unit Unit2;

interface

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

type
  TForm2 = class(TForm)
    Table2SNO: TFloatField;
    Table2SNAME: TStringField;
    Table2SEX: TStringField;
    Table2BIRTH: TDateTimeField;
    Table2DNO: TFloatField;
    Table1DNO: TFloatField;
    Table1DNAME: TStringField;
    Table1TEL: TStringField;
    ScrollBox: TScrollBox;
    Label1: TLabel;
    EditDNO: TDBEdit;
    Label2: TLabel;
    EditDNAME: TDBEdit;
    Label3: TLabel;
    EditTEL: TDBEdit;
    DBGrid1: TDBGrid;
    DBNavigator: TDBNavigator;
    Panel1: TPanel;
    DataSource1: TDataSource;
    Panel2: TPanel;
    Panel3: TPanel;
    Table1: TTable;
    Table2: TTable;
    DataSource2: TDataSource;
    Query1: TQuery;
    Edit1: TEdit;
    Button1: TButton;
    procedure FormCreate(Sender: TObject);
    procedure Table1AfterScroll(DataSet: TDataSet);
    procedure Button1Click(Sender: TObject);
    procedure DBNavigatorClick(Sender: TObject; Button: TNavigateBtn);
  private
    { private declarations }
  public
    { public declarations }
  end;

var
  Form2: TForm2;

implementation

{$R *.DFM}

procedure TForm2.FormCreate(Sender: TObject);
begin
  Table1.Open;
  Table2.Open;
end;

procedure TForm2.Table1AfterScroll(DataSet: TDataSet);
begin
//query1.close;
//query1.ParamByName('dno').value:=editdno.Text;
//query1.Open;
//edit1.text:=query1.fields[0].asstring;
end;

procedure TForm2.Button1Click(Sender: TObject);
begin
close;
end;

procedure TForm2.DBNavigatorClick(Sender: TObject; Button: TNavigateBtn);
begin
query1.close;
query1.ParamByName('dno').value:=editdno.Text;
query1.Open;
edit1.text:=query1.fields[0].asString;

end;

end.