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

using?System.Data.SqlClient;
using?System.Data;
namespace?MobileInfoWindows
{
????class?DBhelper
????{

????????public?static?DataSet?GetDataSet（string?sql）

????????{
????????????DataSet?ds?=?new?DataSet（）;
????????????using?（SqlConnection?sqlcon?=?new?SqlConnection（“Data?Source=.;Initial?Catalog=MobileManager;Integrated?Security=True“））
????????????{
????????????????SqlDataAdapter?sqlda?=?new?SqlDataAdapter（sql?sqlcon）;
????????????????sqlda.Fill（ds?“info“）;
????????????}

????????????if?（ds.Tables.Count?????????????{
????????????????return?null;
????????????}

????????????return?ds;
????????}
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-05-17?10:17??手機查詢系統\
?????目錄???????????0??2012-05-17?10:17??手機查詢系統\MobileInfoWindows\
?????目錄???????????0??2012-05-17?10:17??手機查詢系統\MobileInfoWindows\MobileInfoWindows\
?????文件?????????941??2011-03-17?18:59??手機查詢系統\MobileInfoWindows\MobileInfoWindows.sln
?????文件???????18944??2004-01-01?12:16??手機查詢系統\MobileInfoWindows\MobileInfoWindows.suo
?????目錄???????????0??2012-05-17?10:17??手機查詢系統\MobileInfoWindows\MobileInfoWindows\bin\
?????目錄???????????0??2012-05-17?10:17??手機查詢系統\MobileInfoWindows\MobileInfoWindows\bin\Debug\
?????文件???????14848??2004-01-01?12:15??手機查詢系統\MobileInfoWindows\MobileInfoWindows\bin\Debug\MobileInfoWindows.exe
?????文件???????40448??2004-01-01?12:15??手機查詢系統\MobileInfoWindows\MobileInfoWindows\bin\Debug\MobileInfoWindows.pdb
?????文件???????14328??2004-01-01?12:08??手機查詢系統\MobileInfoWindows\MobileInfoWindows\bin\Debug\MobileInfoWindows.vshost.exe
?????文件?????????490??2007-07-21?01:33??手機查詢系統\MobileInfoWindows\MobileInfoWindows\bin\Debug\MobileInfoWindows.vshost.exe.manifest
?????文件?????????739??2011-03-17?19:20??手機查詢系統\MobileInfoWindows\MobileInfoWindows\DBhelper.cs
?????文件????????3729??2004-01-01?12:15??手機查詢系統\MobileInfoWindows\MobileInfoWindows\MobileInfoFrom.cs
?????文件???????11951??2004-01-01?12:13??手機查詢系統\MobileInfoWindows\MobileInfoWindows\MobileInfoFrom.Designer.cs
?????文件????????7284??2004-01-01?12:13??手機查詢系統\MobileInfoWindows\MobileInfoWindows\MobileInfoFrom.resx
?????文件????????3829??2011-03-17?19:21??手機查詢系統\MobileInfoWindows\MobileInfoWindows\MobileInfoWindows.csproj
?????目錄???????????0??2012-05-17?10:17??手機查詢系統\MobileInfoWindows\MobileInfoWindows\obj\
?????目錄???????????0??2012-05-17?10:17??手機查詢系統\MobileInfoWindows\MobileInfoWindows\obj\Debug\
?????文件????????1894??2004-01-01?12:13??手機查詢系統\MobileInfoWindows\MobileInfoWindows\obj\Debug\MobileInfoWindows.csproj.FileListAbsolute.txt
?????文件?????????856??2004-01-01?12:13??手機查詢系統\MobileInfoWindows\MobileInfoWindows\obj\Debug\MobileInfoWindows.csproj.GenerateResource.Cache
?????文件???????14848??2004-01-01?12:15??手機查詢系統\MobileInfoWindows\MobileInfoWindows\obj\Debug\MobileInfoWindows.exe
?????文件?????????180??2011-03-17?19:57??手機查詢系統\MobileInfoWindows\MobileInfoWindows\obj\Debug\MobileInfoWindows.MobileInfoFrom.resources
?????文件???????40448??2004-01-01?12:15??手機查詢系統\MobileInfoWindows\MobileInfoWindows\obj\Debug\MobileInfoWindows.pdb
?????文件?????????180??2011-03-17?19:21??手機查詢系統\MobileInfoWindows\MobileInfoWindows\obj\Debug\MobileInfoWindows.Properties.Resources.resources
?????目錄???????????0??2011-03-17?19:03??手機查詢系統\MobileInfoWindows\MobileInfoWindows\obj\Debug\Refactor\
?????目錄???????????0??2011-03-17?18:59??手機查詢系統\MobileInfoWindows\MobileInfoWindows\obj\Debug\TempPE\
?????文件?????????507??2011-03-17?19:06??手機查詢系統\MobileInfoWindows\MobileInfoWindows\Program.cs
?????目錄???????????0??2012-05-17?10:17??手機查詢系統\MobileInfoWindows\MobileInfoWindows\Properties\
?????文件????????1382??2011-03-17?18:59??手機查詢系統\MobileInfoWindows\MobileInfoWindows\Properties\AssemblyInfo.cs
?????文件????????2884??2011-03-17?18:59??手機查詢系統\MobileInfoWindows\MobileInfoWindows\Properties\Resources.Designer.cs
?????文件????????5612??2011-03-17?18:59??手機查詢系統\MobileInfoWindows\MobileInfoWindows\Properties\Resources.resx
............此處省略6個文件信息