>I have a pageframe in my form. I dragged the fields in my DE (tbl_advance) in the first tab of the pageframe.
>
>All text boxes are enabled. But when I ran the form, I can't click on them. What's wrong?

As Dragan said, it usually happens when you don't have a record (the table which is controlsource for textboxes is on EOF() or doesn't have records at all).