jinhuo/jinhuodel.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;
using dao;
public partial class jinhuo_jinhuodel : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        int id = Int32.Parse(Request.QueryString["id"]);
        int sl = Int32.Parse(Request.QueryString["sl"]);
        int spid = Int32.Parse(Request.QueryString["spid"]);
        string sql = "";
        try
        {
            sql = "update shangpin set sl=sl-" + sl + " where spid='" + spid + "'";
            DBHelper.ExecuteCommand(sql);
            sql = "delete from jinhuo where jhid='" + id + "'";
            DBHelper.ExecuteCommand(sql);

        }
        catch (Exception ex)
        {

        }
        MessageBox.ShowAndRedirect(this, "退货成功！", "jinhuolist.aspx");
    }
}