protected override ValidationResult IsValid(object value, ValidationContext validationContext)
{
if (value == null)
{
return(null);
}
var date = (DateTime)value;
var isLegacy = ((ModelBase)validationContext.ObjectInstance).IsLegacy;
if (date < _startDate && isLegacy == false)
{
return(new ValidationResult(ErrorMessage));
}
if (date > DateTime.Today)
{
return(new ValidationResult(ValidationMessages.TodayOrEarlier(validationContext.DisplayName)));
}
return(null);
}
public override string FormatErrorMessage(string name)
{
return(ValidationMessages.DateValidityRangeStart(name, _startDate.ToShortDateString()));
}