4,032 questions
0 answers
We are facing .NET MAUI deployment issues, need some help.
Hello Community, We are trying to get our VS Xamarin App migrated to .NET (9) MAUI. Build for each sub project and main entire project fails with the following error. Need some help to get our app going from Xamarin forms to MAUI. Unable to get…
Developer technologies | .NET | .NET MAUI
asked Jul 21, 2025, 10:30 PM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(96, 46%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EIP%3C/text%3E%3C/svg%3E)
Imran Pathan
0
Reputation points
asked Jul 21, 2025, 10:30 PM
Imran Pathan
0
Reputation points
3 answers
One of the answers was accepted by the question author.
Visual Studio 2013 license not working after move to new machine
Purchased Visual Studio Professional 2013 back in 2013 or 2014. Installed on a laptop. Never installed on any other device. Ancient laptop is close to death, so I started moving to a new Windows 11 laptop. I installed VS 2013 from the original DVDs a…
Developer technologies | Visual Studio | Setup
1,214 questions
asked Jul 18, 2025, 5:05 PM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(67.2, 28.999999999999996%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECC%3C/text%3E%3C/svg%3E)
Clark Coleman
20
Reputation points
answered Jul 21, 2025, 9:23 PM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(150.4, 63%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHG%3C/text%3E%3C/svg%3E)
HARDCORE GAMES™
175
Reputation points
1 answer
One of the answers was accepted by the question author.
Can ClosedXML be used in a Visual Studio developed .Net9 Blazor Webassembly app?
I have read conflicting statements about whether ClosedXML can be used in a Blazor Webassembly app. A Google seacrh of "can Closedxml be used in a Blazor WASM app c#" produces an AI response of "yes" though with caveats about…
Developer technologies | Visual Studio | Other
5,465 questions
asked Jul 19, 2025, 2:23 PM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 55.00000000000001%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESR%3C/text%3E%3C/svg%3E)
Steve Rehling
165
Reputation points
accepted Jul 21, 2025, 9:11 PM
Steve Rehling
165
Reputation points
2 answers
c# windows form definition for abstract class
I'm creating a number of abstract classes. One represents a production ticket with a number of parameters such as number of items to test, part number, electrical values, etc. My background is in embedded coding so I'm not 100% sure the most efficient…
Developer technologies | C#
11,585 questions
asked Jun 17, 2025, 10:21 PM
mjeschke
40
Reputation points
commented Jul 21, 2025, 7:10 PM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(92.8, 7.000000000000001%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMJ%3C/text%3E%3C/svg%3E)
Matthew Jeschke
20
Reputation points
1 answer
why abc4j can not parse the file?
I am using .net android and add the package : abc4j to parse music file. but there is error and I can not parse it. this is the music file: p.txt
Developer technologies | .NET | .NET MAUI
4,032 questions
asked Jul 18, 2025, 9:04 AM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(310.4, 2%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM%3C/text%3E%3C/svg%3E)
mc
5,591
Reputation points
answered Jul 21, 2025, 6:06 PM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(3.2, 52%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERC%3C/text%3E%3C/svg%3E)
Rob Caplan - MSFT
6,037
Reputation points Microsoft Employee
Moderator
0 answers
Crash on mouse over of Cesium map when using asp.net scriptmanager
I have an [asp.net] project using web forms. The aspx page has a Cesium map and crashes when you mouse over it but only if the page also contains the asp:ScriptManager element. If the ScriptManager element is removed, the page does not crash on mouse…
Developer technologies | ASP.NET | Other
3,603 questions
asked Jul 21, 2025, 5:44 PM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(188.79999999999998, 13%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EC%3C/text%3E%3C/svg%3E)
CantThinkOfAName
0
Reputation points
edited the question Jul 21, 2025, 5:50 PM
CantThinkOfAName
0
Reputation points
2 answers
One of the answers was accepted by the question author.
Windows application specific's registry key
I need a place to put configuration for my Win32 application inside the registry. Where it is should be? Are there multiple places to store application-specific registry?
