similar to: Removing values from a select (drop-down) box

Hey All, I''m trying to play along w/the ''complex forms 1'' railscast (http://railscasts.com/episodes/73) and having trouble. The view is projects/new. I''m trying to add some project_people to the form w/code like so: <% form_for(@project) do |f| %> [project stuff here] <% for pp in @project.project_person %> <% fields_for

I am relating to the book & subject example mentioned in the tutorial mentioned here: http://www.tutorialspoint.com/ruby-on-rails-2.1/rails-examples.htm There is a file that goes like show_subjects.html.erb and it will list all the books for that particular subject we''ve selected. Suppose if there were no books to show for the subject we can ideally show a corresponding message

Okay, this is something I run into a lot and don''t really have a great solution. Here is a simple example: class Blog < ActiveRecord::Base has_many :posts validates_presence_of :name end class Post < ActiveRecord::Base belongs_to :blog validates_presence_of :name validates_presence_of :blog_id end Now, if I want to create a blog and post at the same time I

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, I have a column of data with repeated as mentioned below. *column_name* Acer Lenova HP Lenova Acer Acer Lenova I need to populate this column in a combo box without repeated data as mentioned below *combo box* Acer Lenova HP I tried as <%= collection_select(:column_name, TableName.all)%> "table_names" is a table and "column_name" is a column needed to

Hi all, I''m working on a financial app, and have set up some columns in my tables as decimals with precision => 8 and scale => 2. My migration looks like: change_column :lineitems, :price, :decimal, :precision => 8, :scale => 2 change_column :payments, :amount, :decimal, :precision => 8, :scale => 2 I''ve run the migration and restarted the server. I

Hi all, I''m running into a brick wall trying to figure out my problem here. I have a model that has a boolean property called "paid". I''d like to add the following to my model: def after_save self.amount == self.splits.sum(:amount) ? self.update_attribute (:paid, true) : self.update_attribute(:paid, false) end The problem is, when I do this I get an error that

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

Hi everyone, I have a problem. I want to display a different select box wether the current user is an admin or an user. So I thought I could do this in my view where my form is displayed : <p class="form-input"> <%= f.label(:role_id, ''Role:'') %> <% if (current_user.admin?) then collection_select(:user, :role_id, Role.find(:all, :order =>

Hi trying to create a select box in _form.rhtml. I have a table called organisations that contains fileds, 2 being ''id'' and ''name'' these are the fields I need to bring over to the clients _form.rhtml. whats the best way of going about that?? 2 ways i have seen suggested that I cant get to work -@organisations = Organisation.find_all placed this in def new

I have the following snippet in my app: <% @anitem = Item.find(:all, :conditions => "id = " + params[:id]) %> <% form_for :anitem, :url => { :action => :updateitem } do |thisform| -%> ... ... (some code...removed) ... <%= collection_select :thisform, :item_category, ItemCategory.find(:all), :id, :name %><br> <%= collection_select :thisform,

Hi I have another question for how best to do this. Now I have been following the tutorial at: http://www.tunaslut.com/learning-ruby-drop-down-lists-in-one-to-many-relationships, however when I change the view over from <% @cities.each do |city| %> <tr> <td><%=h city.city_name %></td> <td><%=h city.country_id %></td> to: <%

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

Hi, first time posting here. I''m in the process of learning ruby and the rails framework and i''ve come to a road block. I started off by using the Onlamp tutorial online and got a test database and all of the generated scaffold pages. I am currently working on a drop down box using the select tag. I figured out how to get values from a ''name'' column in my

I want a select box that displays 5 rows instead of one row and a drop down. so i figure this should work, but it doesn''t. <%= collection_select(:constellation, :region_id, @regions, :id, :name, html_options = {:size => ''5''})%> I am not quite sure how to use that html_options and googling around I didnt find anything directly on point. Any suggestions?

Hello I''ve only been playing with ruby and rails for a few short weeks, I have an class called time in my libs folder and I want to call an array from this class and populate a drop down box/select box in rails in one of my view pages. everything online is so confusing regarding this.. Just say my array is like this time = [[minute,min,20,50],[hour,hr,10,50]] How would I get a select

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:

Hi. Although an expert developer for IBM systems (iSeries) I am VERY new to RoR and somehow to the PC development world as well and not familiar AT ALL with PC configurations, etc. (in my regular job good ol'' IBM takes care of all that and I just need to code). So forgive me if any of the following sounds stupid, it probably is. Just get a laugh at my expense and try to answer between

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/.

Hi: Sad question, I know. I saw it somewhere but can''t rediscover it. I have a collection_select and want to add a prompt so the dropdown displays "select one" How is that done? thanks. bruce