can you add AspNetSqlMembershipProvider, AspNetSqlProfileProvider, & AspNetSqlRoleProvider elements at runtime?

I am working on a web based app that I have added an encrypted routine to read and write the connection string using a encrypted file for better security. connection string I pull from the file works fine for all the regular database operations, but I have run into a road block when it comes to membership, Profile, and roles. I have not been able to completely remove the "ApplicationServices" 'ConnectionString' element from the web.config file yet because these three elements in web.config (AspNetSqlMembershipProvider , AspNetSqlProfileProvider, & AspNetSqlRoleProvider) use "ApplicationServices" for the "ConnectionStringName".
Is there a way to set the properties for AspNetSqlMembershipProvider, AspNetSqlProfileProvider, & AspNetSqlRoleProvider from code at start up? I would like to be able to remove these three items from the web.config file and set the element properties from code instead. Below is a snip from a web.config with ...