Iam doing a assignment taht record comment, the other people also can modify it.SO in my databse if first time enter, insert field "author" and "createdate"<BR>when another one modify, the field "author" and "createdate" still there and insert the name of the modifier to "modifier" and "datemodified" but I fail to update the "modifier" and "datemodified" bec first time is Null value<BR>Can any one solve this problem for me? thank