Windows development | Windows API - Win32
2,794 questions
Windows for business | Windows Client for IT Pros | User experience | Other
Developer technologies | C++
3,981 questions
asked Oct 4, 2022, 4:30 AM
thebluetropics
1,046
Reputation points
answered Jul 21, 2025, 5:15 PM
Nick Roberts
0
Reputation points
2 answers
How to use existing Visual Studio subscription/license on new laptop
Several years ago I purchased a subscription for microsoft visual studio profesional and am still paying monthly. The laptop I was using Visual Studio 2019 on is no longer functioning. However, I have the hard drive from the old laptop in my new laptop.…
Developer technologies | Visual Studio | Setup
1,214 questions
asked Jul 10, 2025, 1:39 PM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(204.8, 59%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDJ%3C/text%3E%3C/svg%3E)
Duffy, John
0
Reputation points
commented Jul 21, 2025, 5:11 PM
Duffy, John
0
Reputation points
1 answer
One of the answers was accepted by the question author.
How can sales and commissions be calculated based on multiple conditions?
I want to extract commission from sales using multiple conditions using LINQ query. Here different types of commission are assigned on different sales values. I need this in my report sheet. If any experienced person could help me, I would be benefited.…
Developer technologies | ASP.NET | ASP.NET Core
4,830 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(300.8, 44%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJ%3C/text%3E%3C/svg%3E)
1 answer
The correct CChildFrame is not activated after the predecessor is closed.
MFC MDI application. Opened several CChildFrame s. (To illustrate better my issue I identified every CChildFrame with an unique id.) Opened, lets say, 5 CChildFrame. 1, 2, 3, 4, 5. List the order of the CChildFrame by menu: About: List…
Developer technologies | C++
3,981 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(297.6, 64%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EF%3C/text%3E%3C/svg%3E)
2 answers
One of the answers was accepted by the question author.
Is it still the case that a Blazor WebAssembly cannot reference a Blazor Server-Side project?
I'm working on rewriting an old ASP.NET WebForms app. I've created an ASP.NET Core Blazor app using .NET 9, with both a server-side project and a WebAssembly (Client) project. The server-side project has the Home page and allows the user to change the…
Developer technologies | ASP.NET | ASP.NET Core
4,830 questions
asked Jul 17, 2025, 8:24 PM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(214.4, 35%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EFR%3C/text%3E%3C/svg%3E)
Falanga, Rod, DOH
290
Reputation points
commented Jul 21, 2025, 3:20 PM
Falanga, Rod, DOH
290
Reputation points
0 answers
.net Maui: use of 'ShellContent' to pass a parameter
Thank you in advance for your time and help Is somewhere out there helping a pretty old hobby developer on .net maui GIT: https://github.com/edikaufmann/RandoJson (public). I'm still struggling to dynamically call the appropriate .json data based…
Developer technologies | XAML
860 questions
asked Jul 21, 2025, 3:02 PM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(268.8, 94%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EEK%3C/text%3E%3C/svg%3E)
Eduard Kaufmann
311
Reputation points
asked Jul 21, 2025, 3:02 PM
Eduard Kaufmann
311
Reputation points
3 answers
Error In Update Record (The instance of entity type 'x' cannot be tracked)
I have this error when update record in RoleRepository.cs. i use AsNoTracking but show error again The instance of entity type 'ApplicationRole' cannot be tracked because another instance with the same key value for {'Id'} is already being tracked.…
Developer technologies | .NET | Entity Framework Core
780 questions
asked Feb 20, 2022, 11:47 AM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(240, 92%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EME%3C/text%3E%3C/svg%3E)
Mahdi Elahi
31
Reputation points
commented Jul 21, 2025, 1:46 PM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(297.6, 53%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAP%3C/text%3E%3C/svg%3E)
AnilKumar Pelluri
0
Reputation points
1 answer
Help fixing template logging code
In the line return $log, "testVoid4"; I'm getting this compile error: 'void' function returning a value I don't understand why when $log, is called with just a single argument void_wrapper is returning anything else than void. How I could make…
Developer technologies | C++
