how to send data in xml format in asp.net as specified below

Hi
use below code and sample xml then execute

buttonclick()
{
// just read xml.so only need to know how to arrange Datatables inside DataSet.
DataSet dtt = new DataSet();
dtt.ReadXml(AppDomain.CurrentDomain.BaseDirectory + "XMLFile1.xml");

//just get xml from using above dataset check whether getting same xml or not.
XmlDataDocument XDD = new XmlDataDocument(dtt);
XmlElement Xel =XDD.DocumentElement;
string testdata = XDD.InnerXml;
}



XMLFile1.xml

<?xml version="1.0" encoding="utf-8" ?>
<Course>
  <Chapter Name="ABC">
    <Module Name="Module1">
      <Page Name="Polio">
        <Image>http://dl.dropboxusercontent.com/u/71411762/faiyyaz/b1.png</Image>
        <Text>http://dl.dropboxusercontent.com/u/71411762/faiyyaz/1.mp3</Text>
        <Sound>Shaking hands briefly</Sound>
      </Page>

      <Page Name="Malaria">
        <Work>http://dl.dropboxusercontent.com/u/71411762/faiyyaz/g1.png</Work>
        <City>http://dl.dropboxusercontent.com/u/71411762/faiyyaz/2.mp3</City>
        <Amount>200</Amount>
      </Page>

      <Page Name="Typhoid">
        <Work>http://dl.dropboxusercontent.com/u/71411762/faiyyaz/b2.png</Work>
        <City>http://dl.dropboxusercontent.com/u/71411762/faiyyaz/3.mp3</City>
        <Amount>2002</Amount>
      </Page>

    </Module>
    <Module Name="Module2">
      <Page Name="Polio123">
        <Work>http://dl.dropboxusercontent.com/u/71411762/faiyyaz/g2.png</Work>
        <City>http://dl.dropboxusercontent.com/u/71411762/faiyyaz/4.mp3</City>
        <Amount>200123</Amount>
      </Page>

      <Page Name="Malaria123">
        <Work>http://dl.dropboxusercontent.com/u/71411762/faiyyaz/b3.png</Work>
        <City>http://dl.dropboxusercontent.com/u/71411762/faiyyaz/5.mp3</City>
        <Amount>200</Amount>
      </Page>
    </Module>
  </Chapter>
  <UserData>
    <User Name="XYZ">
      <Page Name="TB">

        <Work>http://dl.dropboxusercontent.com/u/71411762/faiyyaz/g3.png</Work>
        <City>http://dl.dropboxusercontent.com/u/71411762/faiyyaz/6.mp3</City>
        <Amount>1000</Amount>
      </Page>



    </User>
    <User Name="Faiyaz">
      <Module Name="Company">
        <Page Name="FB">

          <Work>http://dl.dropboxusercontent.com/u/71411762/faiyyaz/b4.png</Work>
          <City>http://dl.dropboxusercontent.com/u/71411762/faiyyaz/7.mp3</City>
          <Amount>100000</Amount>
        </Page>
        <Page Name="FB1">

          <Work>http://dl.dropboxusercontent.com/u/71411762/faiyyaz/g4.png</Work>
          <City>http://dl.dropboxusercontent.com/u/71411762/faiyyaz/8.mp3</City>
          <Amount>100000</Amount>
        </Page>

      </Module>

      <Module Name="Company123">
        <Page Name="FB123">

          <Work>http://dl.dropboxusercontent.com/u/71411762/faiyyaz/b5.png</Work>
          <City>http://dl.dropboxusercontent.com/u/71411762/faiyyaz/9.mp3</City>
          <Amount>100000</Amount>
        </Page>
        <Page Name="FB123">

          <Work>http://dl.dropboxusercontent.com/u/71411762/faiyyaz/g5.png</Work>
          <City>http://dl.dropboxusercontent.com/u/71411762/faiyyaz/10.mp3</City>
          <Amount>100000</Amount>
        </Page>

        <Page Name="FB456">

          <Work>http://dl.dropboxusercontent.com/u/71411762/faiyyaz/b2.png</Work>
          <City>http://dl.dropboxusercontent.com/u/71411762/faiyyaz/1.mp3</City>
          <Amount>100000</Amount>
          <Test>Test Demo</Test>

        </Page>


      </Module>

    </User>
  </UserData>
</Course>