Rails select selected option. The :value_method and :text_method paramete...
Rails select selected option. The :value_method and :text_method parameters are methods to be called on each member of If I have this select list how would I set the value to be what the form value is. So if it is a 1 it would select that option? <%= f. Jan 14, 2021 · The only documentation I can find to set which of the select options are selected by default says that it will pre-select whatever is in the model. select helper takes two options hashes, one for select, and the second for html options. Your second code sample forces the selected id to be 1 every time, and the third sample you posted always makes the first item in @models selected, regardless of the actual currently selected model. Jun 24, 2017 · When the select element doesn't have a value yet, this prepends an option with a generic prompt - “Please select” - or the given prompt string. But what if you had a City model (perhaps an Active Record one) and you wanted to generate option tags from a collection of those objects?. May 11, 2007 · The select_tag looks like the following: select_tag :order_hours, options_for_select (filter_hours, :selected => @selected_order_hours) @selected_order_hours is being set in the controller when the form is posted. If the object passed to it (the nested array, hash, etc) responds to . Basically, the fourth parameter to options_from_collection_for_select() should contain the id of the item you want to be selected. vfylbfferlouheqbfjkzzsoajgjhbcwvkbupajjnmxsl