Doubt in Smartforms

HI Friends,

I have one selection screen having 8 parameters. i want that parameters field into my smartforms. How can i do this either i have to insert that parameters value into one ztable after will i transfer into smartforms? Or any other way is there? Pls Help me with small example ..Thanks in advance.

Ex:

SELECTION-SCREEN BEGIN OF BLOCK B WITH FRAME TITLE TEXT-200.

PARAMETERS: LCREQNO(10) type c,

LCDATE TYPE zfi_demo-lcdate,

bankname like bnka-bankA,

benifnam like lfa1-name1,

expdate TYPE zfi_demo-expdate,

lastdate type zfi_demo-lastdate,

amount type i.

selection-screen end of block.

Hints:I want these fields into my smartforms