Selecting multiple values from select tag - Grails

Question

Could you please anyone tell me how to get multiple values from

I have this in my create.gsp

Answer 1

Your MME is because the get() on Domain classes only handles one id at a time. For multiple ids from your use.

def validators = Validator.getAll(params.list('validator.id'))

The params.list() will always fetch 'validator.id' as a List even if there's only one, which will save you from having to test for single vs multiple results from your

.