How can I use Remote Validation with entity framework Code First Approach in ASP .Net MVC.

How can I use Remote Validation with entity framework Code First Approach in ASP .Net MVC. Where table name is CouponTab and the field on which I want to apply Remote validation on CouponCode Column. I do not want to insert coupon Code data repeated.



Thanks in Advance.....

Thanks and Regards,
Krishna Kumar