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 void initFilter( )
	{
		if ( binding != null )
		{
			txtFilter.setText( binding.getFilterExpression( ) );
		}
	}
	private void initFunction( )
	{
		cmbFunction.setItems( getFunctionDisplayNames( ) );
		
		if ( binding == null )
		{
			cmbFunction.select( 0 );
			handleFunctionSelectEvent( );
			return;
		}
		String functionString = binding.getAggregateFunction( );
		int itemIndex = getItemIndex( getFunctionDisplayNames( ),
				functionString );
		cmbFunction.select( itemIndex );
		handleFunctionSelectEvent( );
		
		
		for ( Iterator iterator = binding.argumentsIterator( ); iterator.hasNext( ); )
		{
			AggregationArgumentHandle arg = (AggregationArgumentHandle) iterator.next( );
			if ( argsMap.containsKey( arg.getName( ) ) )
			{