Remove whitespace in whole application???

Question

Hi..

How to remove whitespace in the whole application after application build because it take much size so i will remove white space.

in my project i have 10 page with 5000 line code in each page so all the page i want to remove white space when application is build than i will upload the page

so how to solve this issue????

Thanks & Regards,

Brijesh Mandaliya