send mail asp net c# in folder directory.

Question

Hi,
I am creating all employee id based pdf file (like emp100.pdf) in one folder. send to mail find each employee mail id and each 1 pdf file attached  at a time send mail.  
or
One folder all employee id wise pdf file generated. and that pdf file name like get all employee id from pdf file name.that id wised attached pdf automatically and send mail.
please any possible this scenario pleas reply