将ado方便的转化为XML文件（adPersistXML）

<%
' 删除已经存在的文件
Dim objFSO
Set objFSO = Server.CreateObject("Scripting.FileSystemObject")
If objFSO.FileExists(Server.MapPath("db_xml.xml")) Then
    objFSO.DeleteFile Server.MapPath("db_xml.xml")
End IF
Set objFSO = Nothing
' 定义变量，很好的习惯
Dim cnnXML    ' ADO 连接
Dim rstXML    ' ADO 记录集
Set cnnXML = Server.CreateObject("ADODB.Connection")
cnnXML.Open "Provider=SQLOLEDB;Data Source=10.2.1.214;" _
    & "Initial Catalog=samples;User Id=samples;Password=password;" _
    & "Connect Timeout=15;Network Library=dbmssocn;"
Set rstXML = Server.CreateObject("ADODB.Recordset")
Set rstXML = cnnXML.Execute("SELECT * FROM scratch ORDER BY id;")
Response.Write "

Saving data as XML...

" & vbCrLf
' 保存xml各式的文件.
rstXML.Save Server.MapPath("db_xml.xml"), adPersistXML
' 关闭数据库连接，释放对象
rstXML.Close
Set rstXML = Nothing
cnnXML.Close
Set cnnXML = Nothing
Response.Write "

XML file written...

" & vbCrLf
Response.Write "

Click here to view the file.

" & vbCrLf
%>