frmaddusers.frm
来自「使用VB仿QQ界面开发的ICQ程序,采用C/S结架,实现简单文字聊天.」· FRM 代码 · 共 530 行
FRM
530 行
VERSION 5.00
Begin VB.Form frmusers
BorderStyle = 3 'Fixed Dialog
Caption = "users"
ClientHeight = 2940
ClientLeft = 1095
ClientTop = 375
ClientWidth = 5775
KeyPreview = -1 'True
LinkTopic = "Form1"
MaxButton = 0 'False
MinButton = 0 'False
ScaleHeight = 2940
ScaleWidth = 5775
Begin VB.PictureBox picButtons
Align = 2 'Align Bottom
Appearance = 0 'Flat
BorderStyle = 0 'None
ForeColor = &H80000008&
Height = 300
Left = 0
ScaleHeight = 300
ScaleWidth = 5775
TabIndex = 20
Top = 2340
Width = 5775
Begin VB.CommandButton cmdCancel
Caption = "取消(&C)"
Height = 300
Left = 1213
TabIndex = 27
Top = 0
Visible = 0 'False
Width = 1095
End
Begin VB.CommandButton cmdUpdate
Caption = "更新(&U)"
Height = 300
Left = 59
TabIndex = 26
Top = 0
Visible = 0 'False
Width = 1095
End
Begin VB.CommandButton cmdClose
Caption = "关闭(&C)"
Height = 300
Left = 4675
TabIndex = 25
Top = 0
Width = 1095
End
Begin VB.CommandButton cmdRefresh
Caption = "刷新(&R)"
Height = 300
Left = 3521
TabIndex = 24
Top = 0
Width = 1095
End
Begin VB.CommandButton cmdDelete
Caption = "删除(&D)"
Height = 300
Left = 2367
TabIndex = 23
Top = 0
Width = 1095
End
Begin VB.CommandButton cmdEdit
Caption = "编辑(&E)"
Height = 300
Left = 1213
TabIndex = 22
Top = 0
Width = 1095
End
Begin VB.CommandButton cmdAdd
Caption = "添加(&A)"
Height = 300
Left = 59
TabIndex = 21
Top = 0
Width = 1095
End
End
Begin VB.PictureBox picStatBox
Align = 2 'Align Bottom
Appearance = 0 'Flat
BorderStyle = 0 'None
ForeColor = &H80000008&
Height = 300
Left = 0
ScaleHeight = 300
ScaleWidth = 5775
TabIndex = 14
Top = 2640
Width = 5775
Begin VB.CommandButton cmdLast
Height = 300
Left = 4545
Picture = "frmAddUsers.frx":0000
Style = 1 'Graphical
TabIndex = 18
Top = 0
UseMaskColor = -1 'True
Width = 345
End
Begin VB.CommandButton cmdNext
Height = 300
Left = 4200
Picture = "frmAddUsers.frx":0342
Style = 1 'Graphical
TabIndex = 17
Top = 0
UseMaskColor = -1 'True
Width = 345
End
Begin VB.CommandButton cmdPrevious
Height = 300
Left = 345
Picture = "frmAddUsers.frx":0684
Style = 1 'Graphical
TabIndex = 16
Top = 0
UseMaskColor = -1 'True
Width = 345
End
Begin VB.CommandButton cmdFirst
Height = 300
Left = 0
Picture = "frmAddUsers.frx":09C6
Style = 1 'Graphical
TabIndex = 15
Top = 0
UseMaskColor = -1 'True
Width = 345
End
Begin VB.Label lblStatus
BackColor = &H00FFFFFF&
BorderStyle = 1 'Fixed Single
Height = 285
Left = 690
TabIndex = 19
Top = 0
Width = 3360
End
End
Begin VB.TextBox txtFields
DataField = "Address"
Height = 285
Index = 6
Left = 2040
TabIndex = 13
Top = 1980
Width = 3375
End
Begin VB.TextBox txtFields
DataField = "E_mail"
Height = 285
Index = 5
Left = 2040
TabIndex = 11
Top = 1660
Width = 3375
End
Begin VB.TextBox txtFields
DataField = "Dept"
Height = 285
Index = 4
Left = 2040
TabIndex = 9
Top = 1340
Width = 3375
End
Begin VB.TextBox txtFields
DataField = "six"
Height = 285
Index = 3
Left = 2040
TabIndex = 7
Top = 1020
Width = 3375
End
Begin VB.TextBox txtFields
