mapMapCustomPane refresh areaname list

designer_chart/src/com/fr/design/chart/series/PlotSeries/MapCustomPane.java

@@ -166,8 +166,13 @@ refreshAreaNameBox();
 		}
 		List<String> columnNameList = tableDataWrappe.calculateColumnNameList();
 
+		Object oldSelected = areaString.getSelectedItem();
 		areaString.removeAllItems();
-		areaString.setItemList(columnNameList);
+
+		for(String item : columnNameList) {
+			areaString.addItem(item);
+		}
+		areaString.getModel().setSelectedItem(oldSelected);
 	}
 
     /**