//datagrid 에 콤보박스 넣는 부분

private function AddColums(addCount:int):void
{
 var columns:Array = setInitColumn(true);
 
 for(var i:int = 0; i < addCount; i++)
 {
  g_AllColumnArray.push({headerText:"항목선택", dataField:"", xmlIndex:g_ChildIndexOnXml} as Object);
  var col:DataGridColumn = new DataGridColumn("col" + i + 3);
  var colRender:ClassFactory = new ClassFactory(RendererComboBox);
  colRender.properties = {xmlIndex:g_ChildIndexOnXml};
  col.headerRenderer = colRender;
  col.width = 130;
  columns.push(col);
  g_ChildIndexOnXml++;
 }

 dataGrid.columns = columns;
}

//컬럼이 바뀌었을 때

public function columChanged(item:Object):void
{
 if(item != null) g_AllColumnArray[item.xmlIndex] = item;
}

<?xml version="1.0" encoding="utf-8"?>
<mx:HBox height="24" xmlns:mx="http://www.adobe.com/2006/mxml"
  horizontalAlign="center" verticalAlign="middle" horizontalScrollPolicy="off" creationComplete="initApp()">
 <mx:Script>
 <![CDATA[
   private var _xmlIndex:int;
 
  public function set xmlIndex(value:int):void
  {
   _xmlIndex = value;
  }
    
  public function get xmlIndex():int
  {
   return _xmlIndex;
  }

  private function Onchange():void
  {
   var item:Object = new Object();
     
   item.headerText = lvlLabel.selectedItem.label;
   item.dataField = lvlLabel.selectedItem.data;
   item.xmlIndex = _xmlIndex;
   parentDocument.columChanged(item);
  }
 
  private function initApp():void
  {
   lvlLabel.selectedIndex = 0;
  }
 ]]>
    </mx:Script>
 
    <mx:ComboBox width="100%" textAlign="left" id="lvlLabel" cornerRadius="0" height="100%" change="Onchange()">
     <mx:Object label="항목선택" data=""/>
     <mx:Object label="전자메일" data="emailId"/>
     <mx:Object label="회사" data="coNm"/>
     <mx:Object label="부서" data="coDept"/>
     <mx:Object label="직함" data="coHandle"/>
     <mx:Object label="우편번호(회사)" data="coZipCd"/>
     <mx:Object label="회사주소" data="coAddr1"/>
     <mx:Object label="회사전화" data="coTelNo"/>
     <mx:Object label="팩스" data="faxNo"/>
     <mx:Object label="우편번호(집)" data="homeZipCd"/>
     <mx:Object label="집주소" data="homeAddr1"/>
     <mx:Object label="집전화" data="homeTelNo"/>
     <mx:Object label="홈페이지" data="homepageUrl"/>
     <mx:Object label="메신저" data="messenger"/>
    </mx:ComboBox>
</mx:HBox>

/**
  * 참고 코드 : JAXB - 파일 읽기
  * @param input : xml 만들 리스트
  * @param pw: xml 쓸 곳 ( 여기서는 화면에 )
  * @return
  * @throws JAXBException
  */
 public void writeGroupXML(List input, PrintWriter pw) throws JAXBException, FileNotFoundException
 {
  ObjectFactory objFactory = new ObjectFactory();
  AddressBook ad = (AddressBook) objFactory.createAddressBook();
  AddressBook.Groups grps = objFactory.createAddressBookGroups();
 
  List grpList = grps.getGroup();

  for(int i=0; i<input.size(); i++)
  {
   GroupType grp = objFactory.createGroupType();
   GroupVO gv = new GroupVO();
   gv = (GroupVO)input.get(i);
   
   grp.setGroupNm(gv.getGroupNm());
   grp.setGroupSeqNo(gv.getGroupSeqNo());
   grpList.add(grp);
  }
 
  ad.setGroups(grps);
 
