>When I run the following code from the form's Init(),
>it works as expected:
>
>thisform.grd_lvl2.SetAll("dynamicbackcolor",;
> "IIF(table.field < 100,RGB(255,0,0),RGB(255,255,255))","Column")
>
>However, when I try to check a form property or even a
>variable like follows:
>
>xxx = .T.
>thisform.grd_lvl2.SetAll("dynamicbackcolor",;
> "IIF(xxx=.T.,RGB(255,0,0),RGB(255,255,255))","Column")
>
>I get the following error message:
>
> Expression is Invalid. Use a valid expression
> for DYNAMICBACKCOLOR property.
>
>All I want to do is check that the user wants to see the
>dynamic backcolor (thisform.turnoncolor = .T.) and the
>table.field value is greater than 100.
>
>What am I doing wrong?

Form property should work Ok, assuming that you assign DynamicBackColor in Form.Init (it may fail if you do it in Grid.Init). Variable will not work, because of scoping problem.