main.pas

Delphi7数据库开发教程,包含该书21套实例

unit Main;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, DB, ADODB, DBTables, RpDefine, RpCon, RpConDS, StdCtrls, RpRave;

type
  TForm1 = class(TForm)
    ADOConnection1: TADOConnection;
    ADOQuery1: TADOQuery;
    RvDataSetConnection1: TRvDataSetConnection;
    RvProject1: TRvProject;
    btnSimpleReport: TButton;
    procedure btnSimpleReportClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.btnSimpleReportClick(Sender: TObject);
begin
  //为报表组件的ProjectFile属性指定一个设计好的报表文件
  RvProject1.ProjectFile:=ExtractFilePath(Application.ExeName)+'ReportDemo.rav';
  //然后运行报表，可以进行预览或者打印报表
  RvProject1.Execute;//也可以使用ExecuteReport()方法
  RvProject1.Close;//关闭报表
end;

end.