Bug 189806 Add aggregation data item to a table - Exception is thrown
- Add a table with dataset to a report design - DnD aggregation from palette to the table footer - Aggregation builder is shown - Choose SUM function on "Quantity orderred" data field Current behavior - A exception is thrown which say java.util.EmptyStackException
xtab/org.eclipse.birt.report.item.crosstab.ui/src/org/eclipse/birt/report/item/crosstab/internal/ui/dialogs/CrosstabBindingDialogHelper.java
private Text txtDisplayName;
	public void createContent( Composite parent )
	{
		composite = parent;
		( (GridLayout) composite.getLayout( ) ).numColumns = 3;
		GridData gd = new GridData( GridData.FILL_BOTH );
		gd.widthHint = 380;
		if ( isAggregate( ) )
		{
			gd.heightHint = 300;
		}
		else
		{
			gd.heightHint = 120;
		}
		composite.setLayoutData( gd );
		new Label( composite, SWT.NONE ).setText( NAME );
		txtName = new Text( composite, SWT.BORDER );
		txtName.setLayoutData( new GridData( GridData.FILL_HORIZONTAL
				| GridData.GRAB_HORIZONTAL ) );
		WidgetUtil.createGridPlaceholder( composite, 1, false );
		txtName.addModifyListener( new ModifyListener( ) {
			public void modifyText( ModifyEvent e )
			{
				validate( );
			}
		} );
		new Label( composite, SWT.NONE ).setText( DISPLAY_NAME );
		txtDisplayName = new Text( composite, SWT.BORDER );
		txtDisplayName.setLayoutData( new GridData( GridData.FILL_HORIZONTAL