InfoPath Dev

This is slightly taken from a newbie perspective: So, basically I have a control (button) that has a couple of rules.  Rule 1: Data Connection to query a SP library.  Rule 2: submit the form.  (There are more rules in between, but these are the relevant ones). First it queries a SharePoint library (which is ...

Hello, I'm somewhat new to Infopath and this is my first time to the forums. I'm trying to get a textbox to autopopulate an ID number that will increment based on the number of forms submitted to a sharepoint library.  Also, I need it to be a set number of digits, so that it will be 0001, 0002, and so on, instead of "1", ...