rubyonrailsin

On 18 March 2010 15:33, Salil Gaikwad <lists@ruby-forum.com> wrote:
> Hi All,
>
> I got RJS error: TypeError: element is null while using ajax.
>
> I used  in view
>
> <%= periodically_call_remote(:url=>{:action=>'get_user_list', :id=>'1'},
> :frequency => '5') %>
>
> in controller
>
>      render :update do |page|
>        page.replace_html  'chat_area', :partial => 'chat_area', :object
> => [@chats, @user]     if @js_update
>      end

I believe this is expecting to find a div with id chat_area to
replace. I do not see this div in the code below, though I may be
just not be seeing it.

Colin

>
> in partial chat_area
>
> <% if !@chats.blank? && !show_div(@chats).blank?%>
>    <% show_div_id=show_div(@chats) %>
>  <% for chat in @chats %>
>      <div class="popup" id="chat_area_<%= chat.id %>"
> style="display:<%= (chat.id == show_div_id)? 'block' : 'none' %>;">
>
>        <% form_remote_for(:chat, :url => {:controller=>'chats',
> :action=>'create', :id=>1}, :html=>{:name => "form_#{chat.id}"},
> :complete=>"resetContent('#{chat.id}');") do |f| %>
>        <div style="display:none;">
>            <%= f.hidden_field :sessionNo, :value=>chat.sessionNo %>
>            <%= f.text_area :chatContent,  :id=>
> "chatContent_field_#{chat.id}", :cols=>"100", :rows=>"6",
> :onKeyPress=>"return submitenter(this,event);" %>
>          </div>
>            <input type="image" src="images/chat/send-hover.png"
> value="Send" onclick="return submit_button('<%= chat.id %>')"/>
>        <% end %>
>      </div>
>
>    </div>
>  <% end %>
>
> <% else %>
>      <div class="popup" id="chat_area_none" style="display:'block';">
>          <input type="image" disabled ="disabled"
> src="images/chat/send.png" style="cursor:default;" value="Send" />
>      </div>
> <% end %>
>
>
>
> Any help is appreciated.
>
>
> Regards,
>
> Salil Gaikwad
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> Posted via http://www.ruby-forum.com/.
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