title: How to start page numberring from a specific number in Birt?
body: <p>i'm trying to make my Birt repport page numberring to start from a specific number, so the first page number will be for example 30 , the second will be 31..., so i tried to add a constant to the pagenumber variable but it seems like i'm not doing it right</p>
  
  <p>i'm using 'Eclipse BIRT Designer Version 4.6.0.v201606072122'</p>
  
  <p>any help will be appreciated </p>
  
  <p>thanks in advance</p>