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

namespace?BLL
{
???public??class?DatabaseManager
????{
????????///?

????????///?備份數據庫
????????///?

????????///?備份路徑
????????///?輸出的操作信息（如：成功，失敗等）
????????///?是否成功
????????DatabaseDB?dbd?=?new?DatabaseDB（）;
????????public?string?BackupDb（string?path）
????????{
????????????string?message?=?““;
????????????try
????????????{
???????????????dbd.BackupDatabase（path）;
????????????????message?=?“備份完成！“;????????????
????????????}
????????????catch?（Exception?e）
????????????{
????????????????message?=?“備份失敗！“?+?e.Message;
???????????????
????????????}
????????????return?message;
????????}

???????
????????///?

????????///?附加數據庫
????????///?

????????public?void?AttachDB（string?dbname?string?datafile?string?logfile）
????????{
????????????if?（string.IsNullOrEmpty（dbname.Trim（））?||
????????????????string.IsNullOrEmpty（datafile.Trim（））?||
????????????????string.IsNullOrEmpty（logfile.Trim（）））
????????????????throw?new?ArgumentNullException（）;
????????????dbd.AttachDB（dbname?datafile?logfile）;
????????}

????????///?

????????///?分離數據庫
????????///?

????????public?void?DetachDB（string?dbname）
????????{
????????????if?（string.IsNullOrEmpty（dbname.Trim（）））?throw?new?ArgumentNullException（）;

????????????dbd.Detach（dbname）;
????????}
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????24088??2008-07-07?00:59??新項目\新項目\database.sql

?????文件??????32768??2008-07-11?17:44??新項目\新項目\Medicine\BLL\bin\Debug\DAL.dll

?????文件??????20480??2008-07-11?17:44??新項目\新項目\Medicine\BLL\bin\Debug\Module.dll

?????文件??????24576??2008-07-11?17:44??新項目\新項目\Medicine\BLL\bin\Debug\SqlHelper.dll

?????文件??????46592??2008-07-11?17:44??新項目\新項目\Medicine\BLL\bin\Debug\Module.pdb

?????文件??????30208??2008-07-11?17:44??新項目\新項目\Medicine\BLL\bin\Debug\SqlHelper.pdb

?????文件??????54784??2008-07-11?17:44??新項目\新項目\Medicine\BLL\bin\Debug\DAL.pdb

?????文件??????24576??2008-07-11?17:44??新項目\新項目\Medicine\BLL\bin\Debug\BLL.dll

?????文件??????46592??2008-07-11?17:44??新項目\新項目\Medicine\BLL\bin\Debug\BLL.pdb

?????文件??????24576??2008-07-10?03:25??新項目\新項目\Medicine\BLL\bin\Release\BLL.dll

?????文件??????42496??2008-07-10?03:25??新項目\新項目\Medicine\BLL\bin\Release\BLL.pdb

?????文件??????32768??2008-07-10?03:25??新項目\新項目\Medicine\BLL\bin\Release\DAL.dll

?????文件??????52736??2008-07-10?03:25??新項目\新項目\Medicine\BLL\bin\Release\DAL.pdb

?????文件??????20480??2008-07-10?03:25??新項目\新項目\Medicine\BLL\bin\Release\Module.dll

?????文件??????42496??2008-07-10?03:25??新項目\新項目\Medicine\BLL\bin\Release\Module.pdb

?????文件??????24576??2008-07-10?03:25??新項目\新項目\Medicine\BLL\bin\Release\SqlHelper.dll

?????文件??????26112??2008-07-10?03:25??新項目\新項目\Medicine\BLL\bin\Release\SqlHelper.pdb

?????文件???????2869??2008-07-07?00:53??新項目\新項目\Medicine\BLL\BLL.csproj

?????文件???????1560??2008-07-08?12:31??新項目\新項目\Medicine\BLL\DatabaseManager.cs

?????文件???????3884??2008-07-06?23:46??新項目\新項目\Medicine\BLL\InStockManager.cs

?????文件???????5667??2008-07-06?01:27??新項目\新項目\Medicine\BLL\MedicineManager.cs

?????文件????????522??2008-07-11?17:48??新項目\新項目\Medicine\BLL\obj\BLL.csproj.FileList.txt

?????文件??????16384??2008-07-06?09:25??新項目\新項目\Medicine\BLL\obj\Debug\Refactor\BLL.dll

?????文件???????9239??2008-07-11?17:44??新項目\新項目\Medicine\BLL\obj\Debug\ResolveAssemblyReference.cache

?????文件??????46592??2008-07-11?17:44??新項目\新項目\Medicine\BLL\obj\Debug\BLL.pdb

?????文件??????24576??2008-07-11?17:44??新項目\新項目\Medicine\BLL\obj\Debug\BLL.dll

?????文件??????24576??2008-07-10?03:25??新項目\新項目\Medicine\BLL\obj\Release\BLL.dll

?????文件??????42496??2008-07-10?03:25??新項目\新項目\Medicine\BLL\obj\Release\BLL.pdb

?????文件???????9462??2008-07-10?03:25??新項目\新項目\Medicine\BLL\obj\Release\ResolveAssemblyReference.cache

?????文件???????2523??2008-07-03?02:54??新項目\新項目\Medicine\BLL\OutStockManager.cs

............此處省略475個文件信息