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 null;
		}
		return ExpressionUtil.createJSDataExpression( columnName );
	}
	
	/**
	 * Create a row expression base on a result set column name.
	 * 
	 * @param columnName
	 *            the column name
	 * @return the expression, or null if the column name is blank.
	 */
	public static String getResultSetColumnExpression( String columnName )
	{
		Assert.isNotNull( columnName );
		if ( StringUtil.isBlank( columnName ) )
		{
			return null;
		}
		
		
		
		return ExpressionUtil.createJSDataSetRowExpression( columnName );
	}
	/**
	 * Relativizes the path against this base path.
	 * 
	 * @param basePath
	 *            the base path