Bug 196748 Report Designer implementation of BPS80 - result set sharing
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/BindingDialogHelper.java
cmbGroup.setEnabled( true );
			}
		} );
		cmbGroup = new Combo( aggOnComposite, SWT.BORDER | SWT.READ_ONLY );
		cmbGroup.setLayoutData( new GridData( GridData.FILL_HORIZONTAL
				| GridData.GRAB_HORIZONTAL ) );
	}
	private void createCommonSection( Composite composite )
	{
		new Label( composite, SWT.NONE ).setText( EXPRESSION );
		txtExpression = new Text( composite, SWT.BORDER );
		txtExpression.setLayoutData( new GridData( GridData.FILL_HORIZONTAL
				| GridData.GRAB_HORIZONTAL ) );
		createExpressionButton( composite, txtExpression );
		txtExpression.addModifyListener( new ModifyListener( ) {
			public void modifyText( ModifyEvent e )
			{
				verifyInput( );
			}
		} );
	}
	private void createMessageSection( Composite composite )
	{
		messageLine = new CLabel( composite, SWT.NONE );
		GridData layoutData = new GridData(GridData.FILL_HORIZONTAL);
		layoutData.horizontalSpan = 3;
		messageLine.setLayoutData( layoutData );
	}
	private void verifyInput( )
	{