Undefined method 'event_id_select' - Ruby on Rails

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Undefined method 'event_id_select' - Ruby on Rails

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#1 by (2 votes)

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I have to create a DropDown depending on the data of a table in my database, I have a line of code that I think I can do it but I have an error Undefined method of event_id_select where I can declare it or how I can resove it , I'm new by programming in Ruby on rails.

<%= f.collection_select(:event_id_select, Event.all, :id, :name) %>

ruby-on-rails

asked by AlexCs 22.07.2018 в 20:59

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NumberFormatException String to Double to String Interval of integers in regular expression

score 2 · Accepted Answer

event_id_select is not an attribute in your model, you must use the correct attribute / column, which should be (if you followed the Rails standards) event_id :

<%= f.collection_select(:event_id, Event.all, :id, :name) %>