ProductView.aspx.cs

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

public partial class ProductView : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            ShowInfo();
        }
    }
    //初始化
    private void ShowInfo()
    {
        if (Request.QueryString["id"] != null)
        {
            //设置查询Sql
            string sql = "select a.*,b.tname from products a left join productType b on a.tid= b.tid where a.pid=" + Request.QueryString["id"];

            //根据编号得到相应的记录
            SqlDataReader sdr = DbHelperSQL.ExecuteReader(sql);
            if (sdr.Read())
            {
                Literal1.Text = sdr["pname"].ToString();
                reliang.Text = sdr["reliang"].ToString();
                Image1.ImageUrl = "uploads/" + sdr["pic"].ToString();
                fenlei.Text = sdr["tname"].ToString();
                dengji.Text = sdr["dengji"].ToString();
            }
            sdr.Close();

        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        if (Session["lname"] == null)
        {
            MessageBox.Show(this, "请先登录后再进行此操作！");
            return;
        }
        Response.Redirect("reliangQuery.aspx");
    }
}