submite_to_remote not works for me

<% form_for :todo,:url =>todos_path,:html=>{:name=>"new_todo"} do |f|
%>
        <p>
            <label>
                Title
            </label>
            <%= f.text_field :title,:class=>"validate[required,length
[5,8]] text-input" %>
        </p>
        <p>
            <label>
                Description
            </label>
            <%= f.text_area :description,:rows=>"4" %>
        </p>
        <p>
            <label>
                Assign to
            </label>
            <%= select("todo","user_id",@users.map {|u|
[u.login,u.id] }) %>
        </p>
                <%=f.hidden_field :assigned_by,:value=>current_user.id
%>
    <%= submit_to_remote 'create_btn', 'Create', :url => { :action =>
'new' } %>
<% end %>

any suggestions about this code
please let me know what is the error of this code.

Hi Nirosh,

<% form_for :todo,:url =>todos_path,:html=>{:name=>"new_todo"} do |f|
%>

You need to use form_remote_for(...

HTH,
Bill

thx to the reply that works for me

nirosh