>I have a form with a grid showing the child side of a one-to-many
>relationship. The first column contains a drop-down combo displaying
>products. The products in the list is dependent on the user level,
>determined at login. I have populated the list in a variety of ways: first
>with SQL, then with a table. When I use an ordered by clause (with SQL) or
>set an order (with a table), I get a variety of errors, often kicking the
>user out of VFP entirely.
>
>The most common error message is "Variable 'GRIDLINES' not found." Gridlines
>is not my variable; it's obviously a basic grid property, which I never
>access.
>
>The project was originally created in VFP 3.0, where it worked fine, and was
>converted to VFP 5.0 three weeks ago -- and has not worked properly since. I
>have rebuilt the form, rebuilt the data container and all tables. Nothing
>has worked. The error has occured over many machines.
>
>Microsoft has no answer. They believe it is corruption, but I'm beginning to
>think it's a fundamental flaw of VFP.
>
>Has anyone else experience this? Any solutions? If so, PLEASE e-mail me at
>anderson.david@usa.net.
>
>Thanks!

Did you try to delete combo, test grid w/out it, then build combo from scratch and test again? At least you will know better where the problem lies.