form16.frm

学生管理系统：包括查询

VERSION 5.00
Begin VB.Form Form12 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "修改密码"
   ClientHeight    =   5310
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   7335
   LinkTopic       =   "Form12"
   MaxButton       =   0   'False
   MDIChild        =   -1  'True
   MinButton       =   0   'False
   ScaleHeight     =   5310
   ScaleWidth      =   7335
   Begin VB.CommandButton Command2 
      Caption         =   "退出"
      Height          =   975
      Left            =   4080
      TabIndex        =   5
      Top             =   3600
      Width           =   1575
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确认"
      Height          =   975
      Left            =   840
      TabIndex        =   4
      Top             =   3600
      Width           =   1575
   End
   Begin VB.TextBox Text2 
      Height          =   855
      IMEMode         =   3  'DISABLE
      Left            =   2640
      PasswordChar    =   "*"
      TabIndex        =   3
      Top             =   1680
      Width           =   2415
   End
   Begin VB.TextBox Text1 
      Height          =   735
      IMEMode         =   3  'DISABLE
      Left            =   2640
      PasswordChar    =   "*"
      TabIndex        =   2
      Top             =   720
      Width           =   2415
   End
   Begin VB.Label Label2 
      Alignment       =   2  'Center
      BackStyle       =   0  'Transparent
      Caption         =   "请确认密码："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   1095
      Left            =   360
      TabIndex        =   1
      Top             =   1920
      Width           =   2295
   End
   Begin VB.Label Label1 
      Alignment       =   2  'Center
      BackStyle       =   0  'Transparent
      Caption         =   "请输入新密码："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   360
      TabIndex        =   0
      Top             =   840
      Width           =   2415
   End
   Begin VB.Image Image1 
      Height          =   5295
      Left            =   -120
      Picture         =   "Form16.frx":0000
      Stretch         =   -1  'True
      Top             =   0
      Width           =   7455
   End
End
Attribute VB_Name = "Form12"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim conn As New ADODB.Connection
Dim mrc As New ADODB.Recordset
Private Sub Command1_Click()
Dim txtsql As String
txtsql = "select * from 用户表 where 用户表.用户名= " & "'" & Form1.use & "'"
 Set mrc = executesql(txtsql)
If Trim(Text1.Text) <> Trim(Text2.Text) Then
   MsgBox "两次输入密码不一样 请确认!", , "警告"
   Exit Sub
  Else
   If Text2.Text = "" Then
      MsgBox "密码不能为空!", vbExclamation, "警告"
   Else
      mrc.Fields(1).Value = Trim(Text1.Text)
    mrc.Update
    MsgBox "修改密码成功!", , "修改密码"
    Me.Hide
    End If
 End If

End Sub
Public Function executesql(ByVal sql As String) As ADODB.Recordset
Dim cnn As ADODB.Connection
Dim rst As ADODB.Recordset
Set cnn = New ADODB.Connection
Dim stokens() As String
stokens = Split(sql)
cnn.Open "Provider = Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\student.mdb"
If InStr(" INSERT,DELETE,UPDATE", UCase$(stokens(0))) Then
cnn.Execute sql
Else
Set rst = New ADODB.Recordset
rst.Open Trim$(sql), cnn, adOpenKeyset, adLockOptimistic
Set executesql = rst
End If

End Function

Private Sub Command2_Click()
Me.Enabled = False
Me.Hide
End Sub

Private Sub Form_Load()
connstr = "Provider = Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\student.mdb"
conn.Open connstr
Text1.Text = ""
Text2.Text = ""
End Sub