HTML-to-XML Library in C#

[C# Programming]

Hi,

I have to develop a project that I need to download an exam timetable from a website (HTML) and I need a
HTML-to-xml library so that I can filter the information and send out the timetable in an SMS (cell phone) format.

Do you guys know any Free html-to-xml library that I can use?
or do you guys know how I can send filter the information into single SMS?

Thank you.