mrjsfrm.pas

自己看把！

unit MrjsFrm;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ComCtrls, ToolWin, Grids, DBGridEh;

type
  TfrmMrjs = class(TForm)
    CoolBar1: TCoolBar;
    ToolBar1: TToolBar;
    ToolButton1: TToolButton;
    ToolButton2: TToolButton;
    ToolButton3: TToolButton;
    StatusBar1: TStatusBar;
    DBGridEh1: TDBGridEh;
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure ToolButton1Click(Sender: TObject);
    procedure ToolButton3Click(Sender: TObject);
    procedure ToolButton2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  frmMrjs: TfrmMrjs;

implementation

uses MainDM, DB, AddMrjsFrm;

{$R *.dfm}

procedure TfrmMrjs.FormClose(Sender: TObject; var Action: TCloseAction);
begin
  Action := caFree;
  frmMrjs := nil;
end;

procedure TfrmMrjs.ToolButton1Click(Sender: TObject);
begin
  with dmMain.tblMrjs do
  begin
    if CanModify then
    begin
      try
        Append;
        FieldByName('日期').AsDateTime := Date;
        frmAddMrjs := TfrmAddMrjs.Create(Self);
        frmAddMrjs.Caption := '添加';
        if frmAddMrjs.ShowModal = mrOK then
          Post
        else
          Cancel;
      finally
        frmAddMrjs.Free;
      end;
    end;
  end;
end;

procedure TfrmMrjs.ToolButton3Click(Sender: TObject);
begin
  with dmMain.tblMrjs do
  begin
    if CanModify then
    begin
      try
        Edit;
        frmAddMrjs := TfrmAddMrjs.Create(Self);
        frmAddMrjs.Caption := '修改';
        if frmAddMrjs.ShowModal = mrOK then
          Post
        else
          Cancel;
      finally
        frmAddMrjs.Free;
      end;
    end;
  end;
end;

procedure TfrmMrjs.ToolButton2Click(Sender: TObject);
begin
  with dmMain.tblMrjs do
  begin
    if RecordCount > 0 then
      if MessageDlg('确实要删除该项记录吗？',
        mtWarning,
        [mbYes, mbOk],
        0) = mrYes then
        Delete;
  end;
end;

end.