3,609 questions with Developer technologies | ASP.NET | Other tags

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2 answers

Faield to start deployed web application

hello community, I am a beginner in WEB application development. During my first trial, I met with an issue when start the deployed web application onto IIS running on Windows 11. The situation is, I get below error when open the application in the…

Developer technologies | ASP.NET | Other
asked 2025-06-30T13:15:01.37+00:00
Robert Balogh 0 Reputation points
commented 2025-08-12T03:31:07.46+00:00
Danny Nguyen (WICLOUD CORPORATION) 725 Reputation points Microsoft External Staff
3 answers

Fix "AADSTS500112" in "Azure Container App" running asp.net with Identity

I am encounter error "AADSTS500112" in an asp.net running in azure container app behind an ingress which is handing SSL termination. This means that all address are coming in as https and the ingress is forwarding http to port 8080. The Azure…

Developer technologies | ASP.NET | ASP.NET Core
Developer technologies | ASP.NET | Other
asked 2025-02-08T17:54:19.3966667+00:00
Kelvin Hoover 5 Reputation points
edited an answer 2025-08-12T03:18:42.8666667+00:00
Raymond Huynh (WICLOUD CORPORATION) 620 Reputation points Microsoft External Staff
2 answers

IIS MVC web app gets 404.0 error when opening first view page

I built an MVC web application (about a dozen view pages) that is working fine when run from the VS.net 2019 designer IIS Express, but when I deploy the app to local IIS and run it, I get error... HTTP Error 404.0 - Not Found The resource you are…

Developer technologies | ASP.NET | Other
asked 2025-02-14T17:50:30.9833333+00:00
Jay Gunderson 0 Reputation points
commented 2025-08-12T03:12:17.28+00:00
Danny Nguyen (WICLOUD CORPORATION) 725 Reputation points Microsoft External Staff
1 answer

IDA code works perfect on local but not on server

Hello Team, we have written a code for linking our asp.net application through ad account by OpenIdConnect . This works perfectly on local environment but while deploying on server it throws task canceled error . A task was canceled. Description: An…

Developer technologies | ASP.NET | Other
asked 2025-02-18T12:42:58.89+00:00
Suchita jain 0 Reputation points
commented 2025-08-12T03:11:08.0233333+00:00
Danny Nguyen (WICLOUD CORPORATION) 725 Reputation points Microsoft External Staff
2 answers

have problem with this site, can you help please?

Erreur du serveur dans l'application '/'. Le format de la chaîne d'entrée est incorrect. __Description :__Une exception non gérée s'est produite au moment de l'exécution de la demande Web actuelle. Contrôlez la trace de la pile pour plus d'informations…

Developer technologies | ASP.NET | Other
asked 2025-08-09T09:27:37.7266667+00:00
guy ranger 0 Reputation points
commented 2025-08-11T10:15:14.91+00:00
Raymond Huynh (WICLOUD CORPORATION) 620 Reputation points Microsoft External Staff
5 answers

Blazor and ValidationGroups

I am in ASP.NET since the first version of .NET Framework and I am used to some features that are missing now. Please notice that I've just recently moved to Blazor. Currently, I am wondering why the ValidationGroups are not part of it. I have a kind…

Developer technologies | ASP.NET | ASP.NET Core
Developer technologies | .NET | Blazor
Developer technologies | ASP.NET | Other
asked 2025-01-04T13:22:46.66+00:00
Kuler Master 406 Reputation points
commented 2025-08-11T08:54:13.3933333+00:00
Jack Dang (WICLOUD CORPORATION) 1,020 Reputation points Microsoft External Staff
5 answers

Multiple App.Razor components

Hello, Is it possible to have an additional App.razor file that I can use for e.g. Admin area only? Currently, if I create a new folder named Admin and create a new layout there, it inherits from the existing App.razor and linked css files. Basically, I…

Developer technologies | ASP.NET | ASP.NET Core
Developer technologies | .NET | Blazor
Developer technologies | ASP.NET | Other
asked 2025-01-31T08:47:54.43+00:00
Kuler Master 406 Reputation points
commented 2025-08-11T07:44:39.7666667+00:00
Jack Dang (WICLOUD CORPORATION) 1,020 Reputation points Microsoft External Staff
2 answers

Form layout issue

Hi, Any existing form sample to have the 3 parts below on a form that we can have the different details inside each?

