public AdManager(AdsWebShopDB db) : base(db) { }
public UserManager(AdsWebShopDB db) : base(db) { }
public CategoryManager(AdsWebShopDB db) : base(db) { }
public AdManager(AdsWebShopDB db) : base(db) { }
public UserManager(AdsWebShopDB db) : base(db) { }
public CategoryManager(AdsWebShopDB db) : base(db) { }