修改密码.frm

数据库招生管理系统 SQL2000 有Visual B做的

VERSION 5.00
Begin VB.Form xitong3 
   Caption         =   "修改密码"
   ClientHeight    =   3960
   ClientLeft      =   60
   ClientTop       =   465
   ClientWidth     =   5430
   LinkTopic       =   "Form2"
   Picture         =   "修改密码.frx":0000
   ScaleHeight     =   3960
   ScaleWidth      =   5430
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton cmdChPwdCancel 
      Caption         =   "取    消"
      Height          =   495
      Left            =   2880
      TabIndex        =   9
      Top             =   3240
      Width           =   1455
   End
   Begin VB.CommandButton cmdChPwdOk 
      Caption         =   "确    定"
      Height          =   495
      Left            =   840
      TabIndex        =   8
      Top             =   3240
      Width           =   1455
   End
   Begin VB.TextBox txtNewPwdagain 
      Height          =   405
      IMEMode         =   3  'DISABLE
      Left            =   2160
      PasswordChar    =   "*"
      TabIndex        =   3
      Top             =   2400
      Width           =   2055
   End
   Begin VB.TextBox txtNewPwd 
      Height          =   375
      IMEMode         =   3  'DISABLE
      Left            =   2160
      PasswordChar    =   "*"
      TabIndex        =   2
      Top             =   1800
      Width           =   2055
   End
   Begin VB.TextBox txtOldPwd 
      Height          =   375
      IMEMode         =   3  'DISABLE
      Left            =   2160
      PasswordChar    =   "*"
      TabIndex        =   1
      Top             =   1200
      Width           =   2055
   End
   Begin VB.TextBox txtChUser 
      Height          =   375
      Left            =   2160
      TabIndex        =   0
      Top             =   600
      Width           =   2055
   End
   Begin VB.Label lblPwdagain 
      BackStyle       =   0  'Transparent
      Caption         =   "新密码确认："
      Height          =   375
      Left            =   840
      TabIndex        =   7
      Top             =   2520
      Width           =   1095
   End
   Begin VB.Label lblNewPwd 
      BackStyle       =   0  'Transparent
      Caption         =   "新 密 码："
      Height          =   375
      Left            =   840
      TabIndex        =   6
      Top             =   1920
      Width           =   975
   End
   Begin VB.Label lblOldPwd 
      BackStyle       =   0  'Transparent
      Caption         =   "原 密 码："
      Height          =   375
      Left            =   840
      TabIndex        =   5
      Top             =   1320
      Width           =   975
   End
   Begin VB.Label lblChUser 
      BackStyle       =   0  'Transparent
      Caption         =   "用 户 名："
      Height          =   375
      Left            =   840
      TabIndex        =   4
      Top             =   720
      Width           =   1095
   End
End
Attribute VB_Name = "xitong3"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub cmdChPwdCancel_Click()
   Unload Me
End Sub

Private Sub cmdChPwdOk_Click()
   Dim rstUser As New ADODB.Recordset
   Dim sql As String
   '先检测两次输入的新密码时候一样
   If txtNewPwd.Text <> txtNewPwdagain.Text Then
      MsgBox "两次输入的密码不同！请重新输入", vbOKOnly + vbInformation, ""
      '光标定位于新密码textbox中
      txtNewPwd.SetFocus
      Exit Sub
   End If
   '先检查此用户名及密码是否正确
   sql = "select * from 用户 where 用户名 = '" & txtChUser.Text & "' and " _
   & " 密码= '" & txtOldPwd.Text & "'"
   rstUser.Open sql, conn, adOpenKeyset, adLockPessimistic
    If rstUser.EOF = True Then
        MsgBox "老用户名或密码错误！", vbOKOnly + vbExclamation, ""
        txtChUser.Text = ""
        txtChUser.SetFocus
        txtOldPwd.Text = ""
        rstUser.Close
        Exit Sub
    Else
       rstUser.Fields(1) = txtNewPwd.Text
       rstUser.Update
       MsgBox "修改密码成功！", vbOKOnly + vbInformation, ""
       rstUser.Close
       Unload Me
    End If
End Sub