similar to: select_tag - populating options

I have two tables: - projects - lines lines has a foreign key constraint to projects.id When I''m creating a new line object, the database fails on insert with the following error: "PGError: ERROR: null value in column "project_id" violates not-null constraint" My code looks like this: def create_lines @project = params[:id] @line =

Hello again, I have a table called line_items, with the following fields: id int item_name varchar() qty int conditions text I''ve made my LineItem model, and everything works as such (with simple text_fields).. Now I''d like for the conditions field to be a select_tag() with multiple choice possibility. I''m guessing I need some code to expand/restract the array for

I have a field in a view, like so: <%= select_tag(''quoted_condition'', options_for_select([''NEW'',''RETAIL'',''OEM'',''REFURB''], ''NEW'')) %> This sets the ''selected'' value to ''NEW'' - however, I would like to have a nil value here, so I can

I''m trying to get my animal app to let users populate info about each animal. The code below partially works. It shows the drop down menu, and it shows the names of what I wanted it to be the names of the Databases. I don''t know how to make it work so it shows the name dog and than you hit submit and it appears in the dog view. When I hit submit it just makes a new view under the

I want to overload the = operator for one of the attributes in a model to run a filter on the input. However I can''t do this: def attribute=(data) self.attribute = filter(data) end because that creates an infinite recursive loop. How do I get around this? -- Posted via http://www.ruby-forum.com/.

in my controller @cursos = Curso.find_all in my view i''m trying to do a select_tag with the results @cursos, using a helper select_tag "name" options_for_select(@cursos) --------> not works select_tag "name" @cursos --------> not works how to do it, using the helper? tks -- Posted via http://www.ruby-forum.com/.

I must be missing something when it comes to the parameter differences between form FormOptionsHelper select and FormTagHelper select_tag. Code that follows, works perfectly - <%= f.select :unit, units_to_select(@product), :size=>"20"%> The following code, does not. The helper function never even seems to be called. <%= select_tag "unit",

Hello there. I am following a tutorial with rails 2.1 and I have come across a problem where <%= f.label :artist_id %><br /> <%= f.select_tag(:artist_id, options_for_select([[''choose one'', '''']] + @artists.collect {|art| [art.name, art.id]}, @album.artist_id)) %> (Old artist info:<%= @album.artist_old%>) gives undefined method

Hi, I''m trying to use a select_tag in the following manner: <%= select_tag(:received_at, @select_dates, String(params[:received_at]) ) %> But I get this error: undefined method `stringify_keys'' for "":String Removing the third parameter eliminates the error, but I was hoping that the drop-down list will select whichever string in the drop-down list matches

Hi iam using select_tag i want selected_option. i have made select _tag like this <%=select_tag(''name'', options_for_select({ :Relevance =>''Relevant'',:Date=>''Recent''}),:selected=>params[:name].to_s) %> The generated html look like this <select selected="Relevant" name="name"

Hi I have a feeds db described like this: | id | int(11) | NO | PRI | | auto_increment | | url | varchar(255) | YES | | | | | name | varchar(255) | YES | | | | | type | varchar(255) | YES | | | | | valid | int(11) | YES | | | | In my feeds view i have :

Guys, I''m using select_tag to display a non-model dropdown, which works fine. However, I''ve tried every which way to use the :include_blank => true option, but it simply won''t display a blank value. Using :include_blank => true with select on model fields works fine. Can someone please show me a working example? -- Posted via http://www.ruby-forum.com/.

What am I doing wrong here: select_tag(''website_ids[]'', options_from_collection_for_select(Website.find_all, ''id'', ''name'', params[:website_ids]), {:multiple => true, :size => 5}) It works fine except that it does not display the selected options once the form is submitted (it submits to the same page). The

Does ROR allow passing the chosen value from a drop down using select_tag into link_to ? Basically I want to do something like: <%= select_tag( "name", options_for_select(%w{John Doe Jane })) %> <%= link_to "Delete", { :controller => "myname", :action => "add", :id => name },

Hi, I''m new in developint rails (but I love rails). I would like to react on changing a field in the view (no model field) from a selection box to show the number of rows (which I used in the controller). In the controller I read the params-hash: ... @rowsperpage = params[''rowsperpage''].to_i ... In the view I have the field, where I like to react directly. ...

I have a "Users" object and a "Timesheets" object. Each timesheet entry belongs to a User, which is selected from a drop-down list. The timesheet has a user_id field. (The user needs to have an option to select a different user due to the way our system works.) If i use the "select" object, which is bound to the Timesheet model, using this code: &lt;%= select

hello PPL, I''ve seen now that the _form.rhtml generated by script/scaffold is populated by <%= text_field ''model'', ''field'' %> without _tag! but only text_field_tag is to be found in the 1.1.2 documentation.. (like in the rest of Module ActionView::Helpers::FormTagHelper there is _tag) I''ve tried to use <%= select instead of

<b>Client</b><br /> <%= select_tag ''clients[]'', options_for_select( [['' '',''1''], [''aaaa'',''2''],

Hello everyone, I''m just trying to understand some logical reasons behind Rails syntax of "select" and "select_tag". I know I can do this: <%= form.select :card_type, supported_card_types, { :prompt => "Please Select..."} %> which sets a model field in the params hash. If I want to do the same for a non-model field,

Rails 3: I have a view books/:id/show.html.erb - in the view, I have a form with a select tag to pick a template, that on dropdown should submit the form which rerenders the page based on the selection: <%= form_tag book_path(@book) do %> > > <%= select_tag "template[]", >> options_for_select([["Template1","template1"], ["Template2",