Sometimes, it is required to change the pageformat of the smartform based on some condition like Plants etc.In those cases, it is redundant to copy the same form and make changes in the page format for each plant. Instead,this requirement can be easily achieved via the use of field symbols.
The page format is stored in the global structure '%header', in the field 'pageformat' , of the main program of the generated Function Module of the Smartform.This can be changed by making use of a field symbol.Please check the below screen shots: