第一个窗体
Dim WithEvents adoPrimaryRS As Recordset
Dim mbChangedByCode As Boolean
Dim mvBookMark As Variant
Dim mbEditFlag As Boolean
Dim mbAddNewFlag As Boolean
Dim mbDataChanged As BooleanPrivate Sub Command1_Click()
ddd.Show
End SubPrivate Sub Form_Load()
Dim db As Connection
Set db = New Connection
db.CursorLocation = adUseClient
db.Open "PROVIDER=Microsoft.Jet.OLEDB.3.51;Data Source=E:\我的文档\数据库.mdb;" Set adoPrimaryRS = New Recordset
adoPrimaryRS.Open "select 品名,规格,单位,单价 from 发行赠品", 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 SubPrivate Sub Form_Resize()
On Error Resume Next
lblStatus.Width = Me.Width - 1500
cmdNext.Left = lblStatus.Width + 700
cmdLast.Left = cmdNext.Left + 340
End SubPrivate 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 SubPrivate Sub Form_Unload(Cancel As Integer)
Screen.MousePointer = vbDefault
End SubPrivate 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 SubPrivate 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 SubPrivate Sub cmdAdd_Click()
On Error GoTo AddErr
With adoPrimaryRS
If Not (.BOF And .EOF) Then
mvBookMark = .Book
End If
.AddNew
lblStatus.Caption = "添加记录"
mbAddNewFlag = True
SetButtons False
End With Exit Sub
AddErr:
MsgBox Err.Description
End SubPrivate Sub cmdDelete_Click()
On Error GoTo DeleteErr
With adoPrimaryRS
.Delete
.MoveNext
If .EOF Then .MoveLast
End With
Exit Sub
DeleteErr:
MsgBox Err.Description
End SubPrivate 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 SubPrivate Sub cmdEdit_Click()
On Error GoTo EditErr lblStatus.Caption = "编辑记录"
mbEditFlag = True
SetButtons False
Exit SubEditErr:
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.Book = mvBookMark
Else
adoPrimaryRS.MoveFirst
End If
mbDataChanged = FalseEnd SubPrivate 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 SubPrivate Sub cmdClose_Click()
Unload Me
End SubPrivate Sub cmdFirst_Click()
On Error GoTo GoFirstError adoPrimaryRS.MoveFirst
mbDataChanged = False Exit SubGoFirstError:
MsgBox Err.Description
End SubPrivate Sub cmdLast_Click()
On Error GoTo GoLastError adoPrimaryRS.MoveLast
mbDataChanged = False Exit SubGoLastError:
MsgBox Err.Description
End SubPrivate 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 SubPrivate 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 SubPrivate 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 SubPrivate Sub txtFields_Change(Index As Integer)
abc = txtFields(0).Text
End Sub
Dim WithEvents adoPrimaryRS As Recordset
Dim mbChangedByCode As Boolean
Dim mvBookMark As Variant
Dim mbEditFlag As Boolean
Dim mbAddNewFlag As Boolean
Dim mbDataChanged As BooleanPrivate Sub Form_Load()
Dim db As Connection
Set db = New Connection
db.CursorLocation = adUseClient
db.Open "PROVIDER=Microsoft.Jet.OLEDB.3.51;Data Source=E:\我的文档\数据库.mdb;" Set adoPrimaryRS = New Recordset
adoPrimaryRS.Open "select 赠品名称,数量,单位,规格,出库日期,录入时间,收货站名 from 发行赠品出库表 where 赠品名称= " & abc, db, adOpenStatic, adLockOptimistic Set grdDataGrid.DataSource = adoPrimaryRS
mbDataChanged = False
End SubPrivate Sub Form_Resize()
On Error Resume Next
'当窗体调整时会调整网格
grdDataGrid.Height = Me.ScaleHeight - 30 - picButtons.Height - picStatBox.Height
lblStatus.Width = Me.Width - 1500
cmdNext.Left = lblStatus.Width + 700
cmdLast.Left = cmdNext.Left + 340
End SubPrivate 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 SubPrivate Sub Form_Unload(Cancel As Integer)
Screen.MousePointer = vbDefault
End SubPrivate 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 SubPrivate 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 SubPrivate Sub cmdAdd_Click()
On Error GoTo AddErr
adoPrimaryRS.MoveLast
adoPrimaryRS.AddNew
grdDataGrid.SetFocus Exit Sub
AddErr:
MsgBox Err.Description
End SubPrivate Sub cmdDelete_Click()
On Error GoTo DeleteErr
With adoPrimaryRS
.Delete
.MoveNext
If .EOF Then .MoveLast
End With
Exit Sub
DeleteErr:
MsgBox Err.Description
End SubPrivate Sub cmdRefresh_Click()
'只有多用户应用程序需要
On Error GoTo RefreshErr
Set grdDataGrid.DataSource = Nothing
adoPrimaryRS.Requery
Set grdDataGrid.DataSource = adoPrimaryRS Exit Sub
RefreshErr:
MsgBox Err.Description
End SubPrivate Sub cmdEdit_Click()
On Error GoTo EditErr lblStatus.Caption = "编辑记录"
mbEditFlag = True
SetButtons False
Exit SubEditErr:
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.Book = mvBookMark
Else
adoPrimaryRS.MoveFirst
End If
mbDataChanged = FalseEnd SubPrivate 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 SubPrivate Sub cmdClose_Click()
Unload Me
End SubPrivate Sub cmdFirst_Click()
On Error GoTo GoFirstError adoPrimaryRS.MoveFirst
mbDataChanged = False Exit SubGoFirstError:
MsgBox Err.Description
End SubPrivate Sub cmdLast_Click()
On Error GoTo GoLastError adoPrimaryRS.MoveLast
mbDataChanged = False Exit SubGoLastError:
MsgBox Err.Description
End SubPrivate 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 SubPrivate 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 SubGoPrevError:
MsgBox Err.Description
End SubPrivate 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