in the standard ax, to create a continuous number sequence, we can use the 
class NumberSeqFormHandler, and the disused number sequence is aborted in the 
form's close method if the recid is nothing. but in EP, it seems the close 
method of webform would not be called. suppose user is creating a new record, 
and get the new number in table's initvalue method, but during creation he/she 
can click a URL menu item in global menu to leave the creation page. at this 
time, the close method would not be called. so where can the disused number be 
aborted?
   
  any idea?
  thanks in advanced

       
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