buy_f.pas

县级供电企业电费核算源码, 在客户处正常运行8年以上, Delphi 5开发,数据库为Interbase/Firebird, 深入使用Procedure和Trigger等, 对入门者具有很好的参考价值

unit Buy_F;

interface

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

type
  TF_Buy = class(TForm)
    Panel1: TPanel;
    DBGrid1: TDBGrid;
    Panel2: TPanel;
    Button1: TButton;
    DBNavigator1: TDBNavigator;
    procedure Button1Click(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure DBGrid1KeyPress(Sender: TObject; var Key: Char);
    procedure FormShow(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  F_Buy: TF_Buy;

implementation

uses Table_DM, Comm, CommFee;

{$R *.DFM}

procedure TF_Buy.Button1Click(Sender: TObject);
begin
	Close();
end;

procedure TF_Buy.FormClose(Sender: TObject; var Action: TCloseAction);
begin
	Dm_Table.Tb_Buy.Close();
    MyReleaseForm(TForm(F_Buy));
end;

procedure TF_Buy.DBGrid1KeyPress(Sender: TObject; var Key: Char);
begin
	If Key = #13 Then
    	If Not DM_Table.Tb_Buy.Eof Then
        	DM_Table.Tb_Buy.Next();
end;

procedure TF_Buy.FormShow(Sender: TObject);
begin
	P_OpenTable(Dm_Table.Tb_Buy);
    DM_Table.Tb_Buy.Refresh();
end;

end.