Hi Subha,
you seem to be missing some steps. You should probably try following some of the online documentation available on MSDN or the NAV 2009 online help. Try this link for starters: http://msdn.microsoft.com/en-us/library/dd301209.aspx
For a really short guide, try this link https://blogs.msdn.com/nav_developer/archive/2008/06/13/nav-2009-how-to-simple-form-transformation.aspx
Cheers,
Dave.