parameters from one page to another

if I have this on one htm开发者_运维技巧l.erb page

<%= text_field("cars_", "name", :size => "30") %>

and

def find
  @car = Car.new(params[:car_])
  carsearch = @car.name
....

why is the carsearch coming as nil?

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Maybe because the field is cars_ (plural) and the find is using car_ (singular)?

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If you are trying to use carsearch on an erb template, then you need to make it an attribute instead of a variable, it should be @carsearch.