asp.net mvc - Model validation using db value in Range -

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i have 2 tables, campaign , advert 1 many relationship. during advert creation, user selects pre-defined campaign advert belong. campaign has rrp money field , advert has saleprice money field. i'm after way ensure submitted advert.saleprice >= chosen campaigns rrp.

can done in model? along lines of in advert_validation? possible fill values of range method calls?

[range(0, getcampaignrrp(), errormessage = "value must equal or greater campaign rrp")] public double saleprice { get; set; }

or need check @ controller level? appreciated!

thanks all,

jay

you can use new remote attribute. calls action , returns true or false. here's link example.


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