Bug 213946 The cancel button of select data binding doesn't work[13]
Description: The cancel button of select data binding doesn't work[13] Build number: 2.3.0.v20071227-0800 Steps to reproduce: 1, New a chart 2, Select the dataset 3, Open the data binding 4, Add a data binding 5, Click Cancel button in Select Data Binding dialog Expected result: After step5, the new data binding is canceled Actual result: After step5, the data binding is created. Error log:
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ExpressionBuilder.java
* 
	 * @return the created line number column
	 */
	private CompositeRuler createCompositeRuler( )
	{
		CompositeRuler ruler = new CompositeRuler( );
		ruler.setModel( new AnnotationModel( ) );
		return ruler;
	}
	/**
	 * Creates the vertical ruler to be used by this editor.
	 * 
	 * @return the vertical ruler
	 */
	private IVerticalRuler createVerticalRuler( )
	{
		IVerticalRuler ruler = createCompositeRuler( );
		if ( ruler instanceof CompositeRuler )
		{
			CompositeRuler compositeRuler = (CompositeRuler) ruler;
			compositeRuler.addDecorator( 0, createLineNumberRulerColumn( ) );
		}
		return ruler;
	}
	/**
	 * Validates the current script.
	 * 
	 * @return <code>true</code> if no error was found, <code>false</code>
	 *         otherwise.
	 */