ADG grouping question

hi all,

i want display data next image in adg using grouping.

my dynamic function grouping is:

 

private function creategrouping():void{

                //summary fields , rows

                var sumac:arraycollection=new arraycollection();

                var i:number;

                var nsumm:summaryfield2;

               

                (i=1; <= yearslength; i++){

                    nsumm = new summaryfield2("field_" + i);

                    nsumm.datafield = "year_" + i;

                    nsumm.summaryoperation = "sum";

                    sumac.additem(nsumm);

                }

                sumac.refresh();

               

                var rsr:summaryrow = new summaryrow();

                rsr.summaryplacement = "group";

                rsr.fields = sumac.toarray();

               

                var gc:groupingcollection2 = null;

                gc = new groupingcollection2();

                gc.source = acsummary;

               

                var ngroup:grouping = new grouping();

                var fields:array = new array();

                var nfield:groupingfield = new groupingfield();

                nfield.name = "summary_group";

                //nfield.summaries = [rsr];

                fields.push(nfield);

               

                var nfield2:groupingfield=new groupingfield();

                nfield2.name = "summary_product_name";

                nfield2.summaries = [rsr];

                fields.push(nfield2);

               

                ngroup.fields = fields;

               

                gc.grouping = ngroup;

               

                summary_dg.dataprovider = gc;

            }

 

my issue products show 2 lines ones doesn't have subitems (from data example product 1,3, , 4 group a).

i building manually rsr, data arraycollection.

for products doesn't have items not setting summary_product_name field.

how can fix issue?

any ideas?

thanks

bump 1

 

forget dynamic function, can display data picture example in advanceddatagrid?

thanks

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