Оформил: DeeCo
Автор: http://www.swissdelphicenter.ch

type
   TForm1 = class(TForm)
     DataSource1: TDataSource;
     Table1: TTable;
     Button1: TButton;
 end;

 procedure TForm1.Button1Click(Sender: TObject);
 var
   SeekValue: string;
 begin
   Table1.DisableControls;
   Table1.FindKey([SeekValue]);
   Table1.EnableControls;
 end;