database marmotech   
screen size 24 by 80
{

   Fecha Inicial  [a       ] 
   Fecha Final    [b       ] 
}
end
tables
cctb00001
attributes
a  = formonly.fecha_inicial type date, format = "dd/mm/yy",autonext,
     comments = "Fecha inicial del Rango";              
b  = formonly.fecha_final type date, format = "dd/mm/yy",autonext,
     comments = "Fecha final del Rango";
end