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.ui.views/src/org/eclipse/birt/report/designer/internal/ui/views/attributes/provider/DataSetColumnBindingsFormHandleProvider.java
}
	public int[] getColumnWidths( )
	{
		return columnWidth;
	}
	public String getDisplayName( )
	{
		return Messages.getString( "DataSetColumnBindingsFormHandleProvider.TableTitle" ); 
	}
	public CellEditor[] getEditors( Table table )
	{
		if ( editors == null )
		{
			editors = new CellEditor[columnNames.length];
			for ( int i = 0; i < editors.length; i++ )
			{
				editors[i] = new TextCellEditor( table );
			}
		}
		return editors;
	}
	public boolean doMoveItem( int oldPos, int newPos ) throws Exception
	{
		return false;
	}
	public boolean doDeleteItem( int pos ) throws Exception
	{
		if ( pos > -1 )
		{
			if ( bindingObject instanceof ReportItemHandle )