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set rs=server.createobject("adodb.recordset")
sql="select * from YONGHU where (ID is null)"
rs.open sql,conn,1,3
rs.addnew
rs("USERNAME")=request("username")
rs.update
rs.close
set rs=nothing
conn.close 
set conn=nothing
session("username")=rs("name")
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    dim db
set db=Server.CreateObject("Adodb.Connection")
db.Open "Driver={Microsoft Access Driver (*.mdb)};Dbq=" & Server.Mappath("../mdb/count.mdb")
dim strSql,rs,visitNum
strSql="Select visitNum from counter "
SET rs=db.Execute(strSql)
   if session("agai ......

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