I've been following you guys. I had the same problem. already change the permission of the gtks.mdf database uncheck readonly etc. i can read from the db. here is the code. Connected OK error: -2147217900 No update permissions!INSERT INTO ct_mstr (ct-nbr,ct-fname)VALUE('3','rya') already figure out my problem. some of my fields doesnt allow nulls.. i change them to allow nulls. it works tnx guys.