Dear: What you said is just the requirment of my project, I want to one field is an auto increment integer when user use one form to add something into my database. Should I modify my database structure.Make Null the first fields of the database? is there any other method to do that? How to realize the auto increment integer? Please give me some advice. Thanks a lot! Victor zhai. "WorldSecure Server <ogilvy.com>" made the following annotations on 01/31/00 22:49:42 ------------------------------------------------------------------------------ Privileged/Confidential Information may be contained in this message. If you are not the addressee indicated in this message (or responsible for delivery of the message to such person), you may not copy or deliver this message to anyone. In such case, you should destroy this message and kindly notify the sender by reply email. Please advise immediately if you or your employer does not consent to email for messages of this kind. Opinions, conclusions and other information in this message that do not relate to the official business of the Ogilvy Group shall be understood as neither given nor endorsed by it. ==============================================================================