ef-migrations

How to migrate DB without nuget? It is not possible to use Visual Studio with nuget in production environment. Currently, many examples only teach us to use Visual Studio with nuget. How to use the generated DbMigration classes? The easiest way is: Database.SetInitializer( new MigrateDatabaseToLatestVersion<MyDbContext, MyDbMigrationsConfiguration>()); This will run the migrations when initializing the DbContext. You can also force the execution manually: var migrator = new DbMigrator(new MyMigrationsConfiguration()); migrator.Update(); (I believe you also have to set TargetDatabase on the

I'm using web deploy to deploy an MVC4 application using EF5 code first. I made a publish profile called "development" that uses web deploy for application and database using the 'Execute Code First Migrations' checkbox to run migrations on application startup. The publishing worked great for a while. At some point I added a new publish profile called "test" to deploy to another server, which uses the ftp method of deploy and no automatic migrations. This works fine too. However, when I tried to use my old "development" publish profile again, VS changes the settings automatically to the

How to apply migrations from code for EF6 work code Database.SetInitializer<CmContext>(null); var settings = new MigrationsConfiguration(); var migrator = new DbMigrator(settings); migrator.Update(); how to make similar in EF Core? In beta 7 and on, use: using Microsoft.Data.Entity; ... context.Database.Migrate(); For Entity Framework Core 1.0.0, ensure you have the Microsoft.EntityFrameworkCore.Relational NuGet package. Then import this namespace: using Microsoft.EntityFrameworkCore; Finally, get hold of a DbContext and run: context.Database.Migrate(); 来源： https://stackoverflow.com/questions

Is that possible to create table in run time by using EF Code-first? i could create my models class in run time by using C# CodeDOM(reflection) but i couldn't set the dbSet properties of my Dbcontext class in run time. whats your idea? whats the best solution to create table dynamically in run time?... some ones said to my that the only way is using classic ADO.Net . Sampath Yes,you can do that. You can do that using Finding the Classes : [AttributeUsage(AttributeTargets.Class)] public class PersistentAttribute : Attribute { } Now you can add some logic to the OnModelCreating method of your

If you run an entity framework migration (either automatic or explicit) against tables published for SQL Server replication you get the following error: You can only specify the READPAST lock in the READ COMMITTED or REPEATABLE READ isolation levels There have been questions about this before ( here ), but they completely fail to address the underlying cause: Entity Framework migration is run at the Serializable isolation level (as clearly shown in the SQL Server profiler). Which is a safe choice for a structure-changing transaction, but it simply isn't compatible with published sql server

I'm having ASP.NET MVC 3 project that uses Entity Framwork 4.3 and its migrations. Now I want Entity Framework to create a database for me using migrations that I have already. When I trying to run Update-Database script it gives me the following: Update-Database -Verbose -ProjectName AssemblyWithMigrations -StartUpProjectName WebProjectAssembly No migrations configuration type was found in the assembly '/* my name of assembly */'. (In Visual Studio you can use the Enable-Migrations command from Package Manager Console to add a migrations configuration). But, when I'm trying to run Enable

I have added a new property into my existing model. It's a bool property with default value true. There are existing data in this table and I would like to set one specific row's new property to false right after creating the new field, in the Up method. public override void Up() { AddColumn("dbo.RequestValidationErrors", "IsBreaking", c => c.Boolean(nullable: false)); using (Context ctx = new Context()) { var validation = ctx.RequestValidationErrorSet.FirstOrDefault(x => x.WordCode == "RequestValidationError.MoreThanOneItemFound"); if (validation != null) { validation.IsBreaking = false; ctx

I am doing a project in ASP.NET CORE 1.0.0 and I am using EntityFrameworkCore. I have separate assemblies and my project structure looks like this: ProjectSolution -src -1 Domain -Project.Data -2 Api -Project.Api In my Project.Api is the Startup class public void ConfigureServices(IServiceCollection services) { services.AddDbContext<ProjectDbContext>(); services.AddIdentity<IdentityUser, IdentityRole>() .AddEntityFrameworkStores<ProjectDbContext>() .AddDefaultTokenProviders(); } The DbContext is in my Project.Data project public class ProjectDbContext : IdentityDbContext<IdentityUser> { public