Inserting value got problem

Parameters: {“bestandsliste”=>{“typ”=>“bumffer”,
“KundanName”=>“parikshit”, “Abgeholt”=>"", “LieferLand”=>"",
“Kaufmann”=>“birla”, “Marge”=>"", “Erzieltervk”=>"", “LieferOrt”=>"",
“Hersteller”=>“birla”}, “commit”=>“Verkaufsliste”,
“verkaufsliste”=>{“vkdatum(1i)”=>“2006”, “vkdatum(2i)”=>“4”,
“vkdatum(3i)”=>“18”, “vkdatum(4i)”=>“17”, “vkdatum(5i)”=>“12”}}

hi every body i want to insert above value but cant able to insert date
how i can do that.
plese reply me i juct do this in my controller
if request.post?
@verkaufsliste = Verkaufsliste.new(@params[:bestandsliste])

end
if @verkaufsliste.save
redirect_to :action => ‘list’
else
render :action => ‘sale’
end
end