54,097 questions with Developer technologies-related tags

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2 answers

How do I renew our ADT4T access?

I work in the IT Dept at a Community College, and we have access to ADT4T (Azure Dev Tools for Teaching), and one of the instructors says it need to be renewed. How do I renew it. I have clicked all around our Azure Portal, but I can't find it.

Developer technologies | Visual Studio | Setup
asked Jun 5, 2025, 7:58 PM
Billy Barber 0 Reputation points
answered Jul 31, 2025, 6:11 AM
Omkara Varshitha Kunapalli (INFOSYS LIMITED) 85 Reputation points Microsoft External Staff
0 answers

Visual Studio (17.14.9) .NET MAUI Blazor Application error: "Unable to start program 'open.exe'. The system cannot find the file specified."

I have upgraded Visual Studio from version 17.9.x to version 17.14.9. I then upgraded my .NET MAUI Blazor application from NET7 to NET9. I am only targeting Windows at the moment. The project/solution builds fine. However, when I attempt to run the…

Developer technologies | .NET | .NET MAUI
asked Jul 30, 2025, 9:51 AM
Yusuf Groenewald 0 Reputation points
commented Jul 31, 2025, 5:44 AM
Starry Night 5 Reputation points
0 answers

my computer is asking for a BitLocker recovery key but my account does not have one

my computer is asking for a BitLocker recovery key but my account does not have one

Developer technologies | Windows Forms
asked Jul 31, 2025, 2:04 AM
CHIANG LING CLAIRE 0 Reputation points
commented Jul 31, 2025, 5:23 AM
Varsha Dundigalla(INFOSYS LIMITED) 480 Reputation points Microsoft External Staff
1 answer One of the answers was accepted by the question author.

Add the extra empty lines

Hi, For table (tr td) lines on the page, how to add the extra empty lines below?

Developer technologies | ASP.NET | Other
asked Jul 31, 2025, 3:37 AM
Peter_1985 2,766 Reputation points
accepted Jul 31, 2025, 5:19 AM
Peter_1985 2,766 Reputation points
4 answers

if Task.Run runs a task in async then why and when i should write async in Task.Run(async () => {})

q1) does Task.Run creast async task? (it is writen it runs on  an other thread.) q2) if it does create async task then why and when we need Task.Run(async ()={}). pls explan with examples.

Developer technologies | ASP.NET | ASP.NET Core
asked Jul 12, 2025, 12:36 PM
rajesh yadav 231 Reputation points
edited a comment Jul 31, 2025, 5:13 AM
Danny Nguyen (WICLOUD CORPORATION) 650 Reputation points Microsoft External Staff
1 answer

Dotnet 9 apps blocked by Windows security Completely

Dotnet 9 applications unable to run as its blocked by Windows security. i tried with multiple simple applicaitons console all. all blocked,same app if i change to .net 8 then it works fine. I have visual studio, sdk ,os all updated to latest. Mostly…

Developer technologies | Visual Studio | Debugging
asked Apr 21, 2025, 8:09 AM
Anonymous
answered Jul 31, 2025, 4:31 AM
Son Pham 0 Reputation points
1 answer

Error: "The target process aborted before activation completed"

An old, simple UWP app has been in the store for a number of years. I updated some NuGet packages used by the app and a library referenced by the app today. The debug version still runs flawlessly exactly as before, but the release (i.e., .Net Native)…

Developer technologies | Universal Windows Platform (UWP)
asked Jul 30, 2025, 9:06 PM
Hong 1,246 Reputation points
edited an answer Jul 31, 2025, 3:51 AM
Harry Vo (WICLOUD CORPORATION) 320 Reputation points Microsoft External Staff
3 answers

.NET 9 OpenAPI document not generating at build time (Microsoft.Extensions.ApiDescription.Server)

Hi all, I'm working on a .NET 9 web API project and I'm trying to generate an OpenAPI document at build time, as described in the official documentation here:…

Developer technologies | ASP.NET | ASP.NET API
asked Apr 15, 2025, 3:10 PM
Nick Diplos 0 Reputation points
answered Jul 31, 2025, 3:15 AM
Danny Nguyen (WICLOUD CORPORATION) 650 Reputation points Microsoft External Staff
1 answer

Exception thrown: 'System.NotImplementedException' in Plugin.BLE.dll Exception thrown: 'System.NotImplementedException' in Plugin.BLE.dll An exception of type 'System.NotImplementedException' occurred in Plugin.BLE.dll but was not handled in user code

I am migrating my project from Xamarin forms to Maui.In my project we have Bluetooth functionality implemented using Plugin.BLE. We didn't used Plugin.BLE nuget package instead we used plugin.Ble source code like projects . We are adding those projects…

Developer technologies | .NET | .NET MAUI
asked May 23, 2025, 3:10 PM
Sk 66 Reputation points
commented Jul 31, 2025, 2:45 AM
Michael Le (WICLOUD CORPORATION) 920 Reputation points Microsoft External Staff
1 answer

IOS -Tabbar not showing after navigating from a contentpage where Shell.TabBarIsVisible="False"

