From: Ravi Dtv <venkataravi.tdomarouthu@...>
Date: 2010-05-19T19:34:59+09:00
Subject: passing values from partial to controller

I am trying to pass login and group_name from partial to controller, but
I dont get the values.

I see the following error:
RuntimeError in UsersController#addfriendtogroups

Called id for nil, which would mistakenly be 4 -- if you really wanted
the id of nil, use object_id

I tried in the console, where I get the result. But, in application I
cannot pass the values.



html page
-----------------

<% @groups.each do |user| %>
            <%= render :partial => 'users/grouprow', :locals => {:user
=> user}%>

              <% end %>

Partial
-----------
<tr>
  <td class="people_profile">
    <div class="clear_float_effect">
      <div class="profile_block">

            <p>
              <span title="Click to edit" id="edit_location">

<%= link_to user.group_name  %>

</span>
              <a href="#" class="short_description_text btn"
id="edit_group_link"> <%= custom_button('Change') %> </a>



            </p>
          </div>

<div>
  <% form_tag (:controller => "users" , :action => "addfriendtogroups")
do %>

        Add friend:
         <%= text_field_with_auto_complete :user, 'login', {:size =>
20}, {:tokens => ','} %>

            <%= submit_tag "Add to group", :class =>
"submit_input_button rounded_corner" %>
<% end %>
</div>

    </div>
  </td>

</tr>



Controller
----------------

def addfriendtogroups
 @f=User.find_by_login(params[:login]).id
   @g=Group.find_by_group_name(params[:group_name]).id

   @addfriend=GroupFriend.create(:user_id => current_user.id ,
   :group_id => @g,:friend_id => @f)

   respond_to do |format|

   if @addfriend.save

   flash[:notice] = "Friend added to group successfully."
  format.html {redirect_to :back}

   end

   end
 end
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