Drop-down menu help

[Shalini Sah]

Hi,

I generated through scaffolding products with name and price. In the products/new's partial _form.html.erb i made a slight change. Instead of having the user to enter the product. I provide a drop down menu replacing :

<%=f.text_field :name %>

with

<%= select_tag(:name, options_for_select(['Peas','Butter','Garlic'])) %>

But when I click on submit the name attribute is nil instead of taking the tag I selected.

Please tell me where am I going wrong.

Thanks & Regards.

[Aleksey V Zapparov]

First of all, options_for_select should be:

options_for_select([['Peas',1],['Butter',2],['Garlic',3]])

In this case it will give you 1 for Peas, 2 for Butter, etc.
In your case you can use it as:

options_for_select(['Peas','Butter','Garlic'].map{ |v| [v,v] })

And after all, I guess you better use `select` helper on a form
builder in your case:

<%= f.select(:name, options_for_select(...)) %>


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Aleksey V. Zapparov A.K.A. ixti
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[aash dhariya]

<%= f.text_field :name%> sets the params array as:
params[:product][:name] (provided you have written <%= form_for :product, ... %>)

while <%= select_tag(:name, options_for_select(['Peas','Butter','Garlic'])) %> sets the params array as:

params[:name] after submit. 

Probably, you are accessing the wrong array index. 

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Thanks, 

Aash

[Shalini Sah]

Thank you :) I got it :)