ASP.NET Core Training
ASP.NET Core: A set of technologies in the .NET Framework for building web applications and XML web services.Training: Instruction to develop new skills.
37 questions
1 answer
Why are the tags related to ASP.NET and C# not shown?
Why are the tags related to ASP.NET and C# not shown? Result:
asked 6 Mar 2025, 3:33 am
SurferOnWww
3,886
Reputation points
commented 6 Mar 2025, 7:36 am
SurferOnWww
3,886
Reputation points
1 answer
Facing an issue with cookieless Forms Authentication in an ASP.NET sub-application that is integrated with a main application built in Python
Hello, We are facing an issue with cookieless Forms Authentication in an ASP.NET sub-application that is integrated with a main application built in Python. The main application (Python) and sub-application (ASP.NET) work together.The ASP.NET…
asked 21 Feb 2025, 5:57 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(316.8, 10%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAK%3C/text%3E%3C/svg%3E)
Akshayaa Kalyanavenkatesh
0
Reputation points
commented 6 Mar 2025, 3:55 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(70.4, 11%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPM%3C/text%3E%3C/svg%3E)
Pradeep M
6,315
Reputation points Microsoft External Staff
1 answer
to use Tag like windows desktop software
i am working on a aspx page translet a windows desktop ssoftware using vb.net is it posible to use use tag like in like in windows desktop software by design the aspx page <asp:TextBox ID="Txt1_0"…
asked 5 Mar 2025, 7:41 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(195.2, 82%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ES%3C/text%3E%3C/svg%3E)
Simon
386
Reputation points
answered 6 Mar 2025, 3:51 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(150.4, 0%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EXP%3C/text%3E%3C/svg%3E)
XuDong Peng-MSFT
11,501
Reputation points Microsoft External Staff
0 answers
How to fix "Operation is not valid due to the current state of the object."
When I use aspnet-codegenerator I get this error even though I could use it normally before. How can I fix it? Thank you everyone !!
asked 1 Mar 2025, 1:10 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(246.4, 48%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDN%3C/text%3E%3C/svg%3E)
Dũng Tiến
0
Reputation points
commented 6 Mar 2025, 2:15 am
XuDong Peng-MSFT
11,501
Reputation points Microsoft External Staff
5 answers
One of the answers was accepted by the question author.
export a gridview to a pdf or to excel file
in aspx page and i am using vb.net how can i export a gridview to a PDF or to Excel file thamks in advence
asked 2 Mar 2025, 10:48 pm
Simon
386
Reputation points
commented 6 Mar 2025, 1:58 am
XuDong Peng-MSFT
11,501
Reputation points Microsoft External Staff
2 answers
One of the answers was accepted by the question author.
How to invalidate ".AspNet.Cookies" cookie on logout?
I have a .net application deployed to Azure. A penetration test finding called "Session Not Invalidated After Logout" is found. When an API Get request is sent along with .AspNet.Cookies while user is logged in, a successful response is…
asked 16 Jul 2024, 11:05 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(313.6, 13%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAB%3C/text%3E%3C/svg%3E)
Abhishek, Burra
30
Reputation points
commented 5 Mar 2025, 2:43 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(252.8, 75%, 34%)' 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)
Müller Matthias
0
Reputation points
1 answer
aspx how to to format a column as Currency
i am working on aspx page it is connected to sql my code is vb.net in a GridView column payment how can i format in code this column as Currency Thanks in advence
asked 4 Mar 2025, 8:46 pm
Simon
386
Reputation points
answered 5 Mar 2025, 2:30 am
XuDong Peng-MSFT
11,501
Reputation points Microsoft External Staff
1 answer
Visual Studio 2022 Enterprise cannot create an ASP.NET using .NET8
I use Visual Studio 2022 Enterprise. Try to create an ASP.NET Web application using .NET8 framework. However, .NET8 is not listed in "Targeted framework drop list". How to create an ASP.NET Web Applicaiton using .NET8 framework? How to…
asked 28 Feb 2025, 4:55 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(99.2, 9%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELX%3C/text%3E%3C/svg%3E)
Lu, Xinghua
0
Reputation points
edited the question 4 Mar 2025, 1:46 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(73.60000000000001, 90%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EZL%3C/text%3E%3C/svg%3E)
Zhi Lv - MSFT
33,146
Reputation points Microsoft External Staff
0 answers
How to setup and access an ftp server in Windows Server 2019 with vb.net code?
