Dynamically adding rows in rails application

ruby-talk
1

Hello all.

I am pretty new to ruby on rails, so please bare with me. I have been
reading Agile Web Development with Rails and have now decided to
attempt to create my own application to help me learn rails a bit
better.

I have a form for user information (name, address, etc.). A user can
have many courses associated with them. The problem is that all of
the data needs to be inserted as a transaction at once, and the number
of courses can vary. I have a form that points to create for the user
data, but within that form, I need to be able to add a new course line
to their form. I'd like to get this working without AJAX first to
make sure I can understand it, but whenever I do a post, it goes to
create instead of to my 'add_course'. When I create a posted link_to,
it does not pass the data through for reposting.

My question is: how can I have a link within a form tag pass the post
data along to a new function, and then show this data back on the form
after adding another course?

Thank you so much,
  Dave

2

Dave,

This is actually a pure ruby list. You will have far better luck with your
question and future Rails related questions here:

http://groups.google.com/group/rubyonrails-talk

I do a little bit with rails. I'm not too sure I follow your question but
the values from your form fields are always sent on in the params hash. To
list all your options you would need a select_tag with the values from the
table, i.e. Course.find(:all).collect {|course| [course.name, course.id] }

Although you will definitely get the help you seek from the rails list.

···

On 5/15/07, dtblankenship@gmail.com <dtblankenship@gmail.com> wrote:

Hello all.

I am pretty new to ruby on rails, so please bare with me. I have been
reading Agile Web Development with Rails and have now decided to
attempt to create my own application to help me learn rails a bit
better.

I have a form for user information (name, address, etc.). A user can
have many courses associated with them. The problem is that all of
the data needs to be inserted as a transaction at once, and the number
of courses can vary. I have a form that points to create for the user
data, but within that form, I need to be able to add a new course line
to their form. I'd like to get this working without AJAX first to
make sure I can understand it, but whenever I do a post, it goes to
create instead of to my 'add_course'. When I create a posted link_to,
it does not pass the data through for reposting.

My question is: how can I have a link within a form tag pass the post
data along to a new function, and then show this data back on the form
after adding another course?

Thank you so much,
  Dave

--
"Hey brother christian with your high and mighty errand, Your actions speak
so loud, I can't hear a word you're saying."

-Greg Graffin (Bad Religion)