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unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    ADOConnection1: TADOConnection;
    DataSource1: TDataSource;
    ADOTable1: TADOTable;
    DBEdit1: TDBEdit;
    DBEdit2: TDBEdit;
    DBNavigator1: TDBNavigator;
    DBGrid1: TDBGrid;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    DBEdit3: TDBEdit;
    ADOQuery1: TADOQuery;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
  private
    { Private-Deklarationen }
  public
    { Public-Deklarationen }
  end;

var
  Form1: TForm1;

implementation

uses Unit2;

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
  Var
  Form: TForm2;
Begin
  Try
    // TForm2 manuel erstellen
    Form := TForm2.Create (Self);
    Try
      // Preview anzeigen;
      Form.Quickrep1.Preview;
    Finally
      // Form wieder freigeben
      Form.Free;
    End;
  Except
    { Fehler! }
  End;
End;


procedure TForm1.Button2Click(Sender: TObject);
begin
  Form2.QuickRep1.print;
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
  ADOQuery1.close;
  ADOQuery1.SQL.clear;
  ADOQuery1.SQL.Add('select sum(Stunden) AS Gesamtsumme from Table1');
  ADOQuery1.Open;
  DBEdit3.Text := ADOQuery1.SQL.Values['Gesamtsumme'];
end;

end.