public BookDM(IBookCatalogContext context) : base(context) { }
public CategoryService(IBookCatalogContext context) { _context = context; }
public BookService(IBookCatalogContext context) { _context = context; }
public AuthorDM(IBookCatalogContext context) : base(context) { }
public BaseDM(IBookCatalogContext context) { BCContext = context; }