automatically fill text in pdf through VB

Hello dear

how can we get some of our VB text field's text into our acrobat file (for which i have already coded).
i just want that my entries from vb page got filled into pdf file automatically.

please reply.
if you kno give exact info and if you dont kno try it and give me any relevant idea so that i canalso think over new area....plzzzzzzz