SenBiTeSolution.UI/ManageWeb/Login.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

using SenBiTeSolution.Common;

namespace SenBiTeSolution.UI.ManageWeb
{    
    public partial class Login : System.Web.UI.Page
    {
        bool isEmpty = false;
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                string name = "";
                string pwd = "";

                if (!string.IsNullOrEmpty (Request.QueryString["name"]))
                {
                    name = Request.QueryString["name"];
                }
                else
                {
                    isEmpty = true;
                }
                if (!string.IsNullOrEmpty(Request.QueryString["pwd"]))
                {
                    pwd = Request.QueryString["pwd"];
                }
                else
                {
                    isEmpty = true;
                }

                if (!isEmpty)
                {
                    DAL.tbl_User user = new DAL.tbl_User();

                    if (user.UserNameExists(name))
                    {
                        if (user.CheckLogin(name, pwd))
                        {
                            Session["user_Name"] = name;
                            Response.Redirect("Frameset/MainFrame.htm");
                        }
                        else
                        {
                            MessageBox.Show(this, "密码错误或登录失败！");
                        }
                    }
                    else
                    {
                        MessageBox.Show(this, "用户名不存在!");
                    }
                }