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
{
			slotID = findSlotID( parent, child );
		}
		else
		{
			slotID = getDefaultSlotID( parent );
		}
		return slotID;
	}
	/**
	 * Get the slot id of child If the slot id was not found, returns the
	 * default slot id
	 * 
	 * @param parent
	 * @param child
	 * @return slot id
	 */
	public static String getContentProperty( Object parent, Object child )
	{
		assert parent instanceof DesignElementHandle;
		String retValue = "";
		if ( child != null )
		{
			retValue = ( (DesignElementHandle) child ).getContainerPropertyHandle( )
					.getDefn( )
					.getName( );
		}
		else
		{
			retValue = getDefaultContentName( parent );