private void ControlsToData()
{
identificationNumber.number = edtNumber.GetValue<string>();
//identificationNumber.qualifier = edtQualifier.GetValue<string>();
identificationNumber.type = (IdentificationNumberType)cmbType.SelectedItem;
if (identificationNumber is ManufacturerIdentificationNumber)
((ManufacturerIdentificationNumber)identificationNumber).manufacturerName = edtManufacturerName.GetValue<string>();
if (identificationNumber is UserDefinedIdentificationNumber)
((UserDefinedIdentificationNumber)identificationNumber).qualifier = edtQualifier.GetValue<string>();
}