I am navigating from a page where Shell.TabBarIsVisible="False" as its requirement , the page is not showing TabBar in further pages. I tried setting Shell.TabBarIsVisible="True" but not working for following pages. If these pages…

Developer technologies | .NET | .NET MAUI
asked May 8, 2025, 4:29 PM
Shraddha Chauhan 0 Reputation points
commented Jul 31, 2025, 2:42 AM
Michael Le (WICLOUD CORPORATION) 920 Reputation points Microsoft External Staff
2 answers

Unexpected Error with MapRouteFinder in UWP App

Encountering an issue with the Bing Maps in a Microsoft UWP app when attempting to render a path. An "Unspecified error" is returned when passing the following four waypoints to the Bing Maps API via the…

Developer technologies | Universal Windows Platform (UWP)
asked Jul 29, 2025, 10:24 AM
Lokender Tiwari 0 Reputation points
edited a comment Jul 31, 2025, 2:19 AM
Harry Vo (WICLOUD CORPORATION) 320 Reputation points Microsoft External Staff
0 answers

What is the difference if any...?

I normally leave the framework headers arranged by the default template, and add all other headers after. For example, #include <vector> #include <algorithm> #include <iterator> follows #include "targetver.h" #define…

Developer technologies | C++
asked Jul 31, 2025, 12:37 AM
CDev-8220 405 Reputation points
0 answers

How do I put touchscreen on my chromebook, if its my schools?

All of my schools chromebooks are built in with touchscreen and for some reason mine won't work. I tried the search and shift then press t hack but it still wont work. pls help me

Developer technologies | .NET | .NET CLI
asked Jul 31, 2025, 12:17 AM
Serenity Kingsley 0 Reputation points
1 answer

The remote certificate is invalid according to the validation procedure.

The remote certificate is invalid according to the validation procedure. I am getting this error on the IIS server while making a web API call to external web service in C# and ASP.Net. if i run the code on my local Visual Studio, I am not getting that…

Windows development | Internet Information Services
Developer technologies | C#
asked Oct 6, 2021, 2:42 AM
Vinisha 1 Reputation point
answered Jul 30, 2025, 11:56 PM
Hu Linning 0 Reputation points
1 answer

Visual Studio Subscription Expired, stuck in read-only mode. Need to move VM

I have a Windows VM under the Visual Studio Enterprise Subscription.  The subscription just expired, and is now disabled. When I try to move it to another subscription, I get this error: Anytime I try to submit a support ticket after answering a…

Developer technologies | Visual Studio | Other
asked Jul 21, 2025, 11:05 PM
Gavilan, John 0 Reputation points
edited the question Jul 30, 2025, 11:49 PM
Gérard Oomens 104.2K Reputation points Volunteer Moderator
0 answers

Deploying app to remote machine stuck at "Installing missing frameworks..."

I have tried two different unrelated UWP apps and got the same result. When I try to run a UWP app on a remote machine, VS gets stuck at: Creating a new clean layout... Copying files: Total 403 mb to layout... Checking whether required frameworks are…

Developer technologies | Universal Windows Platform (UWP)
asked Jul 30, 2025, 10:39 PM
Hong 1,246 Reputation points
1 answer

HTTP Error 500.1001;How to solve it

Developer technologies | .NET | Other
asked Jul 30, 2025, 12:10 PM
家豪 郑 0 Reputation points
answered Jul 30, 2025, 7:46 PM
Bruce (SqlWork.com) 78,751 Reputation points Volunteer Moderator
1 answer

Setting a Datetime to null

I'm reading in data from a table. For each field I check to see if the value is null and how to handle it. Some of the DateTime fields can be null, see a field for when a request has been reassigned. Here's the code I have below. public static DateTime?…

Developer technologies | C#
asked Jul 30, 2025, 3:02 PM
Brown, Matt 126 Reputation points
commented Jul 30, 2025, 7:34 PM
Viorel 123.2K Reputation points
2 answers

Why does DI container retain references to transient instances that are IDisposable?

https://learn.microsoft.com/en-us/dotnet/core/extensions/dependency-injection-guidelines#disposable-transient-services-captured-by-container says, "by default the DI container will hold onto these references, and not Dispose() of them until the…

Developer technologies | C#
asked Jun 30, 2025, 7:50 PM
Chuck Krutsinger 1 Reputation point
answered Jul 30, 2025, 7:26 PM
Chuck Krutsinger 1 Reputation point
1 answer

Razor Component Return Html but not Data from api call until page refresh manually

Hello There, blazor Web App .net 8 Interactive Render Mode Auto. sometimes, page load in razor in blazor wasm side the html content appears correctly but api doesnt get called and data not get loaded but I can see in command prompt window ef core…

Developer technologies | .NET | Blazor
asked Jul 29, 2025, 5:12 AM
Prathamesh Shende 471 Reputation points
edited an answer Jul 30, 2025, 6:50 PM
Bruce (SqlWork.com) 78,751 Reputation points Volunteer Moderator