Top ".net-core-3.0" questions

Use this tag for questions specifically related to .NET Core 3.0, in addition to using the '.NET Core' tag.

dotnet ef not found in .NET Core 3

I'm following the docs in order to create an initial migration. When I execute dotnet, I get the help section, …

c# asp.net-core .net-core entity-framework-core .net-core-3.0
Use Visual Studio 2017 with .Net Core SDK 3.0

How Can I open .Net Core 3.0 project in Visual Studio 2017? I have downloaded the .NET Core 3.0 SDK from dotnet.microsoft.…

c# .net-core visual-studio-2017 .net-core-3.0
ASP.NET Core 3.0 not showing on Visual Studio 2019

I want to test the new Blazor server-side framework (aka Razor Components). I installed Visual Studio 2019 RC, and then the .…

asp.net-core .net-core visual-studio-2019 .net-core-3.0 asp.net-core-3.0
Can WPF applications be run in Linux with .Net Core 3?

Microsoft announced .Net Core 3 comes with WPF and Windows Forms. So can I create a Desktop application for Linux or …

linux wpf .net-core desktop-application .net-core-3.0
HTTP Error 500.31 - ANCM Failed to Find Native Dependencies in IIS

I try to run a Blazor application. Web.Server runs .NET Core 3.0 Web.Client runs .NET Standard 2.0 Web.Shared runs .…

iis-10 blazor .net-core-3.0
.NET Core 3 preview 4: 'AddNewtonsoftJson' is not defined

Using .NET Core 3 preview 4, the "API" template for a F# ASP.NET MVC project fails to build. This is without …

f# .net-core-3.0
How to call a stored procedure in EF Core 3.0 via FromSqlRaw

I recently migrated from EF Core 2.2 to EF Core 3.0. Unfortunately, I haven't found a way to call a stored procedure …

c# entity-framework entity-framework-core .net-core-3.0
System.Text.Json.JsonElement ToObject workaround

I want to know the equivalent of the ToObject<>() method in Json.NET for System.Text.Json. Using …

c# .net-core-3.0 system.text.json
Parsing a JSON file with .NET core 3.0/System.text.Json

I'm trying to read and parse a large JSON file that cannot fit in memory with the new JSON reader …

c# json .net-core-3.0 system.text.json
How to setup app settings in a .Net Core 3 Worker Service

I have been looking at a number of tutorials and SO questions (such as App Settings .Net Core) regarding reading …

c# dependency-injection .net-core-3.0 .net-core-configuration