ADO.NET OLEDB Connection
An instance of the OleDbConnection class in .NET Framework is supported the OLEDB Data Provider. The OleDbConnection instance takes Connection String as argument and pass the value to the Constructor statement. When the connection is established , SQL Commands may be executed, with the help of the Connection Object, to retrieve or manipulate data in the database.
Once the Database activities over , Connection should be closed and release the resources . The Close() method in SqlConnection class is used to close the Database Connection. The Close method rolls back any pending transactions and releases the Connection from the Database connected by the OLEDB Data Provider.
You have to provide the necessary informations to the Connection String.
connetionString = "Provider = Microsoft.Jet.OLEDB.4.0; Data Source = yourdatabasename.mdb;"
From the above statement replace yourdatabasename.mdb to the actual names.