using Microsoft.EntityFrameworkCore;

class Context : DbContext {
    string str = "Server=localhost; User ID=konyvesbolt; Password=titok; Database=konyvesbolt";

    public DbSet<Book> Books { get; set; }

    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
    {
        optionsBuilder.UseMySql(str, ServerVersion.AutoDetect(str));
    }

}