frmuser.frm

学生管理系统,用VB开发的,若需要可提供相关论文

VERSION 5.00
Begin VB.Form frmuser 
   Caption         =   "用户管理"
   ClientHeight    =   2445
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4935
   ControlBox      =   0   'False
   LinkTopic       =   "Form1"
   LockControls    =   -1  'True
   ScaleHeight     =   2445
   ScaleWidth      =   4935
   StartUpPosition =   2  'CenterScreen
   Begin VB.CommandButton Command8 
      Caption         =   "返回"
      Height          =   375
      Left            =   3240
      TabIndex        =   12
      Top             =   1800
      Width           =   1335
   End
   Begin VB.CommandButton Command7 
      Caption         =   "取消"
      Height          =   375
      Left            =   1680
      TabIndex        =   11
      Top             =   1800
      Width           =   1335
   End
   Begin VB.CommandButton Command6 
      Caption         =   "确定"
      Height          =   375
      Left            =   240
      TabIndex        =   10
      Top             =   1800
      Width           =   1215
   End
   Begin VB.CommandButton Command5 
      Caption         =   "修改"
      Height          =   375
      Left            =   3240
      TabIndex        =   9
      Top             =   1320
      Width           =   1335
   End
   Begin VB.CommandButton Command4 
      Caption         =   "删除"
      Height          =   375
      Left            =   1680
      TabIndex        =   8
      Top             =   1320
      Width           =   1335
   End
   Begin VB.CommandButton Command3 
      Caption         =   "添加"
      Height          =   375
      Left            =   240
      TabIndex        =   7
      Top             =   1320
      Width           =   1215
   End
   Begin VB.Frame Frame1 
      Caption         =   "浏览"
      Height          =   735
      Left            =   2880
      TabIndex        =   4
      Top             =   240
      Width           =   1695
      Begin VB.CommandButton Command2 
         Caption         =   ">>"
         Height          =   375
         Left            =   840
         TabIndex        =   6
         Top             =   240
         Width           =   615
      End
      Begin VB.CommandButton Command1 
         Caption         =   "<<"
         Height          =   375
         Left            =   240
         TabIndex        =   5
         Top             =   240
         Width           =   615
      End
   End
   Begin VB.TextBox Text2 
      Height          =   270
      IMEMode         =   3  'DISABLE
      Left            =   1080
      PasswordChar    =   "*"
      TabIndex        =   3
      Top             =   720
      Width           =   1575
   End
   Begin VB.TextBox Text1 
      Height          =   270
      Left            =   1080
      TabIndex        =   2
      Top             =   345
      Width           =   1575
   End
   Begin VB.Label Label2 
      Caption         =   "密码："
      Height          =   255
      Left            =   360
      TabIndex        =   1
      Top             =   720
      Width           =   735
   End
   Begin VB.Label Label1 
      Caption         =   "用户名："
      Height          =   255
      Left            =   240
      TabIndex        =   0
      Top             =   360
      Width           =   975
   End
End
Attribute VB_Name = "frmuser"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim rsmuser As ADODB.Recordset

Private Sub Command1_Click()
 Command2.Enabled = True
If rsmuser.RecordCount > 0 Then

    rsmuser.MovePrevious
  If Not rsmuser.BOF Then
    
    displayuserinfo
    
  Else
  Command1.Enabled = False
    rsmuser.MoveNext
    displayuserinfo
    
   
   End If
 Else
   MsgBox "database error!"
   
End If
End Sub

Private Sub Command2_Click()
 Command1.Enabled = True
If rsmuser.RecordCount > 0 Then
        rsmuser.MoveNext
    If Not rsmuser.EOF Then
        displayuserinfo
    Else
     Command2.Enabled = False
        rsmuser.MovePrevious
        displayuserinfo
    
    End If
   
Else
   MsgBox "database error!"

End If
End Sub

Private Sub Command3_Click()
Command6.Enabled = True
Command7.Enabled = True
Command1.Enabled = False
Command2.Enabled = False
Command3.Enabled = False
Command4.Enabled = False
Command5.Enabled = False
Text1.Text = ""
Text2.Text = ""
Text1.SetFocus
judge = True
End Sub

Private Sub Command4_Click()

Dim bresult As Integer
If rsmuser.RecordCount > 0 Then
 
    bresult = MsgBox("你确实要删除吗?", vbOKCancel)
  If bresult = vbCancel Then
   Exit Sub
   
  Else
    rsmuser.Delete adAffectCurrent
    rsmuser.Update
    rsmuser.Requery
    displayuserinfo
    
 
 End If

Else
  MsgBox "The Database is Empty!"
End If
End Sub

Private Sub Command5_Click()
Command6.Enabled = True
Command7.Enabled = True
Command1.Enabled = False
Command2.Enabled = False
Command4.Enabled = False
Command3.Enabled = False
Command5.Enabled = False
Text1.SetFocus
SendKeys "{home}+{end}"
judge = False
End Sub

Private Sub Command6_Click()
If judge = True Then   'add
   rsmuser.AddNew
  With rsmuser
 
  
   .Fields(0) = Text1.Text
   .Fields(1) = Text2.Text
   
  End With
 rsmuser.Update
 rsmuser.Requery
Command1.Enabled = True
Command2.Enabled = True
Command3.Enabled = True
Command4.Enabled = True
Command5.Enabled = True
Command6.Enabled = False
Command7.Enabled = False

 
 
 Else 'modify
     rsmuser.Update
     
  With rsmuser
  
   .Fields(0) = Text1.Text
   .Fields(1) = Text2.Text
  
  
 End With
 rsmuser.Update
Command1.Enabled = True
Command2.Enabled = True
Command4.Enabled = True
Command3.Enabled = True
Command5.Enabled = True
Command6.Enabled = False
Command7.Enabled = False

 End If
 
End Sub

Private Sub Command7_Click()
If judge = True Then
  If rsmuser.RecordCount > 0 Then
        rsmuser.MoveFirst
        displayuserinfo
Command1.Enabled = True
Command2.Enabled = True
Command3.Enabled = True
Command4.Enabled = True
Command5.Enabled = True
Command6.Enabled = False
Command7.Enabled = False

   Else
    MsgBox "database error!"
  End If
Else
Command1.Enabled = True
Command2.Enabled = True
Command3.Enabled = True
Command4.Enabled = True
Command5.Enabled = True
Command6.Enabled = False
Command7.Enabled = False


End If



End Sub

Private Sub Command8_Click()
Unload Me
frmmain.Visible = True
End Sub

Private Sub Form_Load()
Set rsmuser = New ADODB.Recordset
rsmuser.Open "select * from userinfo where username not like 'administrator'", cn, adOpenStatic, adLockOptimistic

If rsmuser.RecordCount > 0 Then

 rsmuser.MoveFirst     '首先移到第一条记录
 displayuserinfo


 Else
    MsgBox "database error!"
    
End If
Command6.Enabled = False
Command7.Enabled = False

End Sub

Public Sub displayuserinfo()


If rsmuser.RecordCount > 0 Then
Text1.Text = rsmuser.Fields(0)
Text2.Text = rsmuser.Fields(1)

Else
MsgBox "data error!"

End If


End Sub