染秋尘的博客

首先引用Model层DAL层 using Model; using DAL 让后根据DAL层的各个功能类进行继承 public static DataTable Select(int Id = 0, string ProductName = "") { return 类名.Select(Id, ProductName); } public static Product SelectID(int id)

删除 /// <summary> /// 删除的方法 /// </summary> /// <param name="id">主键列</param> /// <returns></returns> public static int Delect(int id) { //删除用sql语句