[NumLock]

Код:

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Grids, DBGrids, DB, DBTables;

type
  TDBGrid = class(DBGrids.TDBGrid)
  end;

  TForm1 = class(TForm)
    Table1: TTable;
    DataSource1: TDataSource;
    DBGrid1: TDBGrid;
    Edit1: TEdit;
    procedure DataSource1DataChange(Sender: TObject; Field: TField);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.DataSource1DataChange(Sender: TObject; Field: TField);
begin
  if Field=nil then Edit1.Top:=DBGrid1.CellRect(DBGrid1.Col, DBGrid1.Row).Top+DBGrid1.Top;
end;

end.

Код:

object Form1: TForm1
  Left = 192
  Top = 124
  Width = 1305
  Height = 675
  Caption = 'Form1'
  Color = clBtnFace
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -11
  Font.Name = 'MS Sans Serif'
  Font.Style = []
  OldCreateOrder = False
  PixelsPerInch = 96
  TextHeight = 13
  object DBGrid1: TDBGrid
    Left = 200
    Top = 224
    Width = 320
    Height = 225
    DataSource = DataSource1
    TabOrder = 0
    TitleFont.Charset = DEFAULT_CHARSET
    TitleFont.Color = clWindowText
    TitleFont.Height = -11
    TitleFont.Name = 'MS Sans Serif'
    TitleFont.Style = []
  end
  object Edit1: TEdit
    Left = 552
    Top = 120
    Width = 121
    Height = 21
    TabOrder = 1
    Text = 'Edit1'
  end
  object Table1: TTable
    Active = True
    DatabaseName = 'DBDEMOS'
    TableName = 'country.db'
    Left = 200
    Top = 136
  end
  object DataSource1: TDataSource
    DataSet = Table1
    OnDataChange = DataSource1DataChange
    Left = 264
    Top = 136
  end
end