> I read in a kevin's message, that it's recommended use listobj and/or listobjedit. But if I use it in a cbizobjmaintform and cbizobjmaintenaceform forms receive an error message, saying that the object no inherit from cbizobj class.>

You can use CListObjEdit in business object forms without a problem...the sample Project Manager application uses it in many of its forms. What is the actual error you are getting and under what circumstances.

You can also use the CGrid class for any of your grid needs.

Regards,