使用ADO的批量更新方法UpdateBatch
作者：袖梨
2022-06-30
'**************************************
' Name: Batch Update using ADO
' Description:ADO has a great batch upda
' te feature that not many people take adv
' antage of. You can use it to update many
' records at once without making multiple
' round trips to the database. Here is how
' to use it.
' By: Found on the World Wide Web
'
'
' Inputs:None
'
' Returns:None
'
'Assumes:None
'
'Side Effects:None
'
'Warranty:
'code provided by Planet Source Code(tm)
' (http://www.Planet-Source-Code.com) 'as
' is', without warranties as to performanc
' e, fitness, merchantability,and any othe
' r warranty (whether expressed or implied
' ).
'**************************************
>
Place Document Title Here
<%
Set cn = Server.CreateObject("ADODB.Connection")
Set rs = Server.CreateObject("ADODB.RecordSet")
cn.Open Application("guestDSN")
rs.ActiveConnection = cn
rs.CursorType = adOpenStatic
rs.LockType = adLockBatchOptimistic
rs.Source = "SELECT * FROM authors"
rs.Open
If (rs("au_fname") = "Paul") or (rs("au_fname") = "Johnson") Then
newval = "Melissa"
Else
newval = "Paul"
End If
If err <> 0 Then
%>
Error opening RecordSet
<% Else %>
Opened Successfully
' Name: Batch Update using ADO
' Description:ADO has a great batch upda
' te feature that not many people take adv
' antage of. You can use it to update many
' records at once without making multiple
' round trips to the database. Here is how
' to use it.
' By: Found on the World Wide Web
'
'
' Inputs:None
'
' Returns:None
'
'Assumes:None
'
'Side Effects:None
'
'Warranty:
'code provided by Planet Source Code(tm)
' (http://www.Planet-Source-Code.com) 'as
' is', without warranties as to performanc
' e, fitness, merchantability,and any othe
' r warranty (whether expressed or implied
' ).
'**************************************
<%
Set cn = Server.CreateObject("ADODB.Connection")
Set rs = Server.CreateObject("ADODB.RecordSet")
cn.Open Application("guestDSN")
rs.ActiveConnection = cn
rs.CursorType = adOpenStatic
rs.LockType = adLockBatchOptimistic
rs.Source = "SELECT * FROM authors"
rs.Open
If (rs("au_fname") = "Paul") or (rs("au_fname") = "Johnson") Then
newval = "Melissa"
Else
newval = "Paul"
End If
If err <> 0 Then
%>
Error opening RecordSet
<% Else %>
Opened Successfully
<% End If %>
