Category ".net-core"

The instance of the entity type cannot be tracked because another instance with the keyvalue is being tracked

I am basically trying to implement CRUD using EntityFrameWork core and .Net core 3.1. I have an issue with my update operation where I am not able update the co

"System.ComponentModel.Win32Exception (0x80090308): The token supplied to the function is invalid" when TLS13 is enabled

After adding the below registry key to enable TLS1.3 on Windows Server 2022 HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Proto

Windows or Visual Studio can't find the latest installed .NET SDK due to bitness

I've successfully installed the latest .NET SDK, but Windows doesn't recognize it. This is manifested by one of the following failures: dotnet --list-sdks does

Inject service to configure SignalR backplane

I am trying to use Azure Redis instance as the backplane for my dotnet core signalr application. I need to pull the configuration settings from a database. How

How can i remotely debug an asp.net core web app deployed on an azure app service

I am working on an asp.net core web application. I need to debug this application (put a breakpoint and inspect variables when this breakpoint is hit). I can do

Error while validating the service descriptor 'ServiceType'

I interject in the method but it showing exception here: The code is extension of the services. public static IServiceCollection AddServices(this IServiceCollec

grpc and polly - .net core 6

I'm trying to use Polly as retry policy handler for grpc in my .net core 6 project. I noticed that the retryFunc is never invoked. I started from this project g

Remove Empty from word document using Open XMl in >net Core

Removing the empty line from the word document the using Open Xml in .Net core

How to fix "Segmentation fault (core dumped)" when creating new dotnet project?

I am following https://dotnet.microsoft.com/learn/dotnet/hello-world-tutorial/create When I try to create a project, I get the following: oskar@oskarslaptop:~/P

Angular 12 .Net 6 value null being passed to api as "null"

I have an angular 12 UI that is communicating with a .net 6 API. When a parameter in a query string is null or undefined the API is interpreting it as a string

AspNetCoreRateLimit endpoint wild-card does not work

I am trying to implement a rate limit using the AspNetCoreRateLimit package. I would like to limit the rate on only one endpoint This one: https://[removed for

Excel gets Corrupted When File Uploaded is Uploaded in Azure Blob Storage in Chunks

** Scenario: I have uploaded a 50MB Excel File through below method creates chunks of the file of 10MB. Two Chunks were uploaded successfully and while uplo

Microsoft.Graph.Core Code:accessDenied uploading file to One Drive API

I use the below code to upload the file to OneDrive API. var uploadedFile = await requestBuilder .ItemWithPath(fileName)

Duplicate 'System.Reflection.AssemblyCompanyAttribute' attribute (CS0579)

I am creating a .Net core project using VS Community V 8.10.2 on my Macbook air. I created a parent .Net Core MVC project and created multiple class library pro

Azure function error : BinaryFormatter serialization and deserialization are disabled within this application

i have existing azure function in .netCore 3.1, Trying to upgrade it to .net6.0. after upgrade getting error 'BinaryFormatter serialization and deserialization

.NET 6 (stable) IConfiguration setup in Program.cs

This appears to be a similar problem but none of the answers are fitting for my code...: Read appsettings.json in Main Program.cs This is extremely similar but

Signalr Core WithAutomaticReconnect passing headers

I have gone through Signalr Core documenations and while I understand the feature .WithAutomaticReconnect() What I am curious is does it pass the headers still

Remove all non-essential json formatting in C#

Let's say I have some convoluted json like so: { "ref": "some", "repository": { "id": 123456789, "name": "foo bar" } } I'm trying to get it into

Remove all non-essential json formatting in C#

Let's say I have some convoluted json like so: { "ref": "some", "repository": { "id": 123456789, "name": "foo bar" } } I'm trying to get it into

.Net Core, Entity Framework Core not working on Linux server

I deployed a test console app to a linux server and everything works fine but when the code execute an Entity Framework Core query, I get this message in the co