Hi!
I'm using DynamicProxy 2.2 for Silverlight 3.0 to generate validation
based on DataAnnotations.
I've defined a class like this:
public class AutenticacaoViewModel
{
[Required(ErrorMessage = "O usuário é obrigatório.")]
[Display(Name = "", Description = "Informe o usuário.")]
public virtual string Usuario { get; set; }
[Required(ErrorMessage = "A senha é obrigatória.")]
[Display(Name = "", Description = "Informe a senha.")]
public virtual string Senha { get; set; }
[Required(ErrorMessage = "A unidade é obrigatória.")]
[Display(Name = "", Description = "Informe a unidade.")]
public virtual Contratos.EmpresaUnidade EmpresaUnidade { get;
set; }
}
The interceptor for this class uses some code to validate a property
given its attributes:
var property = invocation.Method.Name.Substring(4);
var @this = invocation.InvocationTarget;
Validator.ValidateProperty(invocation.Arguments[0], new
ValidationContext(@this, null, null) { MemberName = property });
The problem is, framework code can't retrieve validation attributes.
With some code I can see DP does copy target attributes to proxy:
autenticacao =
ValidationInterceptor.MakeNotifier<AutenticacaoViewModel>();
var x1 =
Attribute.GetCustomAttributes(autenticacao.GetType().GetProperty("Usuario"));
var y1 =
Attribute.GetCustomAttributes(autenticacao.GetType().GetProperty("Senha"));
var x2 =
autenticacao.GetType().GetProperty("Usuario").GetCustomAttributes(true);
var y2 =
autenticacao.GetType().GetProperty("Senha").GetCustomAttributes(true);
x1 and y1 holds a list of attributes, but x2 and y2 are empty.
Unfortunately, Validator.ValidateProperty() uses the second approach
(confirmed by Reflector).
Does anyone here knows how to solve this problem?
TIA
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