Category "asp.net-core"

Use FilePond with .NET Core

I want to use FilePond with .Net Core like I use an I use MVC and this is the action in my controller which is ran when I submit a form : public async Task<

How do ASP.NET Core's "asp-fallback-*" CDN tag helpers work?

I understand what the asp-fallback-* tag helpers do. What I don't understand is how. For example: <link rel="stylesheet" href="//ajax.aspnetcdn.com/aja

The right way to DI NpgsqlConnection postgreSQL with multiple connectionString in ASP.NET Core 3.1

I'm struggling to register DI NpgsqlConnection() with multiple connection strings in ASP.NET Core 3.1, Dapper v2.0.78 & Postgres v11. I will provide the cur

VS Code CSC : error CS1617: Invalid option '7.3' for /langversion

I downloaded VS 2017 15.7, .NET Core 2.1.2 and Blazor to try it out. It wasn't working in VS 2017 properly and thought I would try through the dotnet cli and V

ASP.NET CORE 2.1 Server timeout while debugging

'Error: Server timeout elapsed without receiving a message from the server.'. I'm trying to debug some server-side code and while I do that the client ge

How to propagate Always encrypted column encryption to Test, Acceptance and Production?

We are using Always encrypted in a .Net core application. The Sql Server database is maintained with EF-core migrations. I was wondering how to propagate the co

Simple logging in .NET Core app on Elastic Beanstalk

I'm just starting to put some ASP.NET Core apps on Elastic Beanstalk. I want to do some simple logging initially just to track down some issues. I normally use

notification does not implement $INotification C#

I have a multi-tenancy project using mediator and CQRS, for some reason my CRUD from order request are returning this error, I already try refactor my handler s

Trying to connect to wwwroot and get a image

I work in aspnet core mvc technology, I manage to add an image, it does go to wwwroot, but the image does not display well in the browser Example: enter image d

How to customize migration generation in EF Core Code First?

There is a special base table type in my DbContext. And when inherited from it I need to generate an additional "SQL" migration operation to create a specific t

Apparently Random Error: "Antiforgery token validation failed. The antiforgery cookie token and request token do not match."

Background I have a relatively new ASP.NET Core 2 site. It's running on just one server (Windows Server 2012 R2, IIS 8.5), and I only restart the site once eve

Docker container is not running on given port in dockerfile

I am trying to run my application on docker (Linux container). In my Dockerfile i'm exposing the port 80 Dockerfile FROM mcr.microsoft.com/dotnet/core/aspnet:3.

How to get only specific tables to create models from database with Entity Framework Core in C#

I'm using Scaffold-DbContext to create models from an existing database, but it auto pluralizes the table names and I don't want that. It also gets all the tabl

.net core injecting and resolving services

I am trying my hand at .net core web api. I have created a static method for registering my controllers like this: public static class RegistrationExtensions {

.Net 6 Blazor app UseHttpsRedirection is causing many redirects

I have a .NET 6 Blazor Server and another .NET 6 Blazor Wasm site. Both work fine locally but when hosted on a shared hosting site get an error 'too many redir

Docker compose build error - Project file does not exist

I'm trying to create docker compose which run my ASP.NET Core app and mssql, but I'm getting an error during build. Here's my docker compose file: # Build Sta

How can I catch an exception and send it as json message?

I wrote a code but for some reason it doesn't work...can you tell me what's wrong? I want the app not to stop when I get an exception, only to send that excepti

Why is not working EF Core retry on failure

I've configured my db context to retry on failure this way: optionsBuilder.UseSqlServer(connectionString, sqlServerOptionsAction: sqlOptions => {

What is the right way to prerender Blazor WebAssembly?

It almost works after the following steps: Install the hosted version of blazorwasm template app. dotnet new blazorwasm --hosted -o HostedWasm Copy _Hosted.cs

Asp.net core, "asn1 encoding routines:asn1_d2i_read_bio:not enough data" error for certificate

When running my asp.net core application locally in my Linux Docker container, the following error occurs: Unhandled exception. Interop+Crypto+OpenSslCryptograp