I think the problem is that you have your main form set to both Pop Up and to Maximize. Set Pop Up to No, and leave the maximize, and the datasheet will cover the main form since it will mazimize as well. To prevent this, put the datasheet in a Datasheet form, and set that form to Pop Up = Yes.
So Main form:
Pop Up = No
On Open = Me.Maximize
New Datasheet View form:
Pop Up = Yes
The main form will function as it does now, but will not cover your new form. Your new form will prevent the query results from maximizing and covering your main form.
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mmcdonal
Look it up at:
http://wrox.books24x7.com