<%
dim conn
set conn=server.createobject("ADODB.connection")
conn.open "PROVIDER=SQLOLEDB;DATA SOURCE=db.janusgroup.cn;UID=web286418;PWD=j2z0h1v2;DATABASE=www_janusgroup_cn"
Set conn = Server.CreateObject("ADODB.Connection")
DSNtemp="DRIVER={SQL Server};SERVER=db.janusgroup.cn;UID=web286418;PWD=j2z0h1v2;DATABASE=www_janusgroup_cn"
conn.open DSNtemp
%>

方法二:

<%
option explicit
dim startime
dim conn
dim connstr
dim db,pass_word,User_ID,Data_Source
startime=timer()
db="www_db_cn"            '数据库名称
Pass_word="0h1v2"   'Password=帐号密码
User_ID="web2-sql8"      'User ID=登陆帐号
Data_Source="100.100.100.100"   'Data Source=服务名称或者ip 

Set conn = Server.CreateObject("ADODB.Connection")
connStr="Provider=SQLOLEDB.1;Password='"&pass_word&"';Persist Security Info=True;User ID='"&User_ID&"';Initial Catalog='"&db&"';Data Source='"&Data_Source&"'" 
conn.Open connstr
function CloseDb
Conn.close
Set conn = Nothing
End Function
%>