>Sorry Sergey, this is the SET command
>
>cAlias = JUSTSTEM(Thisform.TablaEstadistica_Conteos)
>SELECT (cAlias)
>
>SET FILTER TO (Control.Etiqueta = This.Value) IN (cAlias)
>
>Is called from a Combo.InteractiveChange

You can not use THIS.Value in the SET FILTER command. Can you use any other alternative?

SET FILTER is not a good command to use with grids anyway.

BTW, in VFP9 you don't need to use GridHighlighter, you can just set your grid's HighlightStyle property correctly.