Greater Than or Equal To Today Date validation annotation in MVC3

Question

Has anyone seen an MVC3 data annotation for Date validation that requires a single selected date to be equal to or greater than current date?

If there\'s already a t

Answer 1

Use [Remote] for special validations, simple and easy:

Your model:

[Remote("ValidateDateEqualOrGreater", HttpMethod="Post", 
    ErrorMessage = "Date isn't equal or greater than current date.")]
public DateTime Date { get; set; }
//other properties

Your action:

[HttpPost]
public ActionResult ValidateDateEqualOrGreater(DateTime Date)
{
     // validate your date here and return True if validated
     if(Date >= DateTime.Now)
     {
       return Json(true);
     }
     return Json(false);    
}