How can Create and convert xml

I have create xml from Dataset but i want to Convert into different formate like
 <NewDataSet>
  <Table>
    <FileID>FLE-1</FileID>
    <ImageName>Apple</ImageName>
    <ImageBinaryData>/9j/4AAQSkADFFSDFGERSDFGDFGSDFGZJRgABAQA</ImageBinaryData>
  </Table>
...............
...........
.......
</NewDataSet>
 TO<data index="0" visible="True"> <album title="Photos" description="Various Photos"> <slide title="Title #1" description="Description #1" source="../Images/chair.jpeg" /> <slide title="Title #2" description="Description #2" source="../Im ...