Web.Config password setting

Dear All,

I have asp.net web project which is linked with MS-SQL 2005 database engine.

In my WEB.CONFIG file i have hardcoded username and password of DSN which i am using to connect with database.

e.g:          providerName="System.Data.Odbc" />

Problem:

I want to store encrypted password in web.config file.

I have work on it and i have class which encypt the password, what i want is
 
to pass the encrypted password to the xml web.config file.

Solution

e.g in web.config

// and that pass store the encypted value which i want to assign from some class ???

         providerName="System.Data.Odbc" />




Best Regards
Nisar