private void FixupStateProvince(StateProvince previousValue)
{
if (previousValue != null && previousValue.SalesTaxRates.Contains(this))
{
previousValue.SalesTaxRates.Remove(this);
}
if (StateProvince != null)
{
if (!StateProvince.SalesTaxRates.Contains(this))
{
StateProvince.SalesTaxRates.Add(this);
}
if (StateProvinceID != StateProvince.StateProvinceID)
{
StateProvinceID = StateProvince.StateProvinceID;
}
}
}