Want to Make Successive Backups for a database

I have written certain code to take the Backup of a Database, the application will take the Database Backup开发者_StackOverflow中文版 automatically at the time Specified. Now, I want some help to take Successive Backup of the Same Database which was taken previously and dont want to take Complete Database Backup again and again. Can any one Help me.

How to make incremental backups with MS Sql Server in c# : http://www.mssqltips.com/tip.asp?tip=1849