SalesSystemOnline/UI/User/Login.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.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Xml.Linq;
using System.Data.SqlClient;
using BLL;
using Models;

namespace SalesSystemOnline.UI.User
{
    public partial class Login : System.Web.UI.Page
    {
        BLLmenber Menber = new BLLmenber();
        CMenber menber = new CMenber();
        CPublic s = new CPublic();
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                if (Session["userid"] != null) 
                {
                    Common.MessageAlert.AlertLocation(Page, "alert('您已登陆！');location.href='index.aspx'");
                    return;
                }
                if (HttpContext.Current.Request.Cookies["userid"] == null)
                {
                   
                }
                else
                {
                    if (Request.Cookies["userid"] != null)
                    {
                        txt_ID.Text = Request.Cookies["userid"].Value;
                    }
                    else 
                    {
                    
                    }
                }
                
                
            }
        }

        protected void ImageButton1_Click(object sender, ImageClickEventArgs e)
        {
            menber.MenberId =Convert.ToInt32(txt_ID.Text);
            menber.PassWord = txt_PSW.Text; 
            SqlDataReader dr = Menber.login(menber);