Category "asp.net-core"

Claims Stored in Cookies Exceed Max Request Header Length

I have an ASP.NET Core 2.0 website using the vanilla implementation for authentication/authorization using Identity and cookies (not using OpenID Connect). I ha

Best practice to handle concurrency in EF Core and ASP.NET Core?

Currently I'm doing the following when inserting/updating and entity: public async Task<IdentityResult> UpdateAsync(Model model, CancellationToken ct = de

Getting Unsupported Media Type for .net core

I'm new in backend development and Gettig 415 Unsupported Media Type in multipart API written in .net core. I have attached the postman image for your reference

CS0234:The type or namespace 'Internal' does not exist in the namespace 'Microsoft.AspnetCore.Http'. Are you missing an assembly reference?

I get this error while migrating from .netcore2.2 to 3.0 .I have replaced request.EnableRewind() with request.EnableBuffering and the code does not use Http.Int

''MS-ASPNETCORE-TOKEN' does not match the expected pairing token' when calling deployed .net core API on IIS

I am receiving the following exception in the logs and event viewer when calling an endpoint in a .Net core application (3.1): 'MS-ASPNETCORE-TOKEN' does not m

Custom middleware breaks Developer Exception Page

Custom middleware breaks Developer Exeption Page. Instead of page with exception details there is HTTP 500 response. Debugging line by line runs only until awai

How to customize ASP.NET Identity Core Username to allow special characters and space

I have changed my Register Action Method to accept user Name instead of Email. if (ModelState.IsValid) { var user = new ApplicationUser { User

The default Identity UI layout requires a partial view '_LoginPartial' error ASP.NET Core 6.0

So. I created a fresh new project with Visual Studio Pro 2019 (v16.11.9) using the model ASP.NET Core with Angular. I set the authentication option to Individua

How to read web.config file in .Net Core app

I have created a .Net Core API and I referenced a .Net framework application to it. The referenced Application connects to a data base and its connection string

Net Core MemoryCache not resetting per request

.Net Core 3.0. I have a repo where IMemoryCache gets injected. Repo is registered as Transient. I would like for the cache to be cleared/reset PER request, howe

How Serilog posts to CloudWatch without any configuration setup?

I am migrating an app done in net core from Azure to AWS. Backend is an Asp.NetCore WebApi which uses Serilog for logging. I simply put it behind a subclass of

ASP.NET Core (.Net 6) Web Application throws System.NotSupportedException when run as a service. (Service will not start)

When I attempt to run my .Net Web Application as a Windows Service, it does not start. It works if I just run the executable but mysteriously fails when attempt

ArgumentNullException: String reference not set to an instance of a String. Parameter name: s System.Text.Encoding.GetBytes(string s)

I have this method to generate token: [HttpPost("login")] public async Task<IActionResult> login(UserForLoginDto userForLoginDto) {

Azure AD authentication, 404 not found on /signin-oidc

The past few days, I have gotten a 404 error on /signin-oidc after successfully authenticated with Azure AD against my ASP.NET Core web app using the Microsoft

Creating a (.NET 6 based) website project with ASP.NET Core and React (TypeScript) in Visual Studio 2022?

I have been trying to set up an ASP.NET Core + React (TypeScript) web app project in Visual Studio 2022, but couldn't succeed in doing so. There are no proper s

Pass parameter to Partial View in ASP.NET Core

On an ASP.NET Core 2.0 application I need to render a partial view and pass a few parameters: @Html.Partial("Form", new { File = "file.pdf" }) On the partial

How do I resolve Uncaught ReferenceError: signalR is not defined

@section scripts{ <script src="https://cdnjs.cloudflare.com/ajax/libs/microsoft-signalr/6.0.1/signalr.js"></script> } I added signalR CDN

In Blazor, how can I dynamically change an HTML tag?

Let's say I have the following markup in my Blazor component: <div @attributes=Attributes data-myattr="something"> @ChildContent </div> I'd lik

HTTP Verbs PUT and DELETE: 405 Method not allowed - how to allow?

I've been trying all the suggested workarounds for ASP.NET to be able to address my REST web service by HTTP Methods PUT and DELETE. However, none of them seems

API Gateway Ocelot .Net Core 6.1 Setup

The .Net 6 have removed the Start up Class and i am not able to find out how to configure Ocelot in new .Net 6 structure. I have found two methos using Ocelot.