public EntityProduct GetByModel(string Model)
        {
            var data = base.DataContext.Product.Where(p => p.Model == Model);

            if (data.Count() == 1)
            {
                return(FactoryProduct.Get(data.Single()));
            }
            else
            {
                return(null);
            }
        }
        public EntityProduct Get(int Id)
        {
            var data = base.DataContext.Product.Where(p => p.PK_ProductID == Id);

            if (data.Count() == 1)
            {
                return(FactoryProduct.Get(data.Single()));
            }
            else
            {
                return(null);
            }
        }