BLL/BLLOrder.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using DAL;
using Models;

namespace BLL
{
   public class BLLOrder
    {
        /*绑定数据*/
        public DataSet OrderBind(int a, int b, string c)
        {
            DALOrder Bind = new DALOrder();
            return Bind.OrderBind(a, b, c);

        }
        

        //查询订单
        public DataSet SelOrder(int a, int b, string c, COrder order)
        {
            DALOrder Order = new DALOrder();
            return Order.SelOrder(a,b,c,order);
        }

        //查询是否存在该订单
        public int CountOrder(COrder order)
        {
            DALOrder count = new DALOrder();
            return count.CountOrder(order);
        }

        //删除某条订单
        public int DeleteOrder(COrder order)
        {
            DALOrder Delete = new DALOrder();
            return Delete.DeleteOrder(order);
        }
        
        //删除某条订单的详细订单
        public int DeleteDetail(COrder order)
        {
            DALOrder Delete = new DALOrder();
            return Delete.DeleteDetail(order);
        }

        //绑定订单详细数据
        public DataSet OrderDetail(int a, int b, string c,COrder order)
        {
            DALOrder OrderDetail = new DALOrder();
            return OrderDetail.OrderDetail(a,b,c,order);

        }

        //获得数据库中一行的数据
        public SqlDataReader OrderRow(COrder order)