Bug 147604 Value in parameter list displays incorrectly with paramter group
Steps to reproduce: 1.Add a parameter group "pg" in report1, add a parameter"p" in the group 2.Add a label in report2, set a drill-through hyperlink, set target report is "report1", click parameter Expected result: Only one "p" lists in the value list Actual result: Two "p" appear
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/HyperlinkBuilder.java
createExpressionButton( group, bookmarkEditor );
	}
	private void createDrillthroughSelectShowTarget( Composite container )
	{
		Group group = new Group( container, SWT.NONE );
		group.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		group.setText( Messages.getString( "HyperlinkBuilder.DrillThroughStep4" ) ); 
		group.setLayout( new GridLayout( ) );
		sameWindowButton = new Button( group, SWT.RADIO );
		sameWindowButton.setText( Messages.getString( "HyperlinkBuilder.DrillThroughSamewindow" ) ); 
		newWindowButton = new Button( group, SWT.RADIO );
		newWindowButton.setText( Messages.getString( "HyperlinkBuilder.DrillThroughNewWindow" ) ); 
	}
	private void createDrillthroughSelectFormat( Composite container )
	{
		Group group = new Group( container, SWT.NONE );
		group.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		group.setText( Messages.getString( "HyperlinkBuilder.DrillThroughStep5" ) ); 
		group.setLayout( new GridLayout( ) );
		htmlButton = new Button( group, SWT.RADIO );
		htmlButton.setText( Messages.getString( "HyperlinkBuilder.DrillThroughHtml" ) ); 
		pdfButton = new Button( group, SWT.RADIO );
		pdfButton.setText( Messages.getString( "HyperlinkBuilder.DrillThroughPdf" ) ); 
	}
	private void createBindingTable( Composite parent )
	{
		Label label = new Label( parent, SWT.NONE );
		label.setText( LABEL_REPORT_PARAMETER );
		label.setLayoutData( new GridData( GridData.VERTICAL_ALIGN_BEGINNING
				| GridData.HORIZONTAL_ALIGN_END ) );