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
DesignElementHandle baseElement )
	{
		int level = 0;
		for ( DesignElementHandle elementHandle = baseElement; elementHandle.getContainer( ) != null; elementHandle = getBindingHolder( elementHandle ).getContainer( ), level++ )
		{
			DesignElementHandle bindingHolder = getBindingHolder( elementHandle );
			if ( bindingHolder == holder )
			{
				return level;
			}
			if ( holder instanceof GroupHandle
					&& bindingHolder == holder.getContainer( ) )
			{
				return level;
			}
		}
		return -1;
	}
	/**
	 * Check if the given element is linked from a library or not.
	 * 
	 * @param handle
	 *            the handle of the element to check
	 * @return true if it is linked from a library ,or false if else;
	 * 
	 */
	public static boolean isLinked( DesignElementHandle handle )
	{
		if ( handle.getExtends( ) != null )
		{