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

namespace?WindowsFormsApplication4
{
????internal?class?Databaseref
????{
????????private?static?Truelore.Common4.Database.IDatabase?db?=?null;
????????internal?static?Truelore.Common4.Database.IDatabase?Database
????????{
????
??????????get
?????????????{
????????????if（db?==?null）

?????????????????db?=?new?Truelore.Common4.Database.AccessDatabase（“user.mdb“nullfalse）;
????????????return?db;
?????????????}
??????????}

????}
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-04-17?08:53??通訊錄\
?????目錄???????????0??2015-04-17?08:54??通訊錄\WindowsFormsApplication4\
?????文件?????????962??2015-04-13?10:12??通訊錄\WindowsFormsApplication4.sln
?????文件???????48640??2015-04-17?09:49??通訊錄\WindowsFormsApplication4.v11.suo
?????文件?????????524??2015-04-15?15:14??通訊錄\WindowsFormsApplication4\App.config
?????目錄???????????0??2015-04-16?09:32??通訊錄\WindowsFormsApplication4\bin\
?????目錄???????????0??2015-04-17?09:49??通訊錄\WindowsFormsApplication4\bin\Debug\
?????文件???????67584??2015-04-16?09:09??通訊錄\WindowsFormsApplication4\bin\Debug\Truelore.Common4.dll
?????文件??????446464??2015-04-17?08:55??通訊錄\WindowsFormsApplication4\bin\Debug\user.mdb
?????文件???????15872??2015-04-17?08:56??通訊錄\WindowsFormsApplication4\bin\Debug\WindowsFormsApplication4.exe
?????文件?????????524??2015-04-15?15:14??通訊錄\WindowsFormsApplication4\bin\Debug\WindowsFormsApplication4.exe.config
?????文件???????38400??2015-04-17?08:56??通訊錄\WindowsFormsApplication4\bin\Debug\WindowsFormsApplication4.pdb
?????文件???????22984??2015-04-17?08:55??通訊錄\WindowsFormsApplication4\bin\Debug\WindowsFormsApplication4.vshost.exe
?????文件?????????524??2015-04-15?15:14??通訊錄\WindowsFormsApplication4\bin\Debug\WindowsFormsApplication4.vshost.exe.config
?????文件?????????490??2012-06-06?02:06??通訊錄\WindowsFormsApplication4\bin\Debug\WindowsFormsApplication4.vshost.exe.manifest
?????目錄???????????0??2015-04-15?15:14??通訊錄\WindowsFormsApplication4\bin\Release\
?????文件?????????580??2015-04-16?11:16??通訊錄\WindowsFormsApplication4\Databaseref.cs
?????文件????????5183??2015-04-16?17:24??通訊錄\WindowsFormsApplication4\Form1.cs
?????文件???????11410??2015-04-16?17:24??通訊錄\WindowsFormsApplication4\Form1.Designer.cs
?????文件????????7289??2015-04-16?17:24??通訊錄\WindowsFormsApplication4\Form1.resx
?????目錄???????????0??2015-04-16?09:32??通訊錄\WindowsFormsApplication4\obj\
?????目錄???????????0??2015-04-17?08:56??通訊錄\WindowsFormsApplication4\obj\Debug\
?????文件????????1308??2015-04-15?17:23??通訊錄\WindowsFormsApplication4\obj\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????7266??2015-04-16?18:46??通訊錄\WindowsFormsApplication4\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????文件???????????0??2015-04-13?10:12??通訊錄\WindowsFormsApplication4\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
?????文件???????????0??2015-04-13?10:12??通訊錄\WindowsFormsApplication4\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
?????文件???????????0??2015-04-13?10:12??通訊錄\WindowsFormsApplication4\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
?????目錄???????????0??2015-04-16?09:32??通訊錄\WindowsFormsApplication4\obj\Debug\TempPE\
?????文件????????9216??2015-04-15?15:14??通訊錄\WindowsFormsApplication4\obj\Debug\TempPE\userDataSet.Designer.cs.dll
?????文件????????5745??2015-04-17?08:55??通訊錄\WindowsFormsApplication4\obj\Debug\WindowsFormsApplication4.csproj.FileListAbsolute.txt
?????文件?????????975??2015-04-16?17:24??通訊錄\WindowsFormsApplication4\obj\Debug\WindowsFormsApplication4.csproj.GenerateResource.Cache
............此處省略14個(gè)文件信息