1using System;
 2using System.Collections;
 3using System.ComponentModel;
 4using System.Data;
 5using System.Drawing;
 6using System.Web;
 7using System.Web.SessionState;
 8using System.Web.UI;
 9using System.Web.UI.WebControls;
10using System.Web.UI.HtmlControls;
11using System.Data.SqlClient;
12public partial class AdminLogin : System.Web.UI.Page
13...{
14    //该源码下载自www.51aspx.com(5１ａｓｐｘ．ｃｏｍ)
15    //登录
16    protected void log_Click(object sender, System.EventArgs e)
17    ...{
18        //判断验证码
19        if (userVer.Value.Trim().ToLower() != Session["sdf"].ToString().ToLower())
20        ...{
21            ClientScript.RegisterStartupScript(this.GetType(), "ab", "alert('验证码错误');", true);
22            return;
23        }
24        if (name.Text == "qucha" && pws.Text == "000000")//是否为管理员，如果是管理员则转入管理页面
25        ...{
26            Session["admin"] = "true";  
27            Response.Redirect("admin1.aspx", true);
28        }
29        //检验账号、密码
30        Sql s = new Sql();
31        SqlParameter para = new SqlParameter();//存储过程的返回参数
32        para.ParameterName = "@returnValue";
33        para.Direction = ParameterDirection.ReturnValue;
34        s.command.Parameters.Add(para);
35        s.command.Parameters.AddWithValue("@username",name.Text);
36        s.command.Parameters.AddWithValue("@userpass", Tools.Encrypt(pws.Text,"12345678"));
37        s.exec("userlogin");//执行登录（注册）的存储过程
38        if (para.Value.ToString()!="3")//登录（注册）成功
39        ...{
40            System.Web.Security.FormsAuthentication.SetAuthCookie(name.Text, true);
41            Response.Redirect("siteUser.aspx");
42        }
43        else//登录失败
44        ...{
45            ClientScript.RegisterStartupScript(this.GetType(), "a", "alert('密码错误');", true);
46        }
47    }
48}
49
50 
51