View XML file elements in Label with next button and previou

I have an XML file with data I want to display all the elements in their own Label with a button to display the next element and a button to display the previous element for example : xml file:

 

   <1>.....

   <2>.....

   <3>.....

   <1>.....

   <2>.....

   <3>.....

 

I want to display all book1 elements in Label1 and all book2 elements in Label2 everytime one element display on label and i clicked on next button the next element display in same label. sorry my English is so bad , and thank you