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shawls 2002-03-19
http://listenshaw.myetang.com/ado210.chm
你看了就直到了，m$官方资料
suncom_zhu 2002-03-19
多谢，立即试试。
water_j 2002-03-19
Public Sub main()
Dim conn As New ADODB.Connection
Dim cmd As New ADODB.Command
Dim rs As New ADODB.Recordset
‘步骤 1
conn.Open "DSN=pubs;uid=sa;pwd=;database=pubs"
‘步骤 2
Set cmd.ActiveConnection = conn
cmd.CommandText = "SELECT * from authors"
‘步骤 3
rs.CursorLocation = adUseClient
rs.Open cmd, , adOpenStatic, adLockBatchOptimistic
‘步骤 4
rs("au_lname").Properties("Optimize") = True
rs.Sort = "au_lname"
rs.Filter = "phone LIKE '415 5*'"
rs.MoveFirst
Do While Not rs.EOF
Debug.Print "Name: " & rs("au_fname") & " "; rs("au_lname") & _
"Phone: "; rs("phone") & vbCr
rs("phone") = "777" & Mid(rs("phone"), 5, 11)
rs.MoveNext
Loop
‘步骤 5
conn.BeginTrans
‘步骤 6 - A
On Error GoTo ConflictHandler
rs.UpdateBatch
On Error GoTo 0
conn.CommitTrans
Exit Sub
‘ 步骤 6 - B
ConflictHandler:
rs.Filter = adFilterConflictingRecords
rs.MoveFirst
Do While Not rs.EOF
Debug.Print "Conflict: Name: " & rs("au_fname"); " " & rs("au_lname")
rs.MoveNext
Loop
conn.Rollback
Resume Next
End Sub
Dim conn As New ADODB.Connection
Dim cmd As New ADODB.Command
Dim rs As New ADODB.Recordset
‘步骤 1
conn.Open "DSN=pubs;uid=sa;pwd=;database=pubs"
‘步骤 2
Set cmd.ActiveConnection = conn
cmd.CommandText = "SELECT * from authors"
‘步骤 3
rs.CursorLocation = adUseClient
rs.Open cmd, , adOpenStatic, adLockBatchOptimistic
‘步骤 4
rs("au_lname").Properties("Optimize") = True
rs.Sort = "au_lname"
rs.Filter = "phone LIKE '415 5*'"
rs.MoveFirst
Do While Not rs.EOF
Debug.Print "Name: " & rs("au_fname") & " "; rs("au_lname") & _
"Phone: "; rs("phone") & vbCr
rs("phone") = "777" & Mid(rs("phone"), 5, 11)
rs.MoveNext
Loop
‘步骤 5
conn.BeginTrans
‘步骤 6 - A
On Error GoTo ConflictHandler
rs.UpdateBatch
On Error GoTo 0
conn.CommitTrans
Exit Sub
‘ 步骤 6 - B
ConflictHandler:
rs.Filter = adFilterConflictingRecords
rs.MoveFirst
Do While Not rs.EOF
Debug.Print "Conflict: Name: " & rs("au_fname"); " " & rs("au_lname")
rs.MoveNext
Loop
conn.Rollback
Resume Next
End Sub
water_j 2002-03-19
ADO 教程 (VB)
Public Sub main()
Dim conn As New ADODB.Connection
Dim cmd As New ADODB.Command
Dim rs As New ADODB.Recordset
‘步骤 1
conn.Open "DSN=pubs;uid=sa;pwd=;database=pubs"
‘步骤 2
Set cmd.ActiveConnection = conn
cmd.CommandText = "SELECT * from authors"
‘步骤 3
rs.CursorLocation = adUseClient
rs.Open cmd, , adOpenStatic, adLockBatchOptimistic
‘步骤 4
rs("au_lname").Properties("Optimize") = True
rs.Sort = "au_lname"
rs.Filter = "phone LIKE '415 5*'"
rs.MoveFirst
Do While Not rs.EOF
Debug.Print "Name: " & rs("au_fname") & " "; rs("au_lname") & _
"Phone: "; rs("phone") & vbCr
rs("phone") = "777" & Mid(rs("phone"), 5, 11)
rs.MoveNext
Loop
‘步骤 5
conn.BeginTrans
‘步骤 6 - A
On Error GoTo ConflictHandler
rs.UpdateBatch
On Error GoTo 0
conn.CommitTrans
Exit Sub
‘ 步骤 6 - B
ConflictHandler:
rs.Filter = adFilterConflictingRecords
rs.MoveFirst
Do While Not rs.EOF
Debug.Print "Conflict: Name: " & rs("au_fname"); " " & rs("au_lname")
rs.MoveNext
Loop
conn.Rollback
Resume Next
End Sub
Visual Basic 教程到此结束。
Public Sub main()
Dim conn As New ADODB.Connection
Dim cmd As New ADODB.Command
Dim rs As New ADODB.Recordset
‘步骤 1
conn.Open "DSN=pubs;uid=sa;pwd=;database=pubs"
‘步骤 2
Set cmd.ActiveConnection = conn
cmd.CommandText = "SELECT * from authors"
‘步骤 3
rs.CursorLocation = adUseClient
rs.Open cmd, , adOpenStatic, adLockBatchOptimistic
‘步骤 4
rs("au_lname").Properties("Optimize") = True
rs.Sort = "au_lname"
rs.Filter = "phone LIKE '415 5*'"
rs.MoveFirst
Do While Not rs.EOF
Debug.Print "Name: " & rs("au_fname") & " "; rs("au_lname") & _
"Phone: "; rs("phone") & vbCr
rs("phone") = "777" & Mid(rs("phone"), 5, 11)
rs.MoveNext
Loop
‘步骤 5
conn.BeginTrans
‘步骤 6 - A
On Error GoTo ConflictHandler
rs.UpdateBatch
On Error GoTo 0
conn.CommitTrans
Exit Sub
‘ 步骤 6 - B
ConflictHandler:
rs.Filter = adFilterConflictingRecords
rs.MoveFirst
Do While Not rs.EOF
Debug.Print "Conflict: Name: " & rs("au_fname"); " " & rs("au_lname")
rs.MoveNext
Loop
conn.Rollback
Resume Next
End Sub
Visual Basic 教程到此结束。