My XML file is very huge of about more then 5lac rows will that be fine to use it?

Hi Guys,

I am developing an application in which i have xml file in which i want to search and display selected records from XML on web page.

In that application i will have A-z links when i link on A i should get all books starting with A from that XML. Is that possible if yes how , any idea of reference you can give me.