+ "[\"" + ( (ParameterHandle) model ).getName( ) + "\"]";
+ "[\"" + ( (ParameterHandle) model ).getQualifiedName( ) + "\"]";
	public static String getExpression( Object model )	{		if ( model instanceof ParameterHandle )		{			return IReportElementConstants.PARAMETER_PREFIX					+ "[\"" + ( (ParameterHandle) model ).getName( ) + "\"]"; //$NON-NLS-1$ //$NON-NLS-2$		}		if ( model instanceof DataSetItemModel )		{			String colName = ( (DataSetItemModel) model ).getAlias( );			if ( colName == null || colName.trim( ).length( ) == 0 )			{				colName = ( (DataSetItemModel) model ).getName( );			}			return getColumnExpression( colName );		}		return null;	}