Sort records with Czech diacritics

Dears advice me how to sort records with Czech diacritics (ě?čř?????)  in DBAdvGrid 


When I sort  records in grid records are sorted  ě?čř????? - z
thanks

Try to add the event handler OnGetFormat that implements:

procedure TForm5.DBAdvGrid1GetFormat(Sender: TObject; ACol: Integer;

  var AStyle: TSortStyle; var aPrefix, aSuffix: string); begin

  AStyle := ssAnsiAlphaCase

end;