I don't know how much it's necessary to worry about 'hidden' variables - unless you're wanting to manipulate them at any rate.

WWW::Mechanize is quite good about letting you ... well, 'do the same was you would on the page'.

Unfortunately, the problem here is that that page quoted is javascript. WWW::Mechanize doesn't 'do' javascript. (Although as it mentions - sometimes a form will work despite having ugly javascript obfuscating it) FAQ

In reply to Re^3: Trying to use WWW::Mechanize for aspx websites by Preceptor
in thread Trying to use WWW::Mechanize for aspx websites by bluesplay106

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