unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    ADOConnection1: TADOConnection;
    ADODataSet1: TADODataSet;
    DataSource1: TDataSource;
    DBGrid1: TDBGrid;
    Button1: TButton;
    Button2: TButton;
    procedure FormActivate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

uses Unit2;

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
  ADODataSet1.Active:=false;
  ADODataSet1.CommandText:='select * from pokupatel order by code_pok';
  ADODataSet1.Active:=true;
  DBGrid1.Columns[0].Width:=30;
  DBGrid1.Columns[1].Width:=80;
  DBGrid1.Columns[2].Width:=80;
  DBGrid1.Columns[3].Width:=80;
  DBGrid1.Columns[0].Color:=clSilver;
  DBGrid1.Columns[1].Color:=clAqua;
  DBGrid1.Columns[2].Color:=clSkyBlue;
  DBGrid1.Columns[0].Title.Caption:='#';
  DBGrid1.Columns[1].Title.Caption:='Фамилия';
  DBGrid1.Columns[2].Title.Caption:='Имя';
  DBGrid1.Columns[3].Title.Caption:='Отчество';
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  Form2.ShowModal;
end;

procedure TForm1.FormActivate(Sender: TObject);
begin
  ADODataSet1.Connection:=ADOConnection1;
  DataSource1.DataSet:=ADODataSet1;
  DBGrid1.DataSource:=DataSource1;
  ADOConnection1.LoginPrompt:=false;
  DBGrid1.Width:=310;
  Form1.Width:=330;
end;

end.
 

unit Unit2;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ADODB, DB, StdCtrls;

type
  TForm2 = class(TForm)
    ADOQuery1: TADOQuery;
    ADODataSet1: TADODataSet;
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    Button1: TButton;
    procedure FormActivate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form2: TForm2;
  nomer: integer;

implementation

uses Unit1;

{$R *.dfm}

procedure TForm2.Button1Click(Sender: TObject);
begin
   ADOQuery1.SQL.Text:='insert into pokupatel values ('+
      IntToStr(nomer+1)+','+''''+Edit1.Text+''''+','+
      ''''+Edit2.Text+''''+','+
      ''''+Edit3.Text+''''+')';
   ADOQuery1.ExecSQL;
   Form2.Close;
  // Showmessage((ADOQuery1.SQL.Text));

end;

procedure TForm2.FormActivate(Sender: TObject);
begin
  ADODataSet1.Connection:=Form1.ADOConnection1;
  ADOQuery1.Connection:=Form1.ADOConnection1;
  Edit1.Text:='Фамилия';
  Edit2.Text:='Имя';
  Edit3.Text:='Отчество';

  ADODataSet1.Active:=false;
  ADODataSet1.CommandText:='select max(code_pok) as max_code from pokupatel';
  ADODataSet1.Active:=true;
  nomer:=ADODataSet1.FieldValues['max_code'];
end;

procedure TForm2.FormClose(Sender: TObject; var Action: TCloseAction);
begin
  Form1.ADODataSet1.Active:=false;
  Form1.ADODataSet1.CommandText:='select * from pokupatel order by code_pok';
  Form1.ADODataSet1.Active:=true;
  Form1.DBGrid1.Columns[0].Width:=30;
  Form1.DBGrid1.Columns[1].Width:=80;
  Form1.DBGrid1.Columns[2].Width:=80;
  Form1.DBGrid1.Columns[3].Width:=80;
  Form1.DBGrid1.Columns[0].Color:=clSilver;
  Form1.DBGrid1.Columns[1].Color:=clAqua;
  Form1.DBGrid1.Columns[2].Color:=clSkyBlue;
  Form1.DBGrid1.Columns[0].Title.Caption:='#';
  Form1.DBGrid1.Columns[1].Title.Caption:='Фамилия';
  Form1.DBGrid1.Columns[2].Title.Caption:='Имя';
  Form1.DBGrid1.Columns[3].Title.Caption:='Отчество';
end;

end.