code in web.config file

Question

hello,

my problem is that i've to give some code in we.config file and access values in coding page.

for example:-

there is a currency. i have to insert few currencies like INR+12,EUR=47,USd+55 inside web.config file tag.

now in coding page:-

i have to check if currency is INR, print its value;

otherwise currency *value..

please give me code for web.config file..and how can i access those values in coding page?

please help me..

thank you