proShow.aspx.cs

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using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Text;
using System.Data;
using System.Data.SqlClient;


public partial class booksShow  : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        
        if(!IsPostBack)
        {
            
            show();
        }
    }

    /// <summary>
    /// 根据编号显示对应的信息
    /// </summary>
    protected void show()
    {
        string sql = "";
        sql = "select a.*,b.tname,tel from products a  left join productType b on a.tid=b.tid left join Seller c on a.lname=c.lname where pid=" + Request.QueryString["id"];
        //根据编号得到相应的记录
        SqlDataReader sdr = DbHelperSQL.ExecuteReader(sql);
        if (sdr.Read())
        {
            lblpid.Text = sdr["pid"].ToString();
            lblpname.Text = sdr["pname"].ToString();
            lblprice.Text = sdr["price"].ToString();
            if (sdr["pic"].ToString() != "" && sdr["pic"].ToString().Length > 3)
            {
                imgpic.ImageUrl = "uploads/" + sdr["pic"].ToString();
            }
            lblmemo.Text = sdr["memo"].ToString();
            lblatime.Text = sdr["addtime"].ToString();
            lblquan.Text = sdr["quan"].ToString();
            lbllname.Text = sdr["lname"].ToString();
            lbltel.Text = sdr["tel"].ToString();

            if(int.Parse(lblquan.Text)<=0)
            {
                carAdd.Text = "已售出";
                carAdd.Enabled = false;
            }
        }


    }
    /// <summary>
    /// 加入购物车
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>