Dynamically change form based on value selected in combobox in Ruby on Rails?

First, render the select box with payment terms as hidden (by using specific css class for example). Let's assume it has id payment_terms .

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I have the following tables: Services ID| Service_type_id| desc| date|payment_terms Service_types ID|NAME|isCredit Payment_Terms ID|Payment_Term The services table contains a list of services. The service type defines the kind of service offered. Some service_types are offered on credit - the isCredit field holds a boolean 1 or 0 value.

The thing is that when a user adds a service - I have a combo box populated with the service types. However what I need is that when the user chooses a service type whose isCredit value is 1, it should show on the same form a combo box with options of payment terms from the payment terms table. How can this be done in ruby on rails?

I only want that the payment_term combo box be displayed when the service_type chosen has an isCredit value 1 else the services. Payment_terms = 0 javascript ruby-on-rails ruby ruby-on-rails-3 link|improve this question edited Mar 8 at 8:46shingara15.9k12244 asked Mar 8 at 6:29Ali1,84921957 73% accept rate.

You need do it in Javascript. It's not a rails problem. – shingara Mar 8 at 8:45.

First, render the select box with payment terms as hidden (by using specific css class for example). Let's assume it has id payment_terms. Then render services select box with additional data attribute to keep track if service isCredit 0|1 data-iscredit=> Write a simple script in JS to handle change event on the select populated with services and show/hide payment_terms select depening on isCredit.

I'm assuming you're using jQuery. $("#services"). Change(function() { var selopt = $(this.childrenthis.

SelectedIndex), isCredit = parseInt(selopt. Attr('data-iscredit')); if (isCredit === 0) { $("#payment_terms").hide(); } else { $("#payment_terms").show(); } }).

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