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If you are writing an application in a language that can use Microsoft ActiveX Data Objects (ADO)—such as Visual Basic, ASP scripting languages, and so forth—you can access a Synergy database via ADO. Note the following:
For information on using ADO.NET, see Accessing Synergy data in a .NET environment.
To access Synergy data using ADO, you need a connection string that includes all the information needed to make the connection. The following is the syntax for a connection string that uses a DSN:
where dsn is a DSN, user is a user name, pwd is the password for the user, and connect is the name of a connect file for the Synergy database.
Note the following:
The following ADO example uses Visual Basic. In this example, a DSN (MyDSN) is used to make a connection to the sample Synergy database.
<% DIM sConnStr sConnStr = "DSN=MyDSN;UID=DBADMIN;PWD=MANAGER;" DIM SQLQuery SQLQuery = "SELECT * FROM Customers" Set OBJdbConn = Server.CreateObject("ADODB.Connection") OBJdbConn.Open sConnStr Set RsCustomerList = OBJdbConn.Execute(SQLQuery)
You can connect to a local Synergy database without using a DSN. DSN‑less connection strings are not supported for remote connections.
Use the following syntax for the connection string:
where user is the user name, pwd is the password for the user, and connect is the name of the connect file for the database. If you don’t supply a user name, password, or connect file name, and one is needed for the connection, the user will be prompted to supply the missing information.
With DSN‑less connections, you cannot override the defaults for settings listed in step 5 of Adding a user or system DSN (settings such as the maximum number of columns that can be returned for a query).
The following example is a line of Visual Basic code that connects to the sample Synergy database without using a DSN: