xml - Flex Stacked ColumnChart not showing up -

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i have following xml structure:

<root>    <day name="sun" values="21,22,25,26"/>    <day name="mon" values="27,20,22,25"/> </root>

i want represented in column chart stacked bars. first column comprise of columns stacked on each other values 21,22,25 , 26 corresponding sunday. length of values might change each time dataprovider updated. wrote code like:

var columnchart:columnchart = new columnchart(); columnchart.type="stacked"; var yaxisdata:string = "@values"; var xaxisdata:string = "@name"; var dp:xmllistcollection = new xmllistcollection(xmlfile.day);  columnchart.dataprovider = dp;  var valuelength:int = dp[0][yaxisdata].tostring().split(",").length; for(var count:int = 0;count<valuelength;count++){ var bseries:columnseries = new columnseries(); bseries.dataprovider = dataprovider; bseries.xfield = xaxisdata; bseries.yfield = yaxisdata+"["+count+"]"; columnchart.series.push(bseries); } var haxis:categoryaxis = new categoryaxis(); haxis.dataprovider = dp; haxis.categoryfield = xaxisdata ;    cartesianchart(columnchart).horizontalaxis = haxis;

but graph coming out empty. did go wrong?

below code may you:-

<?xml version="1.0" encoding="utf-8"?> <s:application xmlns:fx="http://ns.adobe.com/mxml/2009"                 xmlns:s="library://ns.adobe.com/flex/spark"                 xmlns:mx="library://ns.adobe.com/flex/mx" minwidth="955" minheight="600">     <fx:declarations>         <!-- place non-visual elements (e.g., services, value objects) here -->         <fx:xml format="e4x" id="xmlfile">             <root>                 <day name="fri" values="11,22,33,44,55,66"/>                 <day name="sat" values="10,20,30,40,50,60"/>                 <day name="sun" values="21,22,25,26,56,76"/>                 <day name="mon" values="5,10,15,20,25,30"/>             </root>         </fx:xml>     </fx:declarations>     <fx:script>         <![cdata[             import mx.charts.categoryaxis;             import mx.charts.columnchart;             import mx.charts.legend;             import mx.charts.chartclasses.cartesianchart;             import mx.charts.chartclasses.series;             import mx.charts.series.columnseries;             import mx.charts.series.columnset;             import mx.collections.arraycollection;             import mx.collections.xmllistcollection;               private function createchart():void             {                 var columnchart:columnchart = new columnchart();                 var dp:xmllistcollection = new xmllistcollection(xmlfile.day);                   var stackeddata:arraycollection = new arraycollection();                  var yaxisdata:string = "@values";                 var xaxisdata:string = "@name";                  var horizontalcategoryaxis:categoryaxis = new categoryaxis();                 horizontalcategoryaxis.categoryfield = "name";                 columnchart.horizontalaxis = horizontalcategoryaxis;                  var columnset:columnset = new columnset();                 columnset.type = "stacked";                  for(var row:int=0; row < dp.length; row++){                     var arraydata:array = dp[row][yaxisdata].tostring().split(",");                      var seriesarray:array = new array();                      var obj:object = new object();                     obj.name = dp[row][xaxisdata].tostring();                      for(var j:int=0; j < arraydata.length; j++)                     {                         obj["xvalues"+j] = arraydata[j].tostring();                     }                     stackeddata.additem(obj);                 }                  for(var col:int=0; col < arraydata.length; col++){                     var colmseries:columnseries = new columnseries();                     colmseries.yfield = "xvalues"+col;                     colmseries.displayname = "value @ "+col;                     seriesarray.push(colmseries);                 }                  columnset.series = seriesarray;                 columnchart.series = [columnset];                  columnchart.dataprovider = stackeddata;                 columnchart.percentwidth = 70;                 columnchart.percentheight = 70;                 columnchart.showdatatips = true;                  var legend:legend = new legend();                 legend.direction = "horizontal";                 legend.dataprovider = columnchart;                  container.addelement(columnchart);                 container.addelement(legend);             }          ]]>     </fx:script>      <s:vgroup id="container" width="100%" height="100%" creationcomplete="createchart()"/> </s:application>

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