Load value to dropdown from table in Ruby on Rails

Its very simple to load the table value to dropdown box in ruby on rails.

Syntax :

             select(:model, :attribute, rails query)

Example :

Now you need to load the countries table table to drop down mean

             select(:Country, :cname, Country.all.collect {|c| [ c.name, c.id ] })

Country => Its model name
cname => Field name
Country.all => Its load the all values to dropdown.
Its like "SELECT *FROM COUNTRIES"

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