public string AddCategoriesToGoods(int selectedCategoryID, int selectedGoodsID)
 {
     RelationsCategoriesGoodsCRUD relationsCategoriesGoodsCRUD = new RelationsCategoriesGoodsCRUD();
     return relationsCategoriesGoodsCRUD.AddCategoriesToGoods(selectedCategoryID, selectedGoodsID);
 }
 public void DeleteCategoriesFromGoods(int categoryID, int goodsID)
 {
     RelationsCategoriesGoodsCRUD relationsCategoriesGoodsCRUD = new RelationsCategoriesGoodsCRUD();
     relationsCategoriesGoodsCRUD.DeleteCategoriesFromGoods(categoryID, goodsID);
 }
 public List<Categories> GetCategoriesForGoods(int goodsId)
 {
     RelationsCategoriesGoodsCRUD relationsCategoriesGoodsCRUD = new RelationsCategoriesGoodsCRUD();
     return relationsCategoriesGoodsCRUD.GetCategoriesForGoods(goodsId);
 }