当前文件： KuangLongCommunication/Login.aspx.cs[3K，2009-6-12 11:46:36]，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
 13public partial class Login : System.Web.UI.Page
 14...{
 15    amendPassword transfer;
 16  
 17    protected void Page_Load(object sender, EventArgs e)
 18    ...{
 19
 20    }
 21    protected void btnLogin_Click(object sender, EventArgs e)
 22    ...{
 23       
 24        transfer = new amendPassword();
 25        string NewPwd = this.txtUserPwd.Text.Trim();
 26        //string Oldpwd = transfer.EncryptPassword(NewPwd, "MD5").Trim();
 27        string sqlQuery = "select userId,userPwd from Users where userId='" + txtUserName.Text.Trim() + "'";
 28        
 29        //string pwdQuery = "select userPwd from Users where userId='" + txtUserName.Text + "'";
 30        //SqlConnection conn = new SqlConnection(ConfigurationManager.AppSettings["VoteConnectionString"]);
 31        //SqlCommand cmd = new SqlCommand(sqlQuery, conn);
 32
 33        DataBase DB = new DataBase();
 34        DataTable dt = DB.DataSelect(sqlQuery);
 35        try
 36        ...{
 37            //conn.Open();
 38            //SqlDataReader sdr = cmd.ExecuteReader();
 39            int Row = dt.Rows.Count;
 40             if (Row==0)
 41            ...{
 42                //string pwd1 = sdr["userPwd"].ToString();
 43                //string tt = transfer.EncryptPassword(pwd1, "MD5");
 44                //if (tt == Oldpwd)
 45                //    if (sdr["userPwd"].ToString() == Oldpwd)
 46                //{
 47                //    conn.Close();
 48                //    Session["userID"] = txtUserName.Text.Trim();
 49                //    Response.Redirect("TreeAddress/Tree.aspx");
 50
 51
 52                /**/////}
 53                //else
 54                //{
 55                //    //Response.Write("<script language=javascript>alert('密码错误!')</script>");
 56
 57
 58
 59                //}
 60                Response.Write(amendPassword.Show_MessageBox("没有此用户!"));
 61                this.txtUserName.Text = "";
 62                this.txtUserName.Focus();
 63                return;
 64
 65
 66
 67            }
 68            else
 69            ...{
 70                //Response.Write("<script language=javascript>alert('用户名错误或不存在')</script>");
 71                string sel_userid = dt.Rows[0]["UserID"].ToString();
 72                string sel_Pwd = dt.Rows[0]["userPwd"].ToString().Trim();
 73                string confirm_pwd = transfer.EncryptPassword(NewPwd, "MD5").Trim();
 74                if (sel_Pwd != confirm_pwd)
 75                ...{
 76                    Response.Write(amendPassword.Show_MessageBox("用户密码错误!"));
 77                    this.txtUserPwd.Text.Trim();
 78                    this.txtUserPwd.Focus();
 79                    return;
 80
 81
 82                }
 83                else
 84                ...{
 85                    
 86                    Session["userID"] = txtUserName.Text.Trim();
 87                    Response.Redirect("TreeAddress/Tree.aspx");
 88                
 89                
 90                }
 91
 92
 93
 94            }
 95
 96        }
 97        catch (System.Exception ee)
 98        ...{
 99            Response.Write("script language=javascript>alert('" + ee.Message.ToString() + "')</script>");
100
101
102
103
104        }
105     
106    }
107}
108