unit mzsz;

interface

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

type
  Tmzszb = class(TForm)
    Panel1: TPanel;
    Label1: TLabel;
    Edit1: TEdit;
    Panel2: TPanel;
    BitBtn1: TBitBtn;
    BitBtn2: TBitBtn;
    BitBtn3: TBitBtn;
    BitBtn4: TBitBtn;
    BitBtn5: TBitBtn;
    DataSource1: TDataSource;
    DBGrid1: TDBGrid;
    procedure BitBtn1Click(Sender: TObject);
    procedure DBGrid1KeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure BitBtn4Click(Sender: TObject);
    procedure BitBtn5Click(Sender: TObject);
    procedure BitBtn2Click(Sender: TObject);
    procedure BitBtn3Click(Sender: TObject);
    procedure Edit1KeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure FormCreate(Sender: TObject);
    procedure DBGrid1DrawColumnCell(Sender: TObject; const Rect: TRect;
      DataCol: Integer; Column: TColumn; State: TGridDrawState);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  mzszb: Tmzszb;

implementation

uses datamodule;

{$R *.DFM}

procedure Tmzszb.BitBtn1Click(Sender: TObject);
begin
bitbtn5.enabled:=true;
datamodule1.mzsz.append;
edit1.setfocus;
edit1.text:='';
end;

procedure Tmzszb.DBGrid1KeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
if inttostr(key)='107' then
 bitbtn1.click;
 if inttostr(key)='69' then
  bitbtn4.click;
   if inttostr(key)='109' then
   bitbtn2.click;
     if inttostr(key)='13' then
     bitbtn5.click;
end;

procedure Tmzszb.BitBtn4Click(Sender: TObject);
begin
bitbtn5.enabled:=true;
datamodule1.mzsz.edit;
edit1.text:=datamodule1.mzsz.fieldbyname('a_mz').asstring;
end;

procedure Tmzszb.BitBtn5Click(Sender: TObject);
begin
if bitbtn5.enabled=false then
showmessage('請先按新增或修改再輸入內(nèi)容!')
else
begin
with datamodule1.mzsz do
begin
fieldbyname('a_mz').asstring:=edit1.text;
post;
close;
open;
end;
edit1.text:='';
bitbtn5.enabled:=false;
end;

end;
procedure Tmzszb.BitBtn2Click(Sender: TObject);
begin
if application.messagebox('確定要刪除此記錄嗎?','程序執(zhí)行確認(rèn)',mb_yesno+mb_defbutton2+mb_iconstop+mb_applmodal)=idyes then
datamodule1.mzsz.Delete
else
showmessage('該記錄未刪除');
end;

procedure Tmzszb.BitBtn3Click(Sender: TObject);
begin
self.close;
end;

procedure Tmzszb.Edit1KeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
if inttostr(key)='107' then
 bitbtn1.click;
 if inttostr(key)='69' then
  bitbtn4.click;
   if inttostr(key)='109' then
   bitbtn2.click;
     if inttostr(key)='13' then
     bitbtn5.click;
end;
procedure Tmzszb.FormCreate(Sender: TObject);
begin
 bitbtn5.enabled:=false;
end;

procedure Tmzszb.DBGrid1DrawColumnCell(Sender: TObject; const Rect: TRect;
  DataCol: Integer; Column: TColumn; State: TGridDrawState);
var
 lastcolor: TColor;
begin
 with (Sender as TDBGrid) do
 begin
   lastcolor := clred;

   case DataSource.DataSet.RecNo mod 2 of
     1: lastcolor := $00F5FEFD;
     0: lastcolor := clwhite;
   end;

   if gdSelected in State then
     lastcolor := clred;      //選中行背景為綠色

   Canvas.Brush.Color := lastcolor;
   DefaultDrawDataCell(Rect, Column.Field, State);
 end;
end;

procedure Tmzszb.FormClose(Sender: TObject; var Action: TCloseAction);
begin
self.release;
end;

end.