DataField = "password"
Height = 285
Index = 2
Left = 2040
TabIndex = 5
Top = 700
Width = 3375
End
Begin VB.TextBox txtFields
DataField = "username"
Height = 285
Index = 1
Left = 2040
TabIndex = 3
Top = 380
Width = 3375
End
Begin VB.TextBox txtFields
DataField = "ID"
Height = 285
Index = 0
Left = 2040
TabIndex = 1
Top = 60
Width = 3375
End
Begin VB.Label lblLabels
Caption = "Address:"
Height = 255
Index = 6
Left = 120
TabIndex = 12
Top = 1980
Width = 1815
End
Begin VB.Label lblLabels
Caption = "E_mail:"
Height = 255
Index = 5
Left = 120
TabIndex = 10
Top = 1660
Width = 1815
End
Begin VB.Label lblLabels
Caption = "Dept:"
Height = 255
Index = 4
Left = 120
TabIndex = 8
Top = 1340
Width = 1815
End
Begin VB.Label lblLabels
Caption = "six:"
Height = 255
Index = 3
Left = 120
TabIndex = 6
Top = 1020
Width = 1815
End
Begin VB.Label lblLabels
Caption = "password:"
Height = 255
Index = 2
Left = 120
TabIndex = 4
Top = 700
Width = 1815
End
Begin VB.Label lblLabels
Caption = "username:"
Height = 255
Index = 1
Left = 120
TabIndex = 2
Top = 380
Width = 1815
End
Begin VB.Label lblLabels
Caption = "ID:"
Height = 255
Index = 0
Left = 120
TabIndex = 0
Top = 60
Width = 1815
End
End
Attribute VB_Name = "frmusers"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim WithEvents adoPrimaryRS As Recordset
Attribute adoPrimaryRS.VB_VarHelpID = -1
Dim mbChangedByCode As Boolean
Dim mvBookMark As Variant
Dim mbEditFlag As Boolean
Dim mbAddNewFlag As Boolean
Dim mbDataChanged As Boolean
Private Sub Form_Load()
Dim db As Connection
Set db = New Connection
db.CursorLocation = adUseClient
db.Open "PROVIDER=Microsoft.Jet.OLEDB.4.0;Data Source=D:\D_Office\CS架构ICQ通讯程序\Server\imdb.mdb;"
Set adoPrimaryRS = New Recordset
adoPrimaryRS.Open "select ID,username,password,six,Dept,E_mail,Address from users", db, adOpenStatic, adLockOptimistic
Dim oText As TextBox
'绑定文本框到数据提供者
For Each oText In Me.txtFields
Set oText.DataSource = adoPrimaryRS
Next
mbDataChanged = False
End Sub
Private Sub Form_Resize()
On Error Resume Next
lblStatus.Width = Me.Width - 1500
cmdNext.Left = lblStatus.Width + 700
cmdLast.Left = cmdNext.Left + 340
End Sub
Private Sub Form_KeyDown(KeyCode As Integer, Shift As Integer)
If mbEditFlag Or mbAddNewFlag Then Exit Sub
Select Case KeyCode
Case vbKeyEscape
cmdClose_Click
Case vbKeyEnd
cmdLast_Click
Case vbKeyHome
cmdFirst_Click
Case vbKeyUp, vbKeyPageUp
If Shift = vbCtrlMask Then
cmdFirst_Click
Else
cmdPrevious_Click
End If
Case vbKeyDown, vbKeyPageDown
If Shift = vbCtrlMask Then
cmdLast_Click
Else
cmdNext_Click
End If
End Select
End Sub
Private Sub Form_Unload(Cancel As Integer)
Screen.MousePointer = vbDefault
End Sub
Private Sub adoPrimaryRS_MoveComplete(ByVal adReason As ADODB.EventReasonEnum, ByVal pError As ADODB.Error, adStatus As ADODB.EventStatusEnum, ByVal pRecordset As ADODB.Recordset)
'为这个 recordset 显示当前记录位置
lblStatus.Caption = "Record: " & CStr(adoPrimaryRS.AbsolutePosition)
End Sub
