ADO Open Method

connection.Open connectionstring,userID,password,options

Provider= the name of the provider
File Name= the file that contains the connection information
Remote Provider= the name of the provider to open a client-side connection
Remote Server= the path name to the server to open a client-side connection
URL= the absolute URL address to use for the connection. 

See the ConnectionString property for details.

<%
set conn=Server.CreateObject("ADODB.Connection")
conn.Provider="Microsoft.Jet.OLEDB.4.0"
conn.Open "c:/webdata/northwind.mdb"
%>

A DSN-less connection with userID and password
(write the conn.open statement in ONE line):

<%
set conn=Server.CreateObject("ADODB.Connection")
conn.Open "Provider=Microsoft.Jet.OLEDB.4.0;
data source=c:/webdata/northwind.mdb;
userID=xxx;
password=yyy"
%>

An ODBC Database Connection:

<%
set conn=Server.CreateObject("ADODB.Connection") 
conn.Open "northwind"
%>