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POProblem with ajax in date select
 

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  1. POProblem with ajax in date select
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    <p>Excuse me, I am a newbie programmer in Rails. </p> <p>I want use AJAX in a DATE SELECT. when I change the date, change the punitive ammount depends the result of method get_punitive (Model).</p> <p>I use the next code in Controller, Model and View.However the event On change is not recognized. please you could help me.</p> <p>Operations Model (partially)</p> <pre><code>def get_punitive(payment_date, expiration_date) if payment_date &gt; expiration_date expiration_days= (payment_date - expiration_date).to_i else expiration_days = 0 end punitive_ammount = (self.capital * (self.interest_rate_for_taker / 100.0) * expiration_days) / 30 # raise punitive_ammount.inspect end </code></pre> <p>Operations Controller (partially)</p> <pre><code>def cancel @operation = Operation.find(params[:id]) last_pagare = Pagare.find(:first, :conditions =&gt; "operation_id = #{@operation.id} AND state &lt;&gt; 'cancelled'") @punitive_ammount = @operation.get_punitive(DateTime.now.to_date, last_pagare.expiration_date.to_date) end def update_payment_date raise params.inspect end def submit_cancellation @operation = Operation.find(params[:id]) ammount = params[:ammount] punitive_ammount = (params[:punitive_ammount].blank?) ? 0 : params[:punitive_ammount] payment_date = Date.new(params[:"payment_date(1i)"], params(:"payment_date(2i)"), params(:"payment_date(3i)")) admin = User.find_by_login('admin') if @operation.cancel(ammount, punitive_ammount, admin, payment_date) respond_to do |format| format.html { redirect_to(admin_operations_url) } format.xml { head :ok } end else @operation.errors.add_to_base("Los montos ingresados son invalidos") render :action =&gt; 'cancel' end </code></pre> <p>View of cancel</p> <h1>Cancelacion de Operaciones</h1> <pre><code>&lt;% form_for(@operation, :url =&gt; submit_cancellation_admin_operation_path) do |f| %&gt; &lt;%= f.error_messages %&gt; &lt;%= text_field_tag :a, :onClick =&gt; "javascript:alert('hola');" %&gt; &lt;p&gt;Fecha de Pago:&lt;br/&gt;&lt;br/&gt; &lt;%= date_select("", :payment_date, {:start_date =&gt; Time.now, :onchange =&gt; remote_function(:url =&gt; {:controller =&gt; 'operations', :action =&gt; "update_payment_date"}, :with =&gt; "'payment_date='+value")}) %&gt; &lt;/p&gt; &lt;p&gt;Prueba &lt;%= collection_select "", :object, Operation.all, :id, :taker_id, { :onChange =&gt; "javascript::alert('hola');", :onClick =&gt; remote_function(:url =&gt; {:controller =&gt; 'operations', :action =&gt; "update_payment_date"}, :with =&gt; "'dgdfg='+value")} %&gt; &lt;/p&gt; &lt;p&gt;Monto a Cancelar (Mayor a cero):&lt;br/&gt;&lt;br/&gt; &lt;%= text_field_tag :ammount , @operation.get_balance(@operation.interest_rate_for_taker) %&gt; &lt;/p&gt; &lt;p&gt;Monto punitorio:&lt;br/&gt;&lt;br/&gt; &lt;%= text_field_tag :punitive_ammount, @punitive_ammount %&gt; &lt;/p&gt; &lt;!--&lt;p&gt;Fecha de Pago:&lt;br/&gt;&lt;br/&gt; &lt;%#= date_select("", :date, :start_year =&gt; Time.now.year-1, :default =&gt; Time.now) %&gt; &lt;/p&gt;--&gt; &lt;% %&gt; &lt;p&gt; &lt;%= f.submit 'Cancelar' %&gt; &lt;/p&gt; &lt;% end %&gt; </code></pre>
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    1. USRobert Koritnik
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