App_Code/BLL/Car.cs

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using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

using System.Data.SqlClient;


/// <summary>
///Shoppingcar 的摘要说明
/// </summary>
public class Car
{
	public Car()
	{
		//
		//TODO: 在此处添加构造函数逻辑
		//
	}
    public  DataTable  GetBooksInfo(string userId)
    {
        string strSql = "SELECT  ShoppingCar.Id As 购物编号, WenJu.ID As 商品编号, WenJu.Name As 商品名, WenJu.Price As 价格,  ShoppingCar.GoodsCount As 商品数量 ,  ShoppingCar.CarTime As 购买时间  FROM   WenJu INNER JOIN ShoppingCar ON WenJu.ID = ShoppingCar.Id Where UserId=@UserId";
        SqlParameter[] parameters = new SqlParameter[]
        {
        new SqlParameter ("@UserId",userId)
        };
        return DAL.DataAccess.ExecuteQuery(strSql, CommandType.Text, parameters);
      
    
    
    }
}