I have written an app using webforms in visual studio 2019. I have setup a Windows Server 2019 on a server. With IIS, I am able to access my WebForms.aspx from the internet ok. I made an FTP server website, and also added ftp services to my first website…
![](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(233.6, 83%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EB%3C/text%3E%3C/svg%3E)
1 answer
Browser unable to use certificate
Hi All, I cloned project code from Azure Repo, installed certificates, configured Project Web Properties, configured applicationhost.config, setup SSL URL in IIS using certificate Thumbprint. My project builds successfully, but application fails to load…
asked 25 Feb 2025, 9:53 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(185.6, 28.000000000000004%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESG%3C/text%3E%3C/svg%3E)
Swapnil Giram
0
Reputation points Microsoft Employee
commented 3 Mar 2025, 10:38 am
Pradeep M
6,315
Reputation points Microsoft External Staff
1 answer
.NET 9 Open API Migration not returning the API Schema
I am migrating a .NET 6 API application to .NET 9. Installed the Microsoft.AspNetCore.OpenApi and Microsoft.Extensions.ApiDescription.Server packages with version 9.0.2. I am keeping the Swashbuckle.AspNetCore 6.5.0 for the UI experience. Here is the…
asked 25 Feb 2025, 10:48 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, 51%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDD%3C/text%3E%3C/svg%3E)
Divakaran, D (Dipu)
0
Reputation points
commented 3 Mar 2025, 4:19 am
Pradeep M
6,315
Reputation points Microsoft External Staff
3 answers
Prepare code to fetch data from mock server does not seem to work
Hi! I am working through this Exercise: https://learn.microsoft.com/en-us/training/modules/build-web-api-minimal-spa/5-exercise-create-api. After starting the Mock Server (I can see in the Browser that it is running) The Website has the error: Unexpected…
asked 28 May 2024, 7:02 pm
Frank Geisler
21
Reputation points MVP
commented 3 Mar 2025, 4:08 am
Pradeep M
6,315
Reputation points Microsoft External Staff
1 answer
messaging the provider in Asp.net
i have a task to write a code that can message X number of provider for example via SMS or Email. and it has to be by using "TryAddTransient". Any solutions for that? maybe it seems simple but i just started to learn Asp.
asked 25 Feb 2025, 10:58 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(220.8, 26%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBA%3C/text%3E%3C/svg%3E)
Behnam akbary
0
Reputation points
edited an answer 3 Mar 2025, 1:37 am
XuDong Peng-MSFT
11,501
Reputation points Microsoft External Staff
2 answers
One of the answers was accepted by the question author.
WebAuthn, Fido2 in ASP. Net
Can anyone point me to documentation and or code examples for WebAuthn and Fido2 for Multi Factor authentication? Coding in ASP.Net C# Thanks
ASP.NET
ASP.NET
A set of technologies in the .NET Framework for building web applications and XML web services.
3,598 questions
Visual Studio
Visual Studio
A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.
5,447 questions
asked 7 Nov 2022, 7:57 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(217.60000000000002, 12%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPN%3C/text%3E%3C/svg%3E)
Palmer, Neil
21
Reputation points
answered 2 Mar 2025, 7:15 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(102.4, 39%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ES%3C/text%3E%3C/svg%3E)
sufc
0
Reputation points
1 answer
Blazor server logout on SignalR connection break
My Blazor server-side application logs out the user whenever the SignalR connection breaks. For example, when I lock my phone for half an hour and then return to the site, I'm logged out. How can I prevent this from happening?
asked 19 Jun 2024, 8:07 pm
Mrbanad
30
Reputation points
commented 1 Mar 2025, 11:32 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, 61%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBS%3C/text%3E%3C/svg%3E)
Bruce (SqlWork.com)
71,941
Reputation points
1 answer
Post migrating from Azure to on-premises our Development and Production servers, our .NET API, Angular site throwing Azure CLI authentication failure issue
An error occurred while starting the application. CredentialUnavailableException: EnvironmentCredential authentication unavailable. Environment variables are not fully configured. Azure.Identity.CredentialDiagnosticScope.FailWrapAndThrow(Exception…
asked 27 Feb 2025, 4:34 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(272, 73%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKK%3C/text%3E%3C/svg%3E)
Kumar, Kiran
0
Reputation points
answered 28 Feb 2025, 9:21 pm
Bruce (SqlWork.com)
71,941
Reputation points
4 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…
asked 31 Jan 2025, 8:47 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(131.20000000000002, 77%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKM%3C/text%3E%3C/svg%3E)
Kuler Master
406
Reputation points
commented 28 Feb 2025, 5:22 pm
Bruce (SqlWork.com)
71,941
Reputation points
4 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…
asked 31 Jan 2025, 8:47 am
Kuler Master
406
Reputation points
commented 28 Feb 2025, 5:22 pm
Bruce (SqlWork.com)
71,941
Reputation points
4 answers
Need assistance and git hub code for multifactor authentication in core mvc or mvc project.
Need assistance and git hub code for multifactor authentication in core mvc or mvc project. regrads vinayak
asked 20 Feb 2025, 10:29 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(150.4, 77%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVP%3C/text%3E%3C/svg%3E)
vinayak p
0
Reputation points
commented 28 Feb 2025, 3:06 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(265.6, 46%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EZK%3C/text%3E%3C/svg%3E)
zunaira khalid1022
0
Reputation points
1 answer
Login not possible with AspNetCore Idenity when Enable DataProtection.
I'm configuring my application to make use of AspNetCore.Identity as well Data protection. public static void Main(string[] args) { var builder =…
asked 27 Feb 2025, 9:16 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(227.2, 67%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENR%3C/text%3E%3C/svg%3E)
Nero Rodrigues
0
Reputation points
answered 28 Feb 2025, 7:34 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(22.400000000000002, 68%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERF%3C/text%3E%3C/svg%3E)
Ruikai Feng - MSFT
2,756
Reputation points Microsoft External Staff