该范例连同 CancelBatch 方法说明 UpdateBatch 方法。
Public Sub UpdateBatchX()
Dim rstTitles As ADODB.Recordset
Dim strCnn As String
Dim strTitle As String
Dim strMessage As String
' 将连接字符串赋值给变量。
strCnn = "Provider=sqloledb;" & _
"Data Source=srv;Initial Catalog=pubs;User Id=sa;Password=; "
Set rstTitles = New ADODB.Recordset
rstTitles.CursorType = adOpenKeyset
rstTitles.LockType = adLockBatchOptimistic
rstTitles.Open "titles", strCnn, , , adCmdTable
rstTitles.MoveFirst
' 对记录集执行循环并询问用户是否要更改指定标题的类型。
Do Until rstTitles.EOF
If Trim(rstTitles!Type) = "psychology" Then
strTitle = rstTitles!Title
strMessage = "Title: " & strTitle & vbCr & _
"Change type to self help?"
If MsgBox(strMessage, vbYesNo) = vbYes Then
rstTitles!Type = "self_help"
End If
End If
rstTitles.MoveNext
Loop
' 询问用户是否要提交以上所作的全部更改。
If MsgBox("Save all changes?", vbYesNo) = vbYes Then
rstTitles.UpdateBatch
Else
rstTitles.CancelBatch
End If
' 打印记录集中的当前数据。
rstTitles.Requery
rstTitles.MoveFirst
Do While Not rstTitles.EOF
Debug.Print rstTitles!Title & " - " & rstTitles!Type
rstTitles.MoveNext
Loop
' 恢复原始值,因为这只是演示。
rstTitles.MoveFirst
Do Until rstTitles.EOF
If Trim(rstTitles!Type) = "self_help" Then
rstTitles!Type = "psychology"
End If
rstTitles.MoveNext
Loop
rstTitles.UpdateBatch
rstTitles.Close
End Sub