1using System;
 2using System.Data;
 3using System.Configuration;
 4using System.Collections;
 5using System.Web;
 6using System.Web.Security;
 7using System.Web.UI;
 8using System.Web.UI.WebControls;
 9using System.Web.UI.WebControls.WebParts;
10using System.Web.UI.HtmlControls;
11
12public partial class ascx_Login : System.Web.UI.UserControl
13...{
14    Model.admin Ma = new Model.admin();
15    BLL.admin Ba = new BLL.admin();
16
17    protected void Page_Load(object sender, EventArgs e)
18    ...{
19        if (!Page.IsPostBack)
20        ...{
21            this.login_E.Visible = false;
22        }
23    }
24    protected void Cancel_Click(object sender, EventArgs e)
25    ...{
26        this.UserName.Text = "";
27        this.PassWord.Text = "";
28        this.UserName.Focus();
29    }
30    protected void login_Click(object sender, EventArgs e)
31    ...{
32        Ma.username = this.UserName.Text.Trim();
33        Ma.password = FormsAuthentication.HashPasswordForStoringInConfigFile(this.PassWord.Text.Trim(),"MD5");
34        if (Ba.ReRowCount(Ma)>0)
35        ...{
36            Session["admin"] = Ma.username.ToString();
37            Response.Redirect("../Web/admin/Admin_Index.aspx");
38        }
39        if (Ba.UserLogin(Ma).Tables[0].Rows.Count>0)
40        ...{
41            Session["username"] = Ma.username.ToString();
42        }
43        this.login_s.Visible = false;
44        this.login_E.Visible = true;
45        this.Label.Text = Session["username"].ToString();
46    }
47    protected void Login_out_Click(object sender, EventArgs e)
48    ...{
49        this.login_s.Visible = true;
50        this.login_E.Visible = false;
51        Session.Clear();
52    }
53}
54