form2.frm

学生选修课程管理系统的设计与实现 目 录 一、需求分析 2 1.1系统简要分析 2 1.2 应用需求分析 2 二、概要设计 4 2.1业务流分析 4 2.2数据流分析 4 2.3程

VERSION 5.00
Begin VB.Form Form2 
   Caption         =   "修改密码"
   ClientHeight    =   5085
   ClientLeft      =   3000
   ClientTop       =   1470
   ClientWidth     =   6750
   LinkTopic       =   "Form2"
   Picture         =   "Form2.frx":0000
   ScaleHeight     =   5085
   ScaleWidth      =   6750
   Begin VB.Data Data1 
      Caption         =   "Data1"
      Connect         =   "Access"
      DatabaseName    =   ""
      DefaultCursorType=   0  '缺省游标
      DefaultType     =   2  '使用 ODBC
      Exclusive       =   0   'False
      Height          =   375
      Left            =   1320
      Options         =   0
      ReadOnly        =   0   'False
      RecordsetType   =   1  'Dynaset
      RecordSource    =   ""
      Top             =   4560
      Visible         =   0   'False
      Width           =   3615
   End
   Begin VB.CommandButton cmdReturn 
      Caption         =   "返回"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   4560
      TabIndex        =   9
      Top             =   3840
      Width           =   1455
   End
   Begin VB.CommandButton cmdSubmit 
      Caption         =   "提交"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   4560
      TabIndex        =   8
      Top             =   3120
      Width           =   1455
   End
   Begin VB.TextBox txtNewPass2 
      Height          =   375
      IMEMode         =   3  'DISABLE
      Left            =   1920
      PasswordChar    =   "*"
      TabIndex        =   7
      Top             =   3840
      Width           =   2055
   End
   Begin VB.TextBox txtNewPass 
      Height          =   375
      IMEMode         =   3  'DISABLE
      Left            =   1920
      PasswordChar    =   "*"
      TabIndex        =   6
      Top             =   3120
      Width           =   2055
   End
   Begin VB.TextBox txtOLdPass 
      Height          =   375
      IMEMode         =   3  'DISABLE
      Left            =   1920
      PasswordChar    =   "*"
      TabIndex        =   5
      Top             =   2400
      Width           =   2055
   End
   Begin VB.Label Label6 
      Caption         =   "在输一次"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   255
      Left            =   720
      TabIndex        =   4
      Top             =   3840
      Width           =   1095
   End
   Begin VB.Label Label5 
      Caption         =   "新密码"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   255
      Left            =   720
      TabIndex        =   3
      Top             =   3120
      Width           =   855
   End
   Begin VB.Label Label4 
      Caption         =   "旧密码"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   255
      Left            =   720
      TabIndex        =   2
      Top             =   2400
      Width           =   855
   End
   Begin VB.Label Label3 
      Caption         =   "学号"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   255
      Left            =   720
      TabIndex        =   1
      Top             =   1680
      Width           =   615
   End
   Begin VB.Label lblNumber 
      Height          =   255
      Left            =   1920
      TabIndex        =   0
      Top             =   1680
      Width           =   1935
   End
End
Attribute VB_Name = "Form2"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False

Private Sub cmdReturn_Click()
Form1.Show
Unload Me
End Sub

Private Sub cmdSubmit_Click()
  Data1.DatabaseName = App.Path & "\db1.mdb"
  Data1.RecordSource = "select * from 学生信息 where 密码='" & txtOLdPass.Text & " '"
  Data1.Refresh
If Data1.Recordset.EOF Then 'txtOLdPass.Text <> frmlogin.TxtNumber Then
   MsgBox ("密码不正确!")
   txtOLdPass.Text = ""
  ElseIf txtNewPass.Text = "" Then
      MsgBox ("新密码不能为空!")
    ElseIf txtNewPass.Text <> txtNewPass2.Text Then
        MsgBox ("两次输入的密码不相符!")
        txtNewPass.Text = ""
        txtOLdPass.Text = ""
      Else '成功修改密码
           'dim updatestring as String = "updata 学生信息 set 密码='" _
           '      & txtnewpass.Text  & " 'where 学号='" _
           '      &frmlogin.txtnumber & " '"
           Data1.Database.Execute ("Update 学生信息 set 密码='" & txtNewPass.Text & " 'where 密码='" & txtOLdPass.Text & " '")
           MsgBox ("密码已经成功修改")
           txtOLdPass.Text = ""
           txtNewPass.Text = ""
           txtNewPass2.Text = ""
End If
End Sub

Private Sub Form_Load()
'lblWelcome.Text = frmlogin.Data1.RecordSource & "你好:"
'lblNumber.Text = frmlogin.TxtNumber.Text
End Sub