Bob, You have to use this form of expression EXPRESSION ([fieldname] != 'A10') -Steve W. Bob Basques wrote: > All, > > is there a way to express a NOT inside of an EXPRESSION? > > I want to display more than one type of Highway Shield from a layer, one > is : > > EXPRESSION 'A10' > > How would I do : > > EXPRESSION '<NOT>A10' > > Thanks > > bobb >