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Feb 20, 2006 04:23 PM|LINK
When you have multiple fields like Phone, Mobile and Email and you are only concerend that the user should at least fill one of them, what is the best approach to do it on the client-side?
I usually do that by writting some client script, however, I am wondering if some one has a better appraoch or trick to do that with the existing validators (or with a new validating control that inherits the base validator).
Ideas are appreciated