select_tag(name, option_tags = nil, options = {})
Instance Public methods
Creates a dropdown selection box, or if the :multiple option
is set to true, a multiple choice selection box.
Helpers::FormOptions can be used to create common select boxes such as
countries, time zones, or associated records. option_tags is a
string containing the option tags for the select box.
Options
-
:multiple- If set to true the selection will allow multiple choices. -
:disabled- If set to true, the user will not be able to use this input. -
:include_blank- If set to true, an empty option will be created. -
:prompt- Create a prompt option with blank value and the text asking user to select something -
Any other key creates standard HTML attributes for the tag.
Examples
select_tag "people", options_from_collection_for_select(@people, "id", "name") # <select id="people" name="people"><option value="1">David</option></select> select_tag "people", "<option>David</option>".html_safe # => <select id="people" name="people"><option>David</option></select> select_tag "count", "<option>1</option><option>2</option><option>3</option><option>4</option>".html_safe # => <select id="count" name="count"><option>1</option><option>2</option> # <option>3</option><option>4</option></select> select_tag "colors", "<option>Red</option><option>Green</option><option>Blue</option>".html_safe, multiple: true # => <select id="colors" multiple="multiple" name="colors[]"><option>Red</option> # <option>Green</option><option>Blue</option></select> select_tag "locations", "<option>Home</option><option selected='selected'>Work</option><option>Out</option>".html_safe # => <select id="locations" name="locations"><option>Home</option><option selected='selected'>Work</option> # <option>Out</option></select> select_tag "access", "<option>Read</option><option>Write</option>".html_safe, multiple: true, class: 'form_input' # => <select class="form_input" id="access" multiple="multiple" name="access[]"><option>Read</option> # <option>Write</option></select> select_tag "people", options_from_collection_for_select(@people, "id", "name"), include_blank: true # => <select id="people" name="people"><option value=""></option><option value="1">David</option></select> select_tag "people", options_from_collection_for_select(@people, "id", "name"), prompt: "Select something" # => <select id="people" name="people"><option value="">Select something</option><option value="1">David</option></select> select_tag "destination", "<option>NYC</option><option>Paris</option><option>Rome</option>".html_safe, disabled: true # => <select disabled="disabled" id="destination" name="destination"><option>NYC</option> # <option>Paris</option><option>Rome</option></select> select_tag "credit_card", options_for_select([ "VISA", "MasterCard" ], "MasterCard") # => <select id="credit_card" name="credit_card"><option>VISA</option> # <option selected="selected">MasterCard</option></select>
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