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I am using model binding (with a strongly typed partial view) for my validation of a search form.
For a “live” search I require city, date, time and other things, but for a “city” I only require city.
Is there a way to set the required attribute on my model conditionally, based on whether a hidden input “searchtype” is set?
Or is model binding, not going to work in this situation?
Out of the box, there isn’t any kind of
RequiredIfAttribute, but MVC FoolProof validation has these plus many other useful validation attributes.