Developer technologies | ASP.NET | Other
asked 2025-08-08T09:04:08.6266667+00:00
Peter_1985 2,786 Reputation points
answered 2025-08-11T03:16:17.9333333+00:00
Jack Dang (WICLOUD CORPORATION) 1,020 Reputation points Microsoft External Staff
4 answers

How to convert Wordpress website to ASP.net web form?? is it possible??

We don't have the source code for the WordPress website. We got the code from the inspect-->view page source method. We just pasted the code in Visual studio and it's working but the problem is we were unable to separate the CSS and script file. As…

Windows for business | Windows Client for IT Pros | User experience | Other
Developer technologies | Visual Studio | Other
Developer technologies | ASP.NET | Other
asked 2023-04-25T07:18:03.89+00:00
Anitha Sivakumar 0 Reputation points
answered 2025-08-09T04:30:23.0533333+00:00
controller works 0 Reputation points
2 answers

When we will update on the next version of MVC5.3.0 if there is no updates on the version please provide documentation for that.

Hi please provide the relavent info regarding the ASP.NET MVC 5.3.0 is there any updated on version if not please provide the documentation. Regards vinayak

Developer technologies | ASP.NET | ASP.NET API
Developer technologies | ASP.NET | Other
asked 2025-01-31T07:08:06.0033333+00:00
Vinayak Padamata 0 Reputation points
commented 2025-08-08T17:12:41.8633333+00:00
Bruce (SqlWork.com) 79,101 Reputation points Volunteer Moderator
3 answers

How can I migrate the web app built using ASP.NET Web Forms .NET Framework 4.7.1 to .NET Core 8?

Can someone please help me out with the migration steps for upgrading the web app from ASP.NET Web Forms .NET Framework 4.7.1 to .NET Core 8. I tried to use .NET Upgrade Assistant, but is seems like this extensions doesn't supports for Web Forms. …

Developer technologies | ASP.NET | Other
asked 2025-08-01T09:17:10.04+00:00
Vivek Barnwal 26 Reputation points
commented 2025-08-08T10:32:01.95+00:00
Jack Dang (WICLOUD CORPORATION) 1,020 Reputation points Microsoft External Staff
3 answers

Validating user's input format is not working

Our requirement is to ask users to create a password with the following format: First letter of firstname+First letter of lastname+2 digits of month+2 digits of day+4 digits of year. For instance, a user with the name of John Doe, born January 1, 1900…

Developer technologies | VB
Developer technologies | ASP.NET | Other
asked 2025-02-18T23:08:28.06+00:00
Simflex 326 Reputation points
commented 2025-08-07T10:33:40.5733333+00:00
Danny Nguyen (WICLOUD CORPORATION) 725 Reputation points Microsoft External Staff
6 answers

Log out when the browser or tab is closed (Asp Net + Mvc + Framework 5.4.1)

Hello, I would like my project to log out when closing the browser (Edge) or when closing the Tab that contains it. The program is in ASP.NET with MVC and Framework 4.5.1. Now I have inserted this script in _Layout.chtml <script…

Developer technologies | ASP.NET | Other
asked 2022-05-09T08:50:48.573+00:00
Anto BAro 86 Reputation points
answered 2025-08-05T14:15:15.36+00:00
Aaron 0 Reputation points
2 answers One of the answers was accepted by the question author.

How to stop just one web application running under "Default Web Site" in IIS 10?

