//required field
partial void OnCountryChanging(global::System.String value)
{
if (value.IsNull()) throw new InvalidOperationException(nullValueErrorMessage);
else if (value.IsEmpty()) throw new InvalidOperationException(emptyValueErrorMessage);
}
//optional field
partial void OnBirthDateChanging(global::System.DateTime? value)
{
if (value.IsEmpty()) throw new InvalidOperationException(emptyValueErrorMessage);
}
//optional field
partial void OnTitleOfCourtesyChanging(global::System.String value)
{
if (value.IsEmpty()) throw new InvalidOperationException(emptyValueErrorMessage);
}
//optional field
partial void OnReportsToChanging(global::System.Int32? value)
{
if (value.IsEmpty()) throw new InvalidOperationException(emptyValueErrorMessage);
}
//optional field
partial void OnPostalCodeChanging(global::System.String value)
{
if (value.IsEmpty()) throw new InvalidOperationException(emptyValueErrorMessage);
}
//optional field
partial void OnPhotoChanging(global::System.Byte[] value)
{
if (value.IsEmpty()) throw new InvalidOperationException(emptyValueErrorMessage);
}