>>>I created optionGroup class with 3 Options.
>>>In a table I associated an integer column with that optionGroup.
>>>When I drop the field on a Form from the table in the dataenvironment I get the warning "member xyz is a member class"
>>>
>>>But if I change the Option number in the class from 3 to 2 it works without problem.
>>>
>>>What causing that error?
>>
>>I don't think it's a good idea to associate a field with some class when you design your table /database. Can you remove the mapping in table designer and see if the error goes away?
>
>I don't understand why it is a bad idea. I use it all the time.
>It works perfect with 2 Options but give me that error with 3 Options.

Ok, just for this one then remove it. I personally don't use the field mappings, but I'm not sure if I can quickly figure out why it is really a bad idea to use them, may be someone else can chime in.