当前文件： XueXiBuLuo/admin/login.aspx.cs[2K，2009-6-12 12:00:20]，打开代码结构图

		            
 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;
11using System.Data.SqlClient;
12//该源码下载自www.51aspx.com(５１ａｓｐｘ．ｃｏｍ)
13
14public partial class admin_login : System.Web.UI.Page
15...{
16    protected void Page_Load(object sender, EventArgs e)
17    ...{
18
19    }
20    protected void u_login_Click(object sender, ImageClickEventArgs e)
21    ...{
22        SqlConnection nwConn = new SqlConnection((string)ConfigurationSettings.AppSettings["DBconnStrings"]);
23        string queryStr = "SELECT userid, userpwd, username,type FROM users where userid='" + Txtusername.Text + "'";
24        DataSet userSet = new DataSet();
25        SqlDataAdapter userAdapter = new SqlDataAdapter(queryStr, nwConn);
26        userAdapter.Fill(userSet, "Users");
27        if (userSet.Tables["Users"].Rows.Count == 0)
28        ...{
29            Page.RegisterStartupScript("name", "<Script>alert('没有该用户名，请重新输入！')</Script>");
30            //Response.Write("<Script>alert('没有该用户名，请重新输入！')</Script>");
31            return;
32        }
33        else if (Txtpwd.Text != userSet.Tables["Users"].Rows[0]["userpwd"].ToString())
34        ...{
35            Page.RegisterStartupScript("pwd", "<Script>alert('您输入的密码错误，请重新输入！')</Script>");
36            //Response.Write("<Script>alert('您输入的密码错误，请重新输入！')</Script>");
37            return;
38        }
39       else
40  ...{
41         //   userid.Text = Txtusername.Text;
42
43
44           // Session["usertype"] = type.SelectedItem.ToString();
45            //usertype.Text = type.SelectedItem.Text;
46            // ViewState["usertype"] = usertype.Text.ToString();
47            Session["UserID"] = Txtusername.Text.ToString();
48            Session["type"] = type.Text.ToString();
49            //DetailsView1.DataSource = userSet;
50            //DetailsView1.DataBind();          
51           // if (type.SelectedValue.ToString() == "2")
52               // userid.Text = Txtusername.Text;
53                //panel3.Visible = true;
54                Response.Redirect("/admin/default.aspx");
55             //Session["UserID"] = Txtusername.Text.ToString();
56            }
57        }
58    }
59
60