similar to: page rendering and drop down onchange event

hi, I want to display a drop down list and when i select some option from the drop down list i want to display all the records under that selected category in the "SAME PAGE".. eg .. <%= collection_select(:question,:subject_id ,@subject, :id, :name) %> when i choose a subject i should, display all the questions under that subject in the same page.I am new to rails.Can

I would like to add javascript ''onChange'' event handling for a select field, such as <%= collection_select("job", "client_id" , @clients, "id", "name") %> with onChange="xxx" Anyone know how to make this work? Thank you, Scott -- Posted via http://www.ruby-forum.com/.

Greetings, I''ve been hitting my head to the wall over this for quite a while now and don''t seem to be able to wrap my forementioned head around it. Basically I have a list of users in a selection box and I have two radio buttons: Sort by first name and sort by last name. This is what I have in my view: <%= radio_button_tag ''sort_by_last_name'',

Hello - I am fairly new to Ruby on Rails, but feel like I am learning quick. I have what seems to be a fairly unique issue as I cannot find much out there that describes what I''m seeing. Hopefully it''s a very simple fix, and I simply can''t see the forest through all the trees! I am attempting to create 2 related drop-down lists in the same form_for, both using

I have an ADD form with foreign key field values selectable via select list ( collection_select (...)). When I add validates_presence_of :someotherfield to my model for error trapping, I get the following error for each droplist: NoMethodError in Reviews#create_curriculum Showing /reviews/_form.rhtml where line #16 raised: undefined method `inject'' for nil:NilClass Extracted source

Each post has a single category, which I''m filling a drop down list by using this: #view <p><label for="post_type_id">Category</label><br /> <%= collection_select(:id, :type_id, Type.find(:all), :id, :category) %> </p> In my Post model I have a field called "type_id" which is to be filled by the id in the Type table upon

Hello, currently I''m working on a JavaScript-on-screen-keyboard for use with touch screens. To autocomplete inputs I want to use the Ajax.Autocompleter control. The problem is that Ajax.Autocompleter only responds to onkeypress events made with a real keyboard, but my on-screen-keyboard causes onchange events when a letter is clicked and appended to the input field. So, is there a way to

Hi all, I am fairly new to ROR and recently i created an application where i have a combobox when on select the item from combobox i need the table in the view to be updated based on the selection of the item selected in the combobox. I need to do it using javascript , the whole data should be retrived once and when the user selects the item from combo the table data should get updated without

I have two collection_select in my list.rhtml: <%= collection_select (:region, :id, @regionall, :id, :title,html_options={:onChange => "new Ajax.Updater(''related_provinces'',''/categories/related_provinces/" + "?id=''+this[this.selectedIndex].value, {asynchronous:true, evalScripts:true});"}) %><br> <%= render :partial =>

Dear R-help, I am creating a two lattice plots (a densityplot() and xyplot()) that have the same x-axes and then 'printing' them onto the same page, one above the other (see end of email for an example to generate the graph). With different labels on the y-axis for each plot the left spacing is different, and the x-axes don't align vertically. Although I can manually modify the

I am looking to get my option drop down list to populate from a model. In my controller i''m using: @roles = Role.find(:all, :order => "name") in my view I have: <%= collection_select(:id, :name, @roles, :id, :name) %> role <%= submit_tag("Go") %> I cannot get just the id of the selected option. If i inspect the params I get:

Greetings, I''m looking for suggestions on how to simplify getting customer addresses on a form: I''m jumping between controller and view several times; alternating between rhtml and rjs, in order to display customers and their addresses on an invoicing form. It''s very messy. I have a one to many relationship between Customer and Addresses, each customer has one or more

Hi to all, i have this snip i want to apply style to this combo but there is no effect help....... <%= collection_select(:customer,:country_id, @countries,:id, :country, html_options={ "style" => "width:110px" },:onchange => ''updateState('''');'',:id =>''country_id'' )%> Thanks, -- Posted via

Hi everyone I am trying to get the return value from collection_select helper method. Here is what I did collection_select(''product'', ''product_id'', @products, ''id'', ''name'', {}, {:onchange => remote_function(:url => {:action => :myFunction}, :with => "this[this.selectedIndex].value")}) then in my

(Sorry if you have received this twice, I''m having trouble sending mail to the rails list) Greetings, I''m looking for suggestions on how to simplify getting customer addresses on a form: I''m jumping between controller and view several times; alternating between rhtml and rjs, in order to display customers and their addresses on an invoicing form. It''s very

Hi Gurus, I''m trying to tackle a drop down list. I have category and item dbs, and they''re wired up with category has_many :items and item belongs_to :category, and an item has a category_id. I have this code in my new/edit.html.erb for item: <%= f.collection_select :category_id, Category.find_main, :id, :header, {}, :multiple => false %> And a pretty drop down list

Hi there, Just wondering if anyone has any tips for using arrays? I am trying to convert the following SAS code to R: data A2; set A1; by subject_id; retain BX1-BX10 i; array b(1:10) BX1-BX10 ; if first.subject_id then do ; do j=1 to 10; b(j) = .; end; i=1; end; b(i) = BX; i = i+1; if last.subject_id then

I wanting to add an onchange event handler to collection_select but I''m not sure how. The api gives the signature as collection_select(object, method, collection, value_method, text_method, options = {}, html_options = {}) I''m not sure, however, if I need to place the desired code in "options" or "html_options". I''m sure I could just figure it out

Hi, I have a form where i have two drop down lists formed by using the collection_select helper. I need the second list "selected" item to change depending on what was selected in the first list. I am currently using an onChange ajax call when the first list is changed, but I cannot get the second lists default value to change. I have read that if I set the @variable.attribute

Hi, Thank u all for replying my previous posts. I have following problem I want to send multiple selected values from collection_select using ":with" option to a controller without submitting the form, i have following code <%= collection_select(:cluster, :CLST_RegionID, regions, :id, :REG_RegionName, {:prompt => "Please Select"},