public override ValidationResult Validate(object value, CultureInfo cultureInfo)
{
Storage storage = new Storage();
if (((String)value).Length > Max)
{
MainWindowViewModel.GradeNameValid = false;
return new ValidationResult(false, "Name can be max " + Max + " letters long.");
}
else if (SelReal == null && storage.isGradeName(Real.RealisationID, (String)value)) //pełna lista Grade, nie można dodawać, sprawdzanie tylko edytowania
{
MainWindowViewModel.GradeNameValid = false;
return new ValidationResult(false, "Grade name must be unique in realisation.");
}
else
{
MainWindowViewModel.GradeNameValid = true;
return new ValidationResult(true, null);
}
}
