Entity Framework Core - Knowledge Base (KB)

How can I hint the C# 8.0 nullable reference system that a property is initalized using reflection

I ran into an interesting problem when I tried to use Entity Framework Core with the new nullable reference types in C# 8.0....The Entity Framework (various flavors) allows me to declare DBSet properties that I never initalize. For example:... public ...

Clone an object (EF entity) in C#

Using C# 8 e ASP.NET Core I have the following:... Context context = new Context(); Post post1 = new Post { Enabled = true, Title = "Some title" }; Post post2 = post1; post2.Enabled = false; context.Posts.Add(post1); context.Posts....

What type of collection should be returned from EFCore 3.1 in WebAPI?

I'm writing ASP.NET Core 3.1 Web API and I caught myself being confused... if I use the right type to return. ...So here is my code (I removed paging for simplicity):...public class UserData { public IEnumerable<UserDto> GetUsers() { var u...

Nullable reference types and constructor warnings

I'm trying to embrace C# 8's nullable references types in my project and make it smoothly work with EF Core....Following ...this guide..., I made my entity classes have constructors accepting all data needed for initializing their non-nullable properties:...