ADO Open Method
 Complete Connection Object Reference
The Open method opens a connection to a data source. When the connection
is open, you can execute commands against the data source.
Syntax
connection.Open connectionstring,userID,password,options
|
| Parameter |
Description |
| connectionstring |
Optional. A string value that contains information about the connection.
The string is composed of a series of parameter=value statements separated by semicolons.
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.
|
| userID |
Optional. A String value that contains a user name for the connection
|
| password |
Optional. A String value that contains a password for the connection
|
| options |
Optional. A ConnectOptionEnum
value that determines whether this method should return after or before
the connection is established.
|
Example
A DSN-less connection:
<%
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"
%>
|
ConnectOptionEnum
| Constant |
Value |
Description |
| adConnectUnspecified |
-1 |
Default. Opens the connection synchronously (after). |
| adAsyncConnect |
16 |
Opens the connection asynchronously (before). |
Complete Connection Object Reference
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