public override string[] GetRolesForUser(string username)
{
var userRoldeService = (IUserRoleService) DependencyResolver.Current.GetService(typeof (IUserRoleService));
var roles =
userRoldeService.Get(t => t.UserProfile.UserName == username, null, "UserProfile,Role").Select(
t => t.Role.Name);
return roles.ToArray();
}