created. In my application , we need to remove the below mentioned items. I am unable to re-create the Hamburger icon below. Target platform - Windows

Developer technologies | .NET | .NET MAUI
asked 2023-06-19T05:47:59.0733333+00:00
Sowndarrajan Vijayaragavan 470 Reputation points
commented 2023-06-22T00:55:33.0133333+00:00
Yonglun Liu (Shanghai Wicresoft Co,.Ltd.) 50,126 Reputation points Microsoft External Staff
1 answer

Visual Studio 2019 : full Standalone installation

I am looking for a full Standalone installation to Visual Studio 2019 (because no possibility to Internet connexion). Thx

Developer technologies | Visual Studio | Setup
Developer technologies | C++
Developer technologies | .NET | Other
Developer technologies | VB
asked 2022-03-24T09:17:59.61+00:00
PACCAUT Johann 1 Reputation point
commented 2023-06-21T23:47:18.91+00:00
81892775 0 Reputation points
3 answers

How convert Linq query to stored procedure

Hi All, How we can below linq query convert in to sql stored procedure query? var output = (from c in db.candidates select new { c.ID, …

Developer technologies | ASP.NET | Other
Developer technologies | C#
asked 2023-05-22T17:26:01.4766667+00:00
Binumon George 161 Reputation points
edited an answer 2023-06-21T20:35:08.3966667+00:00
Viorel 122.9K Reputation points
2 answers

Why is the Linux ODBC driver on Ubuntu currently not supported for 18.04,20.04, and 22.04 LTS

https://learn.microsoft.com/en-us/sql/connect/odbc/linux-mac/installing-the-microsoft-odbc-driver-for-sql-server?view=sql-server-ver16#ubuntu18 if ! [[ "18.04 20.04 22.04" == "$(lsb_release -rs)" ]]; then echo…

Developer technologies | Transact-SQL
SQL Server | Other
asked 2022-11-01T22:01:05.13+00:00
Brent Groves 1 Reputation point
commented 2023-06-21T20:10:14.42+00:00
Brent Groves 11 Reputation points
0 answers

Receive only first Chat message, Maui 7 SignalR app in Hosting environment

Hello, I'm building a .Net Maui v7 application based on the example provided below. https://github.com/Skynet-Demos/SignalR-MAUI Running locally with server and client works fine. Once I deploy the server app to my hosting provider and deploy the client…

Developer technologies | .NET | .NET MAUI
Developer technologies | ASP.NET | ASP.NET API
Developer technologies | ASP.NET | Other
asked 2023-06-20T00:45:24.4766667+00:00
Michael Nguyen 0 Reputation points
edited the question 2023-06-21T18:27:53.81+00:00
ajkuma 28,036 Reputation points Microsoft Employee Moderator
1 answer One of the answers was accepted by the question author.

How to save window information

I have a Grid with textBoxes, dataGrid. Is it possible to add the ability to save the position of the window with the selected data? So that the user can fill in the data, then save it, and then go in and edit it if necessary. What is the correct way to…

Developer technologies | Windows Presentation Foundation
Developer technologies | XAML
Developer technologies | C#
asked 2023-06-01T20:48:55.21+00:00
vitaminchik 486 Reputation points
accepted 2023-06-21T18:07:58.6066667+00:00
vitaminchik 486 Reputation points
1 answer

How to disable cascade insertion in EF Core

I am facing an issue in EF Core 5.0, When i am inserting the Data in Parent table child entries are auto inserted How to disable it

Developer technologies | .NET | Entity Framework Core
asked 2021-03-04T09:20:26.137+00:00
Zahid Mustafa 1 Reputation point
commented 2023-06-21T17:39:17.62+00:00
Eliezer jimenez 1 Reputation point
2 answers

Set formula in Excel use C# and OpenXML, Excel file auto add @ character in the formula

I set formula for one cell like this: cell.CellFormula = @"IFERROR((POWER(PRODUCT(IF(O3:O1000<>"""",1+O3:O1000,"""")),1/COUNT(O3:O1000))-1)*$I$1,"""")"; but when I open the…

Developer technologies | C#
asked 2021-03-09T11:37:36.823+00:00
Tran Dien Hai 1 Reputation point
commented 2023-06-21T17:28:08.76+00:00
Anonymous
1 answer One of the answers was accepted by the question author.

Using JSDoc and type script declaration files for Javascript project without jsconfig.json

Hello, I am using version 17.2.6 of visual studio. Some of my co-workers that work on the same project as me updated to 17.3. Once they updated none of the intellisense worked anymore and VS acts as though it can't find any of the functions or global…

Developer technologies | Visual Studio | Other
asked 2023-06-14T12:44:05.2633333+00:00
Zachary Keim 21 Reputation points
accepted 2023-06-21T16:44:17.7666667+00:00
Zachary Keim 21 Reputation points
3 answers

Reduce file size client side before uploading to server

I created a web app for some of our staff who use this to fill out some details, select an image (either from the library on their device or direct from the camera) and then send it to the server. On occasion the staff report that they get a…

Developer technologies | ASP.NET | Other
Developer technologies | C#
asked 2021-03-28T22:51:43.33+00:00
Jay Paterson 96 Reputation points
answered 2023-06-21T16:43:10.21+00:00
Thomas 0 Reputation points
2 answers

How do I use Identity Policy in my Blazor app?

