On Error Resume Next
Dim sql 'SQL语句
Dim rs 'RecordSet记录集
Set rs = Server.CreateObject("ADODB.RecordSet")
rs.ActiveConnection = conn
rs.CurSorType = 1
rs.LockType = 1
sql = "select * From [table]"
rs.Source = sql
rs.Open
IF err.num > 0 Then
response.write "<script language=javascript>alert('连接数据库操时');location.href=main.asp;</script>"
End IF
set opendb=session(sessionname)
end function
if session(sessionname)="" then
response.write "<script LANGUAGE='javascript'>alert('数据库链接超时!');history.go(-1);</script>"
end if
%>