default2.aspx.cs

完成一个网上书店系统

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 Default2 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            if (Session["UserName"] == null || Session["UserName"].ToString() == "")
            {
                Response.Redirect("login.aspx");
            }
            Label4.Text = Convert.ToString(Session["UserName"]);
        }
    }
}