namespace System.Web.Mvc { using System; using System.Collections.Generic; public class ModelClientValidationRule { private readonly Dictionary _validationParameters = new Dictionary(); private string _validationType; public string ErrorMessage { get; set; } public IDictionary ValidationParameters { get { return _validationParameters; } } public string ValidationType { get { return _validationType ?? String.Empty; } set { _validationType = value; } } } }