【delphi开源代码栏目提醒】：本文主要为网学会员提供forrep.pas，希望对需要forrep.pas网友有所帮助，学习一下!

    unit forrep;
    
    interface
    
    uses
      Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
      Dialogs, StdCtrls, DB, ADODB;
    
    type
      Tforrepfrm = class(TForm)
        Label1: TLabel;
        Label2: TLabel;
        ComboBox1: TComboBox;
        ComboBox2: TComboBox;
        look_btn: TButton;
        cancel_btn: TButton;
        ADOQuery1: TADOQuery;
        ADOQuery2: TADOQuery;
        procedure cancel_btnClick(Sender: TObject);
        procedure look_btnClick(Sender: TObject);
      private
        { Private declarations }
      public
        { Public declarations }
      end;
    
    var
      forrepfrm: Tforrepfrm;
    
    implementation
    
    uses wagerep;
    
    {$R *.dfm}
    
    procedure Tforrepfrm.cancel_btnClick(Sender: TObject);
    begin
    combobox1.Clear;combobox2.Clear;         //清空combobox2
    adoquery1.Close;adoquery2.Close;         //关闭数据连接
    forrepfrm.Close;                         //关闭数据报表
    end;
    
    procedure Tforrepfrm.look_btnClick(Sender: TObject);
    begin
    wagerepfrm.ADOQuery1.Close;               //查看符合条件的司机工资报表
    wagerepfrm.ADOQuery1.SQL.Clear;
    wagerepfrm.ADOQuery1.SQL.Add('select * from wage_info  '
    +' where worker_id='''+combobox1.Text+''' and give_date='''+combobox2.Text+'''  ');
    wagerepfrm.ADOQuery1.Open;
    
    if   wagerepfrm.ADOQuery1.Eof  then           //如果记录不存在,向用户提示
    begin
    showmessage('对不起，该记录不存在，无法查看报表！');
    exit;
    end;
    wagerepfrm.quickrep1.preview;
    end;
    
    end.