detail.aspx.cs

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using System;
using System.Collections;
using System.Configuration;
using System.Data;
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;

public partial class detail : System.Web.UI.Page
{
    db DB = new db();
    DataSet ds = new DataSet();
    string strsql;
    protected void Page_Load(object sender, EventArgs e)
    {

        if (!Page.IsPostBack)
        {
            imgdatabind();
            proinfodatabind();
        }
    }

    public void imgdatabind()
    {
        int id = Convert.ToInt32(Request.QueryString["proid"]);
        strsql = "select * from product where pid=" + id;
        ds = DB.mydata(strsql);
        imgDataList1.DataSource = ds;
        imgDataList1.DataBind();


    }
    public void proinfodatabind()
    {
        int id = Convert.ToInt32(Request.QueryString["proid"]);
        strsql = "select * from product where pid=" + id;
        ds = DB.mydata(strsql);
        proinfoDataList1.DataSource = ds;
        proinfoDataList1.DataBind();


    }
    protected void jrgwcButton1_Click(object sender, EventArgs e)
    {
        int id = Convert.ToInt32(Request.QueryString["proid"]);
        strsql = "select * from product where pid=" + id;
        ds = DB.mydata(strsql);
        if (ds.Tables[0].Rows.Count != 0)
        {
            int pkc;
            pkc = Convert.ToInt32(ds.Tables[0].Rows[0]["pkc"].ToString());
            if (pkc > 0)//判断库存量是否大于0
            {