I have IIS 10 running several web applications under "Default Web Site" I want to just bring down one application. How do i do that? This is an asp.net web forms web application running .net framework 4.8 Note: I am not wanting to shut down…

Windows development | Internet Information Services
Developer technologies | ASP.NET | Other
asked 2024-06-06T14:47:28.0966667+00:00
techthiru 40 Reputation points
commented 2025-08-06T20:43:26.3433333+00:00
Michael Taylor 60,601 Reputation points
2 answers

Implementing mTLS Between Two Apps Using ASP.NET

Guidance is requested on implementing mTLS between two applications using ASP.NET MVC in C#. or any .net code. The setup will involve a handshake between the server app and client app, developed in a localhost environment, utilizing OpenSSL or another…

Developer technologies | ASP.NET | ASP.NET Core
Developer technologies | ASP.NET | ASP.NET API
Developer technologies | ASP.NET | Other
asked 2025-01-07T13:20:51.7133333+00:00
Abdul Baba Syed 21 Reputation points
commented 2025-08-05T10:48:23.0433333+00:00
Raymond Huynh (WICLOUD CORPORATION) 620 Reputation points Microsoft External Staff
3 answers

Validate file content type for txt, log, JSON file in C#

public static bool IsFileValid(IFormFile file) { using (var reader = new BinaryReader(file.OpenReadStream())) { var signatures = _fileSignatures.Values.SelectMany(x => x).ToList(); // flatten all signatures to single list var headerBytes =…

Developer technologies | ASP.NET | ASP.NET Core
Microsoft 365 and Office | Development | Office JavaScript API
Developer technologies | .NET | Other
Developer technologies | ASP.NET | Other
Developer technologies | C#
asked 2025-01-08T17:16:17.0733333+00:00
Surajit Kumar Shah 0 Reputation points
commented 2025-08-07T02:48:24.16+00:00
Danny Nguyen (WICLOUD CORPORATION) 725 Reputation points Microsoft External Staff
2 answers

ASP.NET web site fail to critical error in ETL of Excel file

I have a website with a single web page on ASP.NET that you need to upload a file in Excel to a folder within the website, extract its contents to insert the data into a table in a database in SQL Server. When testing its operation on the production web…

Windows development | Internet Information Services
Microsoft 365 and Office | Excel | For business | Windows
Developer technologies | ASP.NET | Other
asked 2025-01-15T21:44:17.87+00:00
Nelson Javier Bahamon Parrado 0 Reputation points
commented 2025-08-07T10:32:33.47+00:00
Danny Nguyen (WICLOUD CORPORATION) 725 Reputation points Microsoft External Staff
4 answers

How to use ASP.NET Code Behind to launch FileUpload

Is it possible to include an asp:Button with OnClick=DoFileUpload_Click, and the method runs whatever to launch the FileUpload class?

Developer technologies | .NET | Other
Developer technologies | ASP.NET | Other
asked 2025-01-22T01:45:28.4866667+00:00
Coreysan 1,811 Reputation points
commented 2025-08-06T10:58:52.5333333+00:00
Jack Dang (WICLOUD CORPORATION) 1,020 Reputation points Microsoft External Staff
5 answers

How to load jquery autocomplete dropdown box from an external WEB API

Good day everybody: I have an external web api which returns a label, value records needed for a client application app.MapGet("/AsyncAutocompleteErf/{search}", async (IErvenRepository request, string search) => { var data = await…

Developer technologies | ASP.NET | ASP.NET Core
Microsoft 365 and Office | Development | Office JavaScript API
Developer technologies | ASP.NET | Other
asked 2025-02-06T10:32:43.52+00:00
Jose Daniel Navarro Brito 61 Reputation points
answered 2025-08-07T10:12:14.1033333+00:00
Raymond Huynh (WICLOUD CORPORATION) 620 Reputation points Microsoft External Staff
1 answer

hello, sql server report not load after add content security policy header in my Asp.net mvc project

Hello, I am adding below line in my asp.net web project in Web.config file. 'SSRS dll not register in project' error show in report viewer After adding this line Content-Security-Policy: default-src 'self'; style-src 'self'; script-src 'self'…

Developer technologies | ASP.NET | Other
asked 2025-08-02T16:55:16.8566667+00:00
Mrunali Patil 0 Reputation points
commented 2025-08-07T10:22:54.98+00:00
Raymond Huynh (WICLOUD CORPORATION) 620 Reputation points Microsoft External Staff