using?System;
using?System.Collections.Generic;
using?System.Linq;
using?System.Text;
using?System.Data.SqlClient;

namespace?MyKTV
{
????///?

????///?數(shù)據(jù)庫(kù)輔助類
????///?

????class?DBHelper
????{
????????private?const?string?sql?=?“Data?Source=.;Initial?Catalog=SongManage01;Integrated?Security=True“;
????????private?SqlConnection?con;
????????public?SqlConnection?Con
????????{
????????????get
????????????{
????????????????if（con==null）{
????????????????????con?=?new?SqlConnection（sql）;
????????????????}
????????????????return?con;
????????????}
????????}
????}
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-03-05?23:11??MyKTV\
?????目錄???????????0??2013-03-05?23:11??MyKTV\MyKTV\
?????目錄???????????0??2013-03-05?23:11??MyKTV\MyKTV\bin\
?????目錄???????????0??2013-03-05?23:11??MyKTV\MyKTV\bin\Debug\
?????文件???????53760??2013-02-20?00:31??MyKTV\MyKTV\bin\Debug\AxInterop.WMPLib.dll
?????文件??????331264??2013-02-20?00:31??MyKTV\MyKTV\bin\Debug\Interop.WMPLib.dll
?????文件?????1838592??2013-03-02?22:56??MyKTV\MyKTV\bin\Debug\MyKTV.exe
?????文件??????140800??2013-03-02?22:56??MyKTV\MyKTV\bin\Debug\MyKTV.pdb
?????文件???????11600??2013-03-04?10:02??MyKTV\MyKTV\bin\Debug\MyKTV.vshost.exe
?????文件?????????490??2010-03-17?22:39??MyKTV\MyKTV\bin\Debug\MyKTV.vshost.exe.manifest
?????目錄???????????0??2013-03-05?23:12??MyKTV\MyKTV\bin\Release\
?????文件?????????626??2013-02-21?17:01??MyKTV\MyKTV\DBHelper.cs
?????文件????????7618??2013-02-27?19:08??MyKTV\MyKTV\FrmAddSong.cs
?????文件???????22678??2013-02-27?19:08??MyKTV\MyKTV\FrmAddSong.Designer.cs
?????文件???????31242??2013-02-27?19:08??MyKTV\MyKTV\FrmAddSong.resx
?????文件?????????481??2013-03-02?22:56??MyKTV\MyKTV\FrmGYInfo.cs
?????文件???????12978??2013-03-02?22:56??MyKTV\MyKTV\FrmGYInfo.Designer.cs
?????文件?????1155082??2013-03-02?22:56??MyKTV\MyKTV\FrmGYInfo.resx
?????文件????????1830??2013-02-23?01:43??MyKTV\MyKTV\FrmLogion.cs
?????文件???????11285??2013-02-23?01:41??MyKTV\MyKTV\FrmLogion.Designer.cs
?????文件?????1124838??2013-02-23?01:41??MyKTV\MyKTV\FrmLogion.resx
?????文件????????4431??2013-03-02?22:56??MyKTV\MyKTV\FrmMain.cs
?????文件????????9832??2013-02-23?00:44??MyKTV\MyKTV\FrmMain.Designer.cs
?????文件???????25108??2013-02-23?00:44??MyKTV\MyKTV\FrmMain.resx
?????文件????????7904??2013-02-22?15:12??MyKTV\MyKTV\FrmSingerInfo.cs
?????文件???????31066??2013-02-21?22:35??MyKTV\MyKTV\FrmSingerInfo.Designer.cs
?????文件???????95205??2013-02-21?22:35??MyKTV\MyKTV\FrmSingerInfo.resx
?????文件????????3270??2013-02-23?02:27??MyKTV\MyKTV\FrmSongAndImagePath.cs
?????文件???????16332??2013-02-23?02:27??MyKTV\MyKTV\FrmSongAndImagePath.Designer.cs
?????文件???????17095??2013-02-23?02:27??MyKTV\MyKTV\FrmSongAndImagePath.resx
?????文件???????11020??2013-02-23?02:43??MyKTV\MyKTV\FrmSongPlay.cs
............此處省略60個(gè)文件信息