There is no implicit reference conversion from ApplicationDbContext to Microsoft.EntityFrameworkCore.DbContext

'Microsoft.EntityFrameworkCore.Infrastructure.IDbContextFactory`1[TContext]' violates the constraint of type parameter 'TContext'

It's my first time using asp 5\core1 and i'm having problem setting a entity framework dbcontext...I have one class library with my object...public class Utilizador { public Utilizador() { } public int id { get; set; } } ...Then i have a Web Api project with a reference to my class and a context...public cl...

There is no implicit reference conversion from ApplicationUser to IdentityUser

I am trying to customize some ASP.NET Identity Core classes which use Generics....My ApplicationUser class:...public class ApplicationUser : IdentityUser<Guid>//, ApplicationUserClaim, ApplicationRole, ApplicationUserLogin> { public ApplicationUser() { } } ...My ApplicationUserStore class:...public class ApplicationUserStore : UserStore<Appli...

'Microsoft.EntityFrameworkCore.Tools' is not installed in project on Scaffold-DbContext

I'm following the tutorial listed here:...https://docs.efproject.net/en/latest/platforms/aspnetcore/existing-db.html...However, instead of including the DB context in the WebApplication project, I'd like the DB Context, Entities, etc to live inside another .NET Core Class Library....I got around some early compatibility issues by updating the libra...

Microsoft.EntityFrameworkCore.Design' has different version then 'Microsoft.EntityFrameworkCore.Tools'

i have asp dot net core project and i need to make command...$ dotnet ef database update ...But after updating of dotnet this command is causing error like this:......Check that 'Microsoft.EntityFrameworkCore.Design' has been added to "dependencies" in the startup project and that the version of 'Microsoft.EntityFrameworkCore.Tools' in "tools" and ...

How to resolve the dependency on Microsoft.EntityFrameworkCore.SqlServer and Microsoft.EntityFrameworkCore.Tools?

I am trying to create an application using Microsoft SQL Server database using Entity Framework Core....This is what I have done so far...Step 1: From Nuget Package manager I have installed: ...Install-Package Microsoft.EntityFrameworkCore.SqlServer...Step 2: From Nuget Package manager I have installed (for Entity Framework commands) : ...Install-P...

IBM.EntityFrameworkCore - DbContext.OnConfiguring and DbContext.OnModelCreating aren't called

As soon as I've solved ...one issue... with ...IBM.EntityFrameworkCore..., another one has arose. Everything is soooo hard and painful with DB2 and their .NET team......The problem: I have several ...EntityFrameworkCore... - based projects in the same VS solution, for example ...MyDb2EfModel..., ...MyMsSqlEfModel..., and ...MyNpgsqlEfModel.... (It'...

Your startup project doesn't reference Microsoft.EntityFrameworkCore.Design

I have 2 projects in my solution, I have a project with Entity Framework Core installed:...And in the other ASP.NET Web API project I have these packages:...<?xml version="1.0" encoding="utf-8"?> <packages> <package id="Antlr" version="3.5.0.2" targetFramework="net461" /> <package id="Microsoft.ApplicationInsights" version="2.5.1" targetFramewo...

Method not found: 'System.Reflection.MethodInfo Microsoft.EntityFrameworkCore.Query.EntityQueryModelVisitor.get_SelectAsyncMethod()'

I don't know what was the real problem but after downgrade Microsoft.EntityFrameworkCore.Tools to version 2.1.4 and updgrade again to last version problem gone.

Net Core: No implicit reference conversion from 'Entities' to 'IEntity'

I have Generic Repository below. I also have Entity framework class called Queue which maps to database. The goal is use implement the repository in API for QueueTable....Base Repository:...public class BaseRepository<T, TPrimaryKey> : IRepository<T, TPrimaryKey> where T : class, IEntity<TPrimaryKey> { protected readonly DbContext _context; ...

C# Problem with DbContext: Argument 1: cannot convert 'string' to 'Microsoft.EntityFrameworkCore.DbContextOptions'

I' ve got some problem with DbContext. I decided to make new class, which will be responsible for connections with DataBase....public class PetAlertContext : DbContext { public PetAlertContext() : base("PetAlert") { } public DbSet<Zwierze> Zwierzaki { get; set; } public DbSet<Osoba> Osoby { get; set; } public DbSet<Placowka...