add migration

Grego núñez answered on June 16, 2022 Popularity 10/10 Helpfulness 1/10

answer add migration

add migration

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public class Post
    {
        public int Id { get; set; }
        public DateTime DatePublished { get; set; }
        public string Title { get; set; }
        public string Body { get; set; }


    }

    public class BlogDbContext : DbContext
    {
        public BlogDbContext(DbContextOptions options)
           : base(options)
        {
        }

        protected override void OnConfiguring(DbContextOptionsBuilder options)
        {
            options.UseSqlServer(ConexionStringSetting.GetConnectionString());
        }

        

        public DbSet<Post> Posts { get; set; }

    }

    public class AppDataContextFactory : IDesignTimeDbContextFactory<BlogDbContext>
    {
        public BlogDbContext CreateDbContext(string[] args)
        {
            var optionsBuilder = new DbContextOptionsBuilder<BlogDbContext>();
            var config = new ConfigurationBuilder()
                .AddJsonFile("appsettings.json")
                .Build();

            optionsBuilder.UseSqlServer(config.GetConnectionString("Default"));

            return new BlogDbContext(optionsBuilder.Options);
        }
    }

//using a appsettings.json with a connectionStrings in a project root folder
    public static class ConexionStringSetting
    {
        public static string GetConnectionString(string connectionStringName = "Default")
        {
            string output = "";
            var builder = new ConfigurationBuilder().SetBasePath(Directory.GetCurrentDirectory()).AddJsonFile("appsettings.json");
            var config = builder.Build();

            output = config.GetConnectionString(connectionStringName);
            return output;
        }
    }
}

Popularity 10/10 Helpfulness 1/10 Language whatever

Source: stackoverflow.com

Tags: add migration whatever

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Contributed on Jun 16 2022

Grego núñez

0 Answers Avg Quality 2/10

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