Hi all; Ok, I'm diving in to using the authorization part of the Identity library. I have the Identity library scaffolded in, authentication is working, and I have created pages to CRUD claims. (And I have read this multiple times.) I want to do two…

Developer technologies | ASP.NET | ASP.NET Core
Developer technologies | .NET | Blazor
asked 2023-06-18T23:36:59.5666667+00:00
David Thielen 3,211 Reputation points
commented 2023-06-21T16:36:32.91+00:00
Bruce (SqlWork.com) 78,316 Reputation points Volunteer Moderator
1 answer

Unable to use InputInjector.InjectKeyboardInput method from js projection created with wv2winrt

I am migrating an application previously buit with autohotkeys to a brand new WinUI3 project based on the tutorial Call native-side WinRT code from web-side code. I need to inject keyboad and mouse inputs to emulate a real keyboard and mouse systemwide…

Windows development | Windows App SDK
Windows for business | Windows Client for IT Pros | User experience | Other
Developer technologies | Visual Studio | Other
Microsoft Edge | Microsoft Edge development
asked 2023-06-19T15:59:50.61+00:00
H Latorre 0 Reputation points
commented 2023-06-21T16:32:02.6766667+00:00
H Latorre 0 Reputation points
1 answer

VB.net MailMessage in com dll for Access project not working from Windows 11

Several years ago I created a simple com object in vb.net for use with an MS Access project for one of my clients. It's worked just fine for several years on Windows 10 for them. Now they have a couple of Windows 11 computers in their office and it…

Windows for business | Windows Client for IT Pros | User experience | Other
Developer technologies | VB
asked 2023-06-21T14:27:45.7066667+00:00
Keith 1 Reputation point
answered 2023-06-21T16:02:52.6833333+00:00
Keith 1 Reputation point
1 answer

Website uses old CSHTML files after already change it and deploy

contact: daniel.nadayag email: ******@dtsc.ca.gov Work number: +1 916-322-0279 Website uses old CSHTML files after already change it and deploy We are using #technology# in Azure DevOps to deploy an ASP.NET #version# MVC web application to an…

Developer technologies | .NET | Other
asked 2023-06-15T21:05:24.4033333+00:00
Zhang, Cen@DTSC 0 Reputation points
edited a comment 2023-06-21T15:45:18.3433333+00:00
Wo, Erica@DTSC 0 Reputation points
3 answers

xUnit succeeded without finishing the test - Visual Studio Debugger crashes - Visual Studio Community Version 17.6.0

Hi there, in a Windows Form the constructor of a form instantiates a class derived from ComboBox. This class just changes the background overriding OnEnter and OnLeave if (Enabled) Backcolor = System.Drawing.Color.FromArgb... and then call the base…

Developer technologies | Visual Studio | Testing
asked 2023-06-02T14:44:59.2966667+00:00
daniele luppi 0 Reputation points
answered 2023-06-21T15:12:58.6066667+00:00
daniele luppi 0 Reputation points
1 answer

how to fix error 1601

the setup won't run . also fails to uninstall

Developer technologies | Visual Studio | Setup
asked 2023-06-12T13:27:08.3633333+00:00
norbert nestory 0 Reputation points
commented 2023-06-21T13:58:29.4066667+00:00
Tianyu Sun-MSFT 34,456 Reputation points Microsoft External Staff
1 answer One of the answers was accepted by the question author.

Create an EventHandler in Visual Basic .NET

Friends, How do I create an EventHandler in Visual Basic .NET for a PictureBox set? In C# is: Thank you. foreach (Control control in groupBox2.Controls) { control.Click += new EventHandler(PictureBox_Click); } …

Developer technologies | VB
Developer technologies | Visual Studio | Other
asked 2023-06-20T22:23:31.92+00:00
José Carlos 886 Reputation points
edited a comment 2023-06-21T13:34:49.3333333+00:00
José Carlos 886 Reputation points
1 answer

C# Winform: How to develop merge column with Datagridview.

I am looking for assitance that how to merge few specific columns with Datagridview. i am attaching a picture. in the picture row which has Eric World that is data row from where data will be there in grid. please provide a sample code to design a grid…

Developer technologies | C#
asked 2023-02-22T13:38:32.3+00:00
T.Zacks 3,996 Reputation points
commented 2023-06-21T13:31:43.8166667+00:00
Lucius Domitius Aurelianus 10 Reputation points