kucun/kucunmod.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 kucun_kucunmod : System.Web.UI.Page
{
    string id = "";
    protected void Page_Load(object sender, EventArgs e)
    {
        id = Request.QueryString["id"].ToString();
        if (!IsPostBack)
        {

            string sql = "select * from shangpin where spid='" + id + "'";
            DataTable dt = DBHelper.GetDataSet(sql);
            if (dt.Rows.Count > 0)
            {
                this.spmc.Text = dt.Rows[0]["spmc"].ToString();
              
                this.sl.Text = dt.Rows[0]["sl"].ToString();
             

            }
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        string sl = this.sl.Text;
       

        if (sl.Length == 0)
        {
            MessageBox.Show(this.Page, "数量不能为空");
            return;
        }
        string sql = "update shangpin set sl='" + sl + "' where spid='" + id + "'";
        int row = 0;
        try
        {
            row = DBHelper.ExecuteCommand(sql);
        }
        catch (Exception ex)
        {
            MessageBox.ShowAndRedirect(this.Page, ex.Message, "kucunlist.aspx");

        }
        MessageBox.ShowAndRedirect(this.Page, "数量调整成功", "kucunlist.aspx");
    }
}