public static void DeleteList(List <int> list)
 {
     BLL.Product bv = new BLL.Product();
     foreach (int v in list)
     {
         // try to load by primary key
         bv.LoadByPrimaryKey(v);
         // if the entry doesn't exist, create it
         if (bv.RowCount > 0)
         {
             bv.MarkAsDeleted();
             bv.Save();
         }
         // populate the contents of v on the to the database list
     }
 }
        public static void DeleteList(List<int> list)
        {
            BLL.Product bv = new BLL.Product();
            foreach (int v in list)
            {
                // try to load by primary key
                bv.LoadByPrimaryKey(v);
                // if the entry doesn't exist, create it
                if (bv.RowCount > 0)
                {
                    bv.MarkAsDeleted();
                    bv.Save();
                }
                // populate the contents of v on the to the database list

            }
        }