[oesqueda]

Perdon puse dobel comilla en vez de una:

const
FILTRO = '(TicketID) LIKE ''*%d*'') OR (Usuario) LIKE (''*%s*'')';
var
sCad:string;

if edtBuscar.Text<> '' then
with ADOTableTicket do begin
Close;
Filtered:= False;

sCad := Format(FILTRO, [Tiq, usu]);
Filter:= sCad;

Filtered:= True;

Open;
end