Private Sub adoPrimaryRS_WillChangeRecord(ByVal adReason As ADODB.EventReasonEnum, ByVal cRecords As Long, adStatus As ADODB.EventStatusEnum, ByVal pRecordset As ADODB.Recordset)
'验证代码置于此处
'下列动作发生时该事件被调用
Dim bCancel As Boolean
Select Case adReason
Case adRsnAddNew
Case adRsnClose
Case adRsnDelete
Case adRsnFirstChange
Case adRsnMove
Case adRsnRequery
Case adRsnResynch
Case adRsnUndoAddNew
Case adRsnUndoDelete
Case adRsnUndoUpdate
Case adRsnUpdate
End Select
If bCancel Then adStatus = adStatusCancel
End Sub
Private Sub cmdAdd_Click()
On Error GoTo AddErr
With adoPrimaryRS
If Not (.BOF And .EOF) Then
mvBookMark = .Bookmark
End If
.AddNew
lblStatus.Caption = "添加记录"
mbAddNewFlag = True
SetButtons False
End With
Exit Sub
AddErr:
MsgBox Err.Description
End Sub
Private Sub cmdDelete_Click()
On Error GoTo DeleteErr
With adoPrimaryRS
.Delete
.MoveNext
If .EOF Then .MoveLast
End With
Exit Sub
DeleteErr:
MsgBox Err.Description
End Sub
Private Sub cmdRefresh_Click()
'只有多用户应用程序需要
On Error GoTo RefreshErr
adoPrimaryRS.Requery
Exit Sub
RefreshErr:
MsgBox Err.Description
End Sub
Private Sub cmdEdit_Click()
On Error GoTo EditErr
lblStatus.Caption = "编辑记录"
mbEditFlag = True
SetButtons False
Exit Sub
EditErr:
MsgBox Err.Description
End Sub
Private Sub cmdCancel_Click()
On Error Resume Next
SetButtons True
mbEditFlag = False
mbAddNewFlag = False
adoPrimaryRS.CancelUpdate
If mvBookMark > 0 Then
adoPrimaryRS.Bookmark = mvBookMark
Else
adoPrimaryRS.MoveFirst
End If
mbDataChanged = False
End Sub
Private Sub cmdUpdate_Click()
On Error GoTo UpdateErr
adoPrimaryRS.UpdateBatch adAffectAll
If mbAddNewFlag Then
adoPrimaryRS.MoveLast '移到新记录
End If
mbEditFlag = False
mbAddNewFlag = False
SetButtons True
mbDataChanged = False
Exit Sub
UpdateErr:
MsgBox Err.Description
End Sub
Private Sub cmdClose_Click()
Unload Me
End Sub
Private Sub cmdFirst_Click()
On Error GoTo GoFirstError
adoPrimaryRS.MoveFirst
mbDataChanged = False
Exit Sub
GoFirstError:
MsgBox Err.Description
End Sub
Private Sub cmdLast_Click()
On Error GoTo GoLastError
adoPrimaryRS.MoveLast
mbDataChanged = False
Exit Sub
GoLastError:
MsgBox Err.Description
End Sub
Private Sub cmdNext_Click()
On Error GoTo GoNextError
If Not adoPrimaryRS.EOF Then adoPrimaryRS.MoveNext
If adoPrimaryRS.EOF And adoPrimaryRS.RecordCount > 0 Then
Beep
'已到最后返回
adoPrimaryRS.MoveLast
End If
'显示当前记录
mbDataChanged = False
Exit Sub
GoNextError:
MsgBox Err.Description
End Sub
Private Sub cmdPrevious_Click()
On Error GoTo GoPrevError
If Not adoPrimaryRS.BOF Then adoPrimaryRS.MovePrevious
If adoPrimaryRS.BOF And adoPrimaryRS.RecordCount > 0 Then
Beep
'已到最后返回
adoPrimaryRS.MoveFirst
End If
'显示当前记录
mbDataChanged = False
Exit Sub
GoPrevError:
MsgBox Err.Description
End Sub
Private Sub SetButtons(bVal As Boolean)
cmdAdd.Visible = bVal
cmdEdit.Visible = bVal
cmdUpdate.Visible = Not bVal
cmdCancel.Visible = Not bVal
cmdDelete.Visible = bVal
cmdClose.Visible = bVal
cmdRefresh.Visible = bVal
cmdNext.Enabled = bVal
cmdFirst.Enabled = bVal
cmdLast.Enabled = bVal
cmdPrevious.Enabled = bVal
End Sub
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