Bug 191089 cross tab Binding tab- Aggregate On field is shows incorrect field name
Cross tab-Binding under properties hows incorrect field for 'Aggregate On'. It show show similar to regular table binding 'Aggregate On' field. For example; instead of Location/country it should show either 'N/A' for table or 'Group Country' for any group.
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DEUtil.java
return getVisiableColumnBindingsList( handle, true );
	}
	/**
	 * Returns all visible column bindings for the given element
	 * 
	 * @param handle
	 *            the handle of the element
	 * @return the list of all visible column bindings.The list order is from
	 *         the top to the given element
	 */
	public static List getVisiableColumnBindingsList(
			DesignElementHandle handle, boolean includeSelf )
	{
		List bindingList = new ArrayList( );
		if ( includeSelf )
		{
			Iterator iterator = getBindingColumnIterator( handle );
			while ( iterator.hasNext( ) )
			{
				bindingList.add( iterator.next( ) );
			}
		}
		ReportItemHandle holder = getBindingHolder( handle );
		if ( holder != null )
		{
			for ( DesignElementHandle elementHandle = handle.getContainer( ); elementHandle != holder.getContainer( ); elementHandle = elementHandle.getContainer( ) )
			{
				List subBindingList = new ArrayList( );
				Iterator iterator = getBindingColumnIterator( elementHandle );
				while ( iterator.hasNext( ) )