I'm curious to find out if it is possible to override the [Required] attribute that has been set on a model. I'm sure there most be a simple solution to this problem, any takers?
Depends on what precisely you are doing. If you are working with a subclass, using the model with the Required attribute as the base, you can do this:
Redefine the property with the new
keyword, rather than override it.
public class BaseModel
{
[Required]
public string RequiredProperty { get; set; }
}
public class DerivativeModel : BaseModel
{
new public string RequiredProperty { get; set; }
}
If you simply want to bind or validate a model, but skip the Required property in your controller, you can do something like:
public ActionResult SomeAction()
{
var model = new BaseModel();
if (TryUpdateModel(model, null, null, new[] { "RequiredProperty" })) // fourth parameter is an array of properties (by name) that are excluded
{
// updated and validated correctly!
return View(model);
}
// failed validation
return View(model);
}