yes, please post the code so I and others may look for a problem in the code itself.

no, he wants the page to reload with all the form fields filled in with the info that was entered only highlighting incorrect or missing fields.

when you fill out an application you fill in...

try to use require once rather than require.
are they each connectiong to a different Db?
and yes as a security flaw you should close the connection when you are finished.