1. 

   dhrupal New Member

   
   Hi Friends,
   
   How to Stop Duplication of Supplier Invoice No.
   like a Voucher Number.

    

   dhrupal, Oct 17, 2013

   #1
   
   
   
2. 

   admin Administrator Staff Member

   
   U need to write a collection and check that collection contains the Same Reference number

    

   admin, Oct 17, 2013

   #2
   
   
   

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