private static int?GetParentKey(List <IBusinessObject> list, IBusinessObject b)
{
for (int i = list.Count - 1; i >= 0; i--)
{
IBusinessObject ib = list[i];
if (ib.TableName == b.ParentTableName && ib.HasField(b.ParentKeyName))
{
if (!ib.IsNull(b.ParentKeyName))
{
return((int)ib[b.ParentKeyName]);
}
else
{
return(null);
}
}
}
return(null);
}
