AFTER CREATING A FORM OF YOUR REQUIREMENT, BY CALLING SOME 
FUNCTION MODULES. THEY ARE OPEN_FORM, WRITE_FORM AND 
CLOSE_FORM. IN OPEN_FORM THE FORM NAME WILL BE GIVEN, IN 
WRITE_FORM THE DATA WHICH HAS TO TRANSFER TO THE FORM WILL 
BE GIVEN. SO BY EXECUTING THE PROGRAM WE CAN REACH OUR 
REQUIREMENTS.

* Go to Tcode SE71
* Create a script ,then check for syntax errors and the     
activate.
* Go to SE38 and write a program by using the function 
modules open_form, write _form,close_form
open_form call the smartform
write_form calls the textelement for which the program code 
need to be executed.
close_form ends the form which is opened by the open_form.