ProductsDbContextFactory1

ProductsDbContextFactory1.cs

public class ProductsDbContextFactory : IDesignTimeDbContextFactory<ProductsDbContext>
{
    public ProductsDbContext CreateDbContext(string[] args)
    {
        var optionsBuilder = new DbContextOptionsBuilder<ProductsDbContext>();
        var connectionString = "Data Source=(localdb)\\MsSqlLocalDb;initial catalog=ProductsDbDev;Integrated Security=True; MultipleActiveResultSets=True";
        optionsBuilder.UseSqlServer(connectionString, b => b.MigrationsAssembly("EfDesignDemo.EF.Design"));
        return new ProductsDbContext(optionsBuilder.Options);
    }
}