3,981 questions
asked Jul 16, 2025, 6:42 AM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(172.8, 52%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EL%3C/text%3E%3C/svg%3E)
Lilo
40
Reputation points
commented Jul 21, 2025, 1:16 PM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(163.2, 69%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVD%3C/text%3E%3C/svg%3E)
Varsha Dundigalla(INFOSYS LIMITED)
245
Reputation points Microsoft External Staff
1 answer
Emails with Undeliverable Subject don't get saved on a text File
Hi, I would like to ask if this is intended or a bug. I'm currently working on a program wherein all of the bounced emails (specifically undelivered emails) will be caught and then fetch the email addresses of the recipient of the undelivered emails…
Developer technologies | C#
11,585 questions
asked Jul 16, 2025, 4:29 AM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(166.4, 90%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EEL%3C/text%3E%3C/svg%3E)
Emmanuel Legaspi
0
Reputation points
answered Jul 21, 2025, 1:14 PM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(211.20000000000002, 69%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMT%3C/text%3E%3C/svg%3E)
Muskan Tomar
150
Reputation points Microsoft Employee
1 answer
Microsoft - Graph - Batch API - Getting 429 Too Many Requests error
I have created a website where user's will authenticate and grant Calendar events - Read/Write access. My application will create events for the user based on the user's schedule. Here some times user might have more than 100 records also. I'm using…
Developer technologies | C#
11,585 questions
asked Jun 30, 2025, 10:24 AM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(76.8, 5%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESS%3C/text%3E%3C/svg%3E)
Shravan Samboju
0
Reputation points
answered Jul 21, 2025, 1:11 PM
Muskan Tomar
150
Reputation points Microsoft Employee
4 answers
Access database set Default Value of a short text field of another short text field
Hi there I have an access database with a short text field called TM Description. I have created another short text field called BrandingDescription that I want to set the Default Value to the text entered in TM Description, ie the two fields would show…
Developer technologies | VB
2,895 questions
asked Jul 17, 2025, 1:56 AM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(28.799999999999997, 52%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EEW%3C/text%3E%3C/svg%3E)
Emily Williams
0
Reputation points
answered Jul 21, 2025, 1:10 PM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(179.20000000000002, 84%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EML%3C/text%3E%3C/svg%3E)
Michael Larkins
0
Reputation points
0 answers
ASP.NET Core Web API with Google Cloud
Hello Developer's, I'm builded a .NET Core Web API using .NET 8. And I'm interested to use Google Cloud Operation Suite for Logs Monitoring and Logging Purposes. Is there any references which I can follow and suggestions how to integrate .NET Core with…
Developer technologies | ASP.NET | ASP.NET API
449 questions
asked Jul 21, 2025, 11:00 AM
Vivek Barnwal
26
Reputation points
asked Jul 21, 2025, 11:00 AM
Vivek Barnwal
26
Reputation points
2 answers
Making a Blazor WebAssembly E-commerce Application Responsive with Flexbox
A Blazor WebAssembly e-commerce application has been built, but the design looks good only on a 23-inch 1920x1080 laptop. The layout includes a header, a left navigation menu, and a footer that is consistent across all pages. The goal is to make this…
Developer technologies | ASP.NET | ASP.NET Core
4,830 questions
Developer technologies | .NET | Blazor
1,675 questions
asked Dec 31, 2024, 8:20 AM
Cenk
1,036
Reputation points
commented Jul 21, 2025, 10:36 AM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(0, 98%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERH%3C/text%3E%3C/svg%3E)
Raymond Huynh (WICLOUD CORPORATION)
315
Reputation points Microsoft External Staff
2 answers
System.NullReferansException:
I would like to insert product but SelectListItem returned true Can you help me? It will make me crazy
Developer technologies | ASP.NET | ASP.NET Core
4,830 questions
asked Dec 20, 2024, 6:41 AM
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(19.2, 50%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECV%3C/text%3E%3C/svg%3E)
Case Ventil
0
Reputation points
commented Jul 21, 2025, 10:30 AM
Raymond Huynh (WICLOUD CORPORATION)
315
Reputation points Microsoft External Staff