Here is my advance data grid without grouping ,
http://old.nabble.com/file/p29282709/4.png Once I apply grouping, sorting is getting lost, see below , http://old.nabble.com/file/p29282709/5.png Here is piece of code which is applied after grouping is done and the GroupingCollection is assigned to the grid. //Sorting grid once grouping done dataGrid.validateNow(); var s:Sort = new Sort(); s.fields = [new SortField("hazardnum")]; s.compareFunction = hazardSortItems; dataGrid.dataProvider.sort=s; dataGrid.dataProvider.refresh(); Here is my compare function, private function hazardSortItems(a:Object, b:Object,fields:Array=null):int { return ObjectUtil.stringCompare(a.hazardnum.toString(),b.hazardnum.toString(),false); } -- View this message in context: http://old.nabble.com/Sorting-problem-after-grouping-tp29282709p29282709.html Sent from the FlexCoders mailing list archive at Nabble.com.