Entity Framework 6 DB First approach with no EDMX. Is it possible?

Solutions with one EF6 model (db first) and one code first

Ok, got to the bottom of this. Basically if you share a connection across both contexts this does not work. However if you use a different connection for both it works....Thanks to Ben Robinson for pointing me in right direction.

I am having trouble creating DB in SQL Server Express with Entity Framework Core 2.0

I needed to run:...Update-Database ...I went through this last year: ...Why is dotnet ef not able to create a database against SQL Server Express?...It seems I never learn.

One-to-one and one-to-many on the same entity in Entity Framework

It's not necessary to define two different mapping for specific entities. All I need was to map a ...one-to-many... relation via fluent api. ...Here are the changes:...public class Office { // fk field to the entity public Guid ManageId{get;set;} public virtual Person Manager {get; set;} public virtual List<Person> People {get; set...

Is it possible to automatically map a DB view on Entity Framework Core version 2.1?

WORKAROUND SOLUTION: ...I found a workaround which consists in:...Rename the view (e.g. from "MyView", to "My_View")...Create a table from that view with a ...select * into table from view... query, and name it like the view initial name (eg. the table will be named "MyView")...Set in the table a primary Key...Scaffold the DB..., so you get all the...

EF Db First approach - dealing with tables without PK's

1) Like this. Middleman tables that decompose a M:M relationship into two 1:M should have the two foreign key columns as their PK. It's a rookie error to make such tables have a third PK column...2) Because that's how it looks up related data when you ask for it (...employee.Company.Name... might cause company data to be loaded for that employee, s...

Entity framework Core - Ambiguity over choosing Code First Approach and Database First Approach

We can't map them yet, but we can call them:...Public Class Sample Private Sub SpTest() Dim oContext As SchoolContext Dim oStudents As List(Of Student) oContext = New SchoolContext oStudents = oContext.Students.FromSql("GetStudents 'Bill'").ToList End Sub End Class ...There are some limitations:...The Stored Procedure must retu...

How can i set partition key from cosmosdb collection through entity framework core code first approach?

According to Microsoft ...documentation... it is pretty simple. One important thing to note: ...your partition keys must be string or ...converted... to string!...protected override void OnModelCreating(ModelBuilder modelBuilder) { modelBuilder.Entity<TodoItem>() .HasPartitionKey(o => o.Id); }

Does EF Core 3.1 support DB First approach?

Yes. It supports DB First Approach since .NET Core 1.0 until now. You need to download 4 from nugets...1) EntityFrameworkCore...2) EntityFrameworkCore.Design...3) EntityFrameworkCore.Tools...4) EntityFrameworkCore.SqlServer...Open Tools > NuGet Package Manager > Package Manager Console. And enter this below in console....Scaffold-DbContext "Server=...

With Entity Framework Core database first approach how do I separate my entity from infrastructure layer?

I see two options:...You accept the dependency to the EF, put the generated entities into your core project and so accept the violation to clean architecture. ...You create your own entities in Core project without dependencies to EF and use repository pattern to "map" between your entities and those from EF....Alternative 1 is simple and cheap. Al...

How to implement Entity Framework Core 3.1.2 with Firebird database using 'database first approach'

To summarize the response to ...the question you posted... on the firebird-net-provider group, support for scaffolding the model in EntityFrameworkCore is currently not available for Firebird. The improvement ticket for this is ...DNET-798....