Is reading app.config expensive?

Question

No question I am yet to be hit by any read speed bottleneck. I am asking to know; if reading app.config frequently is a bad programming choice. I have known of database oper

Answer 1

You're not really doing I/O here, at least not directly.

Just assume the the Config system will cache the values, and only take action when you have a performance problem.

It's not worth cluttering up your code with DIY caching everywhere.