public void Update(NotifyIssue subject)
        {
            ValidatableBase instance     = (ValidatableBase)subject;
            string          errorMessage = "";

            if (instance.ValidationErrors.ContainsKey(this._propertyName))
            {
                errorMessage = instance.ValidationErrors[this._propertyName];
            }
            this.SetTargetValue(errorMessage);
        }
        protected override bool DoIsValid(object instance, object value)
        {
            if (value == null)
            {
                return(false);
            }

            ValidatableBase validatable = (ValidatableBase)value;

            return(validatable.IsValid);
        }
 /// <summary>
 /// Initializes a new instance of the <see cref="T:InValidBusinessObjectException"/> class.
 /// </summary>
 /// <param name="validatableObject">The validatable object.</param>
 public InValidBusinessObjectException(ValidatableBase validatableObject) : base("Object is invalid")
 {
     this.validatableObject = validatableObject;
 }