Business/CartBusiness.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using Entity;
using Business;
using DBAccess;
namespace Business
{
    public class CartBusiness
    {

        public int InsertCart(CartEntity cartEntity)
        {
            string[] paraNames = { "@id", "@userid", "@goodid", "@goodname", "@price", "@num" };
            object[] paraValues = { cartEntity.Id, cartEntity.Userid, cartEntity.Goodid, cartEntity.Goodname, cartEntity.Price, cartEntity.Num };
            object obj = Operations.ExecuteSQL("[sp_insert_Cart]", CommandType.StoredProcedure, paraNames, paraValues);
            return Convert.ToInt32(obj);
        }

        public int DeleteCartById(string id)
        {
            string[] paraNames = { "@id" };
            object[] paraValues = { id };
            object obj = Operations.ExecuteSQL("[sp_delete_Cart]", CommandType.StoredProcedure, paraNames, paraValues);
            return Convert.ToInt32(obj);
        }

        public int UpdateCart(CartEntity cartEntity)
        {
            string[] paraNames = { "@id", "@userid", "@goodid", "@goodname", "@price", "@num" };
            object[] paraValues = { cartEntity.Id, cartEntity.Userid, cartEntity.Goodid, cartEntity.Goodname, cartEntity.Price, cartEntity.Num };
            object obj = Operations.ExecuteSQL("[sp_update_Cart]", CommandType.StoredProcedure, paraNames, paraValues);
            return Convert.ToInt32(obj);
        }

        public DataSet getALLCart(string tableName)
        {
            string[] paraNames = { };
            object[] paraValues = { };
            DataSet ds = Operations.GetDataSet("[sp_query_Cart]", CommandType.StoredProcedure, tableName);
            return ds;
        }

        public CartEntity getCartById(string id)
        {
            string[] paraNames = { "@id" };
            object[] paraValues = { id };
            object[] obj = Operations.GetValues("[sp_query_CartByID]", CommandType.StoredProcedure, paraNames, paraValues);
            CartEntity cartEntity = new CartEntity();
            cartEntity.Id = obj[0].ToString();
            cartEntity.Userid = obj[1].ToString();
            cartEntity.Goodid = obj[2].ToString();
            cartEntity.Goodname = obj[3].ToString();
            cartEntity.Price = obj[4].ToString();
            cartEntity.Num = obj[5].ToString();
            return cartEntity;
        }