  JAXBContext jaxbContext = JAXBContext.newInstance(ObjectFactory.class);
  Marshaller marshaller = jaxbContext.createMarshaller();
  marshaller.setProperty(Marshaller.JAXB_ENCODING, "UTF-8");
  marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, new Boolean(true));
  marshaller.marshal(ad, pw);
 }

/**
  * 참고 코드 : JAXB - 파일 읽기
  * @param strFile 파일 경로 + 이름까지
  * @return
  * @throws JAXBException
  */
 public List readXMLFile(String strFile) throws JAXBException
 {
  JAXBContext jaxbContext = JAXBContext.newInstance("com.evelyn.msg.xml");
  Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
  AddressBook ad= (AddressBook)unmarshaller.unmarshal(new File(strFile));
   
  AddressBook.Buddies bds = ad.getBuddies();
  List bdt = bds.getBuddy();
 
  for(int i = 0; i < bdt.size(); i++)
  {
   BuddyType bt = (BuddyType)bdt.get(i);
  }
  return bdt;
 }

 /**
  * 참고 코드 : JAXB - XML 문자열 읽기
  * @param strXml XML 문자열
  * @return
  * @throws JAXBException
  */
 public List readXML(String strXml) throws JAXBException
 {
  if(strXml == "")
  {
   logger.info("null string");
   return null;
  }
 
  JAXBContext jaxbContext = JAXBContext.newInstance("com.evelyn.msg.xml");
  Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
  StringBuffer xmlStr = new StringBuffer(strXml);
  AddressBook ad = (AddressBook)unmarshaller.unmarshal(new StreamSource(new StringReader( xmlStr.toString())));
  AddressBook.Buddies bds = ad.getBuddies();
  List bdt = bds.getBuddy();
  return bdt;
 }

<?xml version="1.0" encoding="EUC-KR"?>
<xs:schema xmlns:jaxb="http://java.sun.com/xml/ns/jaxb" xmlns:xs="http://www.w3.org/2001/XMLSchema" jaxb:version="1.0">
 <xs:element name="AddressBook">
  <xs:complexType>
   <xs:sequence>
    <xs:element name="buddies" minOccurs="0">
     <xs:complexType>
      <xs:sequence>
       <xs:element name="buddy" type="buddyType" maxOccurs="unbounded"/>
      </xs:sequence>
     </xs:complexType>
    </xs:element>
    <xs:element name="groups" minOccurs="0">
     <xs:complexType>
      <xs:sequence>
       <xs:element name="group" type="groupType" maxOccurs="unbounded"/>
      </xs:sequence>
     </xs:complexType>
    </xs:element>
   </xs:sequence>
  </xs:complexType>
 </xs:element>
 <xs:complexType name="groupType">
  <xs:sequence>
   <xs:element name="groupSeqNo">
    <xs:simpleType>
     <xs:restriction base="xs:long"/>
    </xs:simpleType>
   </xs:element>
   <xs:element name="groupNm">
    <xs:simpleType>
     <xs:restriction base="xs:string"/>
    </xs:simpleType>
   </xs:element>
  </xs:sequence>
 </xs:complexType>
 <xs:complexType name="buddyType">
  <xs:sequence>
   <xs:element name="buddyNm">
    <xs:simpleType>
     <xs:restriction base="xs:string">
      <xs:minLength value="1"/>
     </xs:restriction>
    </xs:simpleType>
   </xs:element>
   <xs:element name="hpNo">
    <xs:simpleType>
     <xs:restriction base="xs:string">
      <xs:pattern value="[0-9\-]*"/>
     </xs:restriction>
    </xs:simpleType>
   </xs:element>
   <xs:element name="emailId" minOccurs="0">
    <xs:simpleType>
     <xs:restriction base="xs:string"/>
    </xs:simpleType>
   </xs:element>
  </xs:sequence>
 </xs:complexType>
</xs:schema>