On 15 February 2010 03:07, Sean Six <li...@ruby-forum.com> wrote:
> I would like to verify a parameter is present before a search is posted.
>
> min_age = params[:min_age]
>  max_age = params[:max_age]
>
> @users = User.find(:all,
>                  :conditions => ["years >= ? AND years <= ? " min_age,
> max_age])
>
> Basically I am just concerned about the max_age.
>
> I tried this:
> min_age = params[:min_age]
>  max_age = params[:max_age]
>
>  if max_age.nil?
>   flash[:notice] = "please enter max age!"
>   redirect_to :action => "index"

You need an else in here

Colin

>
> @users = User.find(:all,
>                  :conditions => ["years >= ? AND years <= ? " min_age,
> max_age])
>
>
> But the search still ran with a nil max_age parameter.
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