>>>>Try it as a sample.
>>>
>>>No, I didn't try his example because I thought it was for building CA in design time. I prefer to build the properties at run-time dynamically. But, to my question, was I correct that PK must be in the UpdateNameList?
>>
>>I think it should not, but I need to review the code for CAs I have to be 100% sure. I'll check it later, need to run soon.
>
>Not a problem. Thanks.

I was incorrect - in my CA class (built with Mark's builder) all fields (including PK) are part of UpdateFieldList and UpdateNameList.