php简单分页

ProductDataContext pdc = new ProductDataContext(CONNECTSTRING);Product product = pdc.Proudct.Single(p => p.ProductId == 444);pdc.Attach(product);//附加实体---增加此段代码即可解决“无法删除尚未附加的实体”问题pdc.Product.DeleteProduct(product);//删除数据pdc.SubmitChanages();