RS232 and chart

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  GUIDELINES:

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  The code below all the works.  What I want to say that I am filling successfully control combobox and datagrid with the appropriate data.  I'm not able to get the two communicate with each other.  In other words the datagrid is showing the whole table and ignoring the combobox.

  <? XML version = "1.0" encoding = "utf-8"? >
  "" < mx:Application xmlns:mx = "http://www.adobe.com/2006/mxml"
  Layout = "vertical".
  creationComplete = "initApp ()" >

  < mx:Script >
  <! [CDATA]
  Mx.rpc.events import. *;
  Mx.controls import. *;
  Mx.charts import. *;
  Import mx.collections. *;
  
  [Bindable]
  private var acMuni:ArrayCollection = new ArrayCollection collection;
  [Bindable]
  private var acCity:ArrayCollection = new ArrayCollection collection;
  
  private function initApp (): void {}
  muniHS.send ();
  cityHS.send ();
  }
  
  private void eHandler(e:ResultEvent):void {}
  acMuni = e.result.GetAllMUNIS.MUNIS;
  }
  
  private void fHandler(e:FaultEvent):void {}
  var faultInfo:String = "error code:"+ e.fault.faultCode + "\n\n"; "
  "faultInfo +=" error string: "+ e.fault.faultString+"\n\n;
  mx.controls.Alert.show (faultInfo, "lack of information");
  
  var eventInfo:String = "event target:"+ e.target+"\n\n"; "
  ' type of event eventInfo += ":"+ e.type+"\n\n;
  mx.controls.Alert.show (eventInfo, "Event information");
  }

  private void eCityHandler(e:ResultEvent):void {}
  this.acCity = e.result.GetCITIES.CITIES;
  }
  []] >
  < / mx:Script >

  < mx:HTTPService id = "muniHS".
  URL = "" Data / GetAllMunis.Xml ""
  result = "eHandler (Event)" "
  Fault = "fHandler (Event)" "
  showBusyCursor = "true" / >
  
  < mx:HTTPService id = "cityHS".
  URL = "" Data / CityNames.Xml ""
  resultFormat ="object"
  result = "eCityHandler (Event)" "
  Fault = "fHandler (Event)" "
  showBusyCursor = "true" / >
  
  < mx:Panel width = "100%" height = "50%".
  paddingBottom = "10".
  paddingLeft = "10".
  paddingRight = "10".
  paddingTop = "10" title = "DataGrid" >
  
  < mx:ComboBox id = "muniCB".
  dataProvider = "{acCity}".
  message = "SΘlectionner town".
  labelField = 'city' / >
  
  < mx:DataGrid id = "dg".
  Width = '100% '.
  Height = "100%".
  dataProvider = "{acMuni}" >
  < mx:columns >
  < mx:DataGridColumn headerText = "municipality" dataField = "City" / >
  < mx:DataGridColumn dataField = "year" / >
  < mx:DataGridColumn headerText = "month" dataField = "month_no" / >
  < mx:DataGridColumn headerText = "labor force" dataField = "laborforce" / >
  < mx:DataGridColumn dataField = "employee" / >
  < mx:DataGridColumn dataField = "unemployed" / >
  < mx:DataGridColumn headerText = "unemployment rate" dataField = "unemp_rate" / >
  < mx:DataGridColumn headerText = "tract" dataField = "geogkey" / >
  < mx:DataGridColumn headerText = "tract extended" dataField = "geogkeyx" / >
  < / mx:columns >
  < / mx:DataGrid >
  < / mx:Panel >
  < / mx:Application >

  Thanks for any help you can provide

  Richard Krell

  If the position meets your querstion or help, please mark it as such.

  First, use XMLListCollection to the data for the ConboBox and the xlcMuni result with Manager (instead of acMuni).

  Here is a simplified version of your app with the answer. It uses e4x for the filtering syntax.

  http://livedocs.Adobe.com/Flex/3/HTML/Help.HTML?content=13_Working_with_XML_03.html

  -CityNames.xml-

  
  
    Chicago
    New York City
    Boston
  

  -GetAllMunis.xml-

  
  
   
      Chicago
      1866
   
   
      New York City
      1872
   
   
      Boston
      1756
   
  

  -MainApp.mxml-

  
  http://www.Adobe.com/2006/mxml '.
  creationComplete = "muniHS.send ();cityHS.send();" » >
   
      Import mx.events.ListEvent;
  Mx.rpc.events import. *;
  Mx.controls import. *;
  Mx.charts import. *;
  Import mx.collections. *;
   
  [Bindable] private var xlcMuni:XMLListCollection = new XMLListCollection;
  [Bindable] private var xlcCity:XMLListCollection = new XMLListCollection;
  [Bindable] private var xlcDG:XMLListCollection = new XMLListCollection;
   
  private void eHandler(e:ResultEvent):void {}
  this.xlcMuni = new XMLListCollection (... with e.result);
  }
   
  private void eCityHandler(e:ResultEvent):void {}
  this.xlcCity = new XMLListCollection (e.result.city);
  }
       
  private void populateDG(evt:ListEvent):void {}
  var temp: XMLList = xlcMuni.copy ();
  xlcDG = new XMLListCollection (temp. () city is ComboBox (evt.currentTarget) .selectedItem));
  }
  ]]>
   
   
  useProxy = URL "" Data / GetAllMunis.xml ' = 'false' "
  result = "eHandler (Event)" / > "
   
  resultFormat = "e4x" result = "eCityHandler (event)" / > "
   
     
  prompt = labelField 'Select a common' = 'city '.
  change = "populateDG (Event)" / > "
     
  dataProvider = "{xlcDG}" >
       
         
         
       
     
   
  

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