Bug 193227 Static Context sensitive help missing from ODA Jdbc and Sampledb Data Source Connection UI Pages
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/profile/JDBCSelectionPageHelper.java
testButton = new Button( content, SWT.PUSH );
		testButton.setText( JdbcPlugin.getResourceString( "wizard.label.testConnection" ) );
		
		testButton.setLayoutData( new GridData( GridData.CENTER ) );
		
		addControlListeners( );
		updateTestButton( );
		verifyJDBCProperties( );
		
		Utility.setSystemHelp( content,
				IHelpConstants.CONEXT_ID_DATASOURCE_JDBC );
	}
    
    /**
     * populate properties
     * @param profileProps
     */
	void initCustomControl( Properties profileProps )
	{
		if ( profileProps == null || profileProps.isEmpty( ) )
			return; 
		String driverClass = profileProps.getProperty( Constants.ODADriverClass );
		if ( driverClass == null )
			driverClass = EMPTY_STRING;
		setDriverSelection( driverClass );
		String odaUrl = profileProps.getProperty( Constants.ODAURL );
		if ( odaUrl == null )
			odaUrl = EMPTY_STRING;
		jdbcUrl.setText( odaUrl );
		String odaUser = profileProps.getProperty( Constants.ODAUser );