unit3.pas

本软件是我用WindowsMediaPlayer,以及Access数据库 并使用了EhLib 官方 v4.1.4 完整版本带源码,Vclskin控件 希望大家喜欢调试前请确保你的电脑 安装了Wi

unit Unit3;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  DB, ADODB, Buttons, ExtCtrls, Grids, DBGrids, GridsEh, DBGridEh;

type
  TForm3 = class(TForm)
    Panel1: TPanel;
    SpeedButton1: TSpeedButton;
    SpeedButton2: TSpeedButton;
    SpeedButton4: TSpeedButton;
    SpeedButton5: TSpeedButton;
    SpeedButton3: TSpeedButton;
    ADOConnection1: TADOConnection;
    ADOQuery1: TADOQuery;
    DataSource1: TDataSource;
    DBGridEh1: TDBGridEh;
    procedure DBGridEh1CellClick(Column: TColumnEh);
    procedure SpeedButton2Click(Sender: TObject);
    procedure SpeedButton4Click(Sender: TObject);
    procedure SpeedButton5Click(Sender: TObject);
    procedure SpeedButton3Click(Sender: TObject);
    procedure SpeedButton1Click(Sender: TObject);
    procedure FormShow(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form3: TForm3;

implementation

uses Unit2, Unit4, Unit5,unit1;

{$R *.dfm}

procedure TForm3.DBGridEh1CellClick(Column: TColumnEh);
begin
form2.Edit1.Text:=DBGridEh1.DataSource.DataSet.FieldByName('路径').AsString;
form2.SpeedButton3.Click;
end;

procedure TForm3.SpeedButton2Click(Sender: TObject);
begin
DBGridEh1.DataSource.DataSet.Delete;
end;

procedure TForm3.SpeedButton4Click(Sender: TObject);
begin
with DBGridEh1.DataSource.DataSet do
if not Eof then
Next
else
SpeedButton4.Enabled:=false;
SpeedButton5.Enabled:=true;
end;

procedure TForm3.SpeedButton5Click(Sender: TObject);
begin
with DBGridEh1.DataSource.DataSet do
if not Bof then
Prior
else
 SpeedButton5.Enabled:=false;
 SpeedButton4.Enabled:=true;
end;

procedure TForm3.SpeedButton3Click(Sender: TObject);
begin
form4.ShowModal;
end;

procedure TForm3.SpeedButton1Click(Sender: TObject);
begin
form5.ShowModal;
end;

procedure TForm3.FormShow(Sender: TObject);
begin
if not ADOQuery1.Active then
ADOQuery1.Active:=true;
form3.Caption:=Caption+' 共有记录:'+inttostr(DBGridEh1.DataSource.DataSet.RecordCount)+'个';
end;

end.