private function onResult(event:Event):void
{
return;
}
]]>
</mx:Script>

<mx:Model id=”employeeModel”>
<root>
<empName>{empName.text}</empName>
<age>{age.text}</age>
<skills>{skills.text}</skills>
</root>
</mx:Model>

<mx:HTTPService id=”employees” useProxy=”false” method=”POST” url=”employee.jsp”/>
<mx:DataGrid dataProvider=”{employees.lastResult.people.person}” width=”50%”>
<mx:columns>
<mx:DataGridColumn dataField=”name” headerText=”Name” />
<mx:DataGridColumn dataField=”age” headerText=”Age”/>
<mx:DataGridColumn dataField=”skills” headerText=”Skills”/>
</mx:columns>
</mx:DataGrid>

<mx:StringValidator id=”empNameValidator” source=”{empName}” property=”text” triggerEvent=”"/>
<mx:Form width=”100%” height=”100%” x=”50″ y=”400″>
<mx:FormItem label=”Enter name:” required=”true”>
<mx:TextInput id=”empName” />
</mx:FormItem>
<mx:FormItem label=”Enter age:”>
<mx:TextInput id=”age” />
</mx:FormItem>
<mx:FormItem label=”Enter skills”>
<mx:TextInput id=”skills” />
</mx:FormItem>

<mx:Button label=”Add Employee” click=”validateEmpName()”/>

</mx:Form>

</mx:Application> 

———————————————————————
here is code for employee.jsp
———————————————————————
<%
String employees=”<?xml version=\’1.0\’ encoding=\’UTF-8\’?><people><person><name>Alex</name><age>22</age><skills>java, HTML, SQL</skills></person><person><name>Brandon Smith</name><age>21</age><skills>PowerScript, JavaScript, ActionScript</skills></person><person><name>Jeremy Plant</name><age>20</age><skills>SQL, C++, Java</skills></person>”;

String name=request.getParameter(“empName”);
String age=request.getParameter(“age”);
String skills=request.getParameter(“skills”);
String newEmployee =”<person><name>” + name+ “</name><age>” + age + “</age><skills>”+ skills +”</skills></person>”;

if (name == null){
 out.println(employees+”</people>”);
}else{
 out.println(employees + newEmployee + “</people>”);
}
%>