@alansidman hi im fin edting my data base it seems my button dont work really can you look at it again you can edit it now.. i didnt miss anything in the guide the query name is "maintable", table name"maintable".. when i click the query maintable a "Enter Parameter Value" appear i think the error is in the criteria.. can you look at the dbase? you can edit it now sir...

Here is the dl link sir....

http://rapidshare.com/files/428409081/Final.accdb

hope to hear from you again... if you can make the button run can you do it so that i can study it and see whats my error thanx...