public Selling_WebsiteMigrationsDbContext CreateDbContext(string[] args)
        {
            Selling_WebsiteEfCoreEntityExtensionMappings.Configure();

            var configuration = BuildConfiguration();

            var builder = new DbContextOptionsBuilder <Selling_WebsiteMigrationsDbContext>()
                          .UseSqlServer(configuration.GetConnectionString("Default"));

            return(new Selling_WebsiteMigrationsDbContext(builder.Options));
        }
 public override void PreConfigureServices(ServiceConfigurationContext context)
 {
     Selling_WebsiteEfCoreEntityExtensionMappings.Configure();
 }