Add pre-existing table to code-first migration in EF Core 2.0

How to edit previously applied migration without adding another migration in EF code first

I have an applied migration using "haward" db schema....public partial class CreateCourseCategoryTable : DbMigration { public override void Up() { CreateTable( "haward.CourseCategories", c => new { Id = c.Int(nullable: false, identity: true),...

How to do data migrations inside an EF Core code first migration?

I have a Code First EF Core project....In my schema migration, I need to do a data migration to an external database. So I can't fall back on ...migrationBuilder.Sql().... What I need to do is run a query on the local database and insert the data returned into the external database. In other words, I want to do something like this:...// Obviousl...

Can I inject dependency into migration (using EF-Core code-first migrations)?

There's a way to do what you want to do. In my scenario, I would like to use the database name in the connection string through the DbContext. EF core 2.1.1 is used. ...The code is modified from here...Create a custom MigrationsAssembly service...using Microsoft.EntityFrameworkCore; using Microsoft.EntityFrameworkCore.Diagnostics; using Microsoft.E...

Error adding new migration EF Core 2.0 on ASP.Net Core 2.0

When I add a net migration with ...dotnet ef migrations add cadastro-pj ...I receive a ton of error messages --> Continue after error message......infoinfo: Microsoft.AspNetCore.DataProtection.KeyManagement.XmlKeyManager[0] User profile is available. Using 'C:\Users\Claudio-PC\AppData\Local\ASP.NET\DataProtection-Keys' as key repository and W...

Code First Entity Framework with ASP.NET Core: Initial migration seems to expect tables already exist

I'm trying to create a Code First Entity Framework ASP.NET Core 2 project in Visual Studio Code. I've been following the ...Create a Web API with ASP.NET Core MVC and Visual Studio Code on Linux, macOS, and Windows... tutorial, which uses an in-memory datastore as its ...DbContext.... I'm trying to move this to LocalDB....The tutorial ...Getting St...

Apply EF core migrations one by one in code

I need to apply ...Entity Framework Core migrations one by one in code..., i can call the ...await dbContext.Database.MigrateAsync();... but it applies all the pending migrations in one block....Is there an extension or other method to apply the migrations just one by one or selecting the name of the migration to apply?

What is the difference between EF Core Database-First and EF Core Code-First approaches?

I was wondering... since there is no EDMX in EF Core, what is the difference between those 2? And if the major difference would be the possibility to change the database tables, why not use code first then use EF code-first migrations?

How to add description to columns in Entity Framework Core code-first using migrations?

I am using Entity Framework Core 3.0 code. How do I add descriptions for columns in entity configuration classes or migrations so that they end up as a column description in SQL Server?...There is a publication for Entity Framework 4.3.1 but I could not do it in the Entity Framework Core.

"No such table" on code-first EntityFrameworkCore.Sqlite 3.1.1 when table exists

I am following ...this... article on how to work with Entity Framework Core and Sqlite. My objects are named differently and have different properties but that's about the only change I have made to the code given in the article....I used migrations to create a database and a table in it. I opened the database using SQLiteStudio and can see the tab...

EF Core Code-First Migration Changing Primary Key from Int to Long Failed

I'm using Dotnet Core 3.1 with Entity Framework Core 3.1.3 using Code-First with Azure SQL Database....During the development, I want to change the Primary Key of a table from int to long from the Model class in dotnet core project and use ...add-migration.... However, when using ...Update-Database..., there are errors:...Failed executing DbCommand...