Need to extract portion of XML on link button hyperlink click

Need to extract portion of XML on link button hyperlink click

References

Reference NO 1

http://stackoverflow.com/questions/15199012/need-to-extract-portion-of-xml-on-link-button-hyperlink-click

Reference NO 2

https://sites.google.com/site/siteshelphowtos/google-sites-instructions/links

Reference NO 3

http://www.w3schools.com/HTML/html_links.asp

Reference NO 4

http://office.microsoft.com/en-us/sharepoint-designer-help/add-a-hyperlink-to-a-data-view-HA010240364.aspx

Reference NO 5

http://www.htmlgoodies.com/tutorials/getting_started/article.php/3479511/So-You-Want-A-Page-Jump-Huh.htm

Reference NO 6

http://oreilly.com/catalog/xslt/chapter/ch05.html

Reference NO 7

http://www.hannonhill.com/kb/Linking/

Reference NO 8

http://webhelp.madcapsoftware.com/flare5/Content/Nav_Links/Text_Hyperlinks/Editing_Text_Hyperlinks.htm