Bug 134465 JDBC DataSource->sampledb.Driver can not be finished.
Steps: 1. Create a data source, select JDBC DataSource 2. Click next 3. Select org.eclipse.birt.report.data.oda.sampledb.Driver (Classic Models Inc. SampleDB Driver) 4. Test connection(Success) The dialog can not be finished("Finish" button is still gray out)
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/profile/JDBCSelectionPageHelper.java
private ComboViewer driverChooserCombo;
	
	private Text jdbcUrl, userName, password;
	
	private Button manageButton, testButton;
	
    static final String DEFAULT_MESSAGE = 
    	 JdbcPlugin.getResourceString( "wizard.message.createDataSource" ); 
	
	final private static String EMPTY_URL = JdbcPlugin.getResourceString( "error.emptyDatabaseUrl" );
	private final String JDBC_EXTENSION_ID="org.eclipse.birt.report.data.oda.jdbc";
    
    JDBCSelectionPageHelper( WizardPage page )
    {
        m_wizardPage = page;
    }
    JDBCSelectionPageHelper( PreferencePage page )
    {
        m_propertyPage = page;
    }
    void createCustomControl( Composite parent )
    {
		
		Composite content = new Composite( parent, SWT.NONE );
		
		GridLayout layout = new GridLayout( );
		layout.numColumns = 3;
		layout.verticalSpacing = 10;