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dim conn
set conn=server.CreateObject("ADODB.connection")
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Response.buffer=true
Call Com_CreatValidCode("validateCode")
Sub Com_CreatValidCode(pSN)
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Response.Expires = -9999
Response.AddHeader "Pragma","no-cache"
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If Not IsNull(Request("fileName")) Then r = DownLoadFile(Request("fileName"))
Function DownLoadFile(fileName)
Dim s,fso,f,fLen
fileName = Server.MapPath(fileName)
'create stream
Set s = Server.CreateObject("ADODB.Stream")
s.Open()
s.Type = 1
Set fso = Server.CreateObject ......
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