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

namespace?Test4
{
????class?DBHelper
????{
????????public?static?string?connStr?=?@“Data?Source=QING\QING;Initial?Catalog=SuperMark;Persist?Security?Info=True;User?ID=QINGG;Password=QINGG“;
????????public?static?SqlConnection?conn?=?new?SqlConnection（connStr）;

????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件??????216057??2014-03-23?10:11??1.jpg
?????文件??????225587??2014-03-23?10:12??2.jpg
?????文件??????221714??2014-03-23?10:12??3.jpg
?????文件??????224550??2014-03-23?10:13??4.jpg
?????文件??????206545??2014-03-23?10:13??5.jpg
?????文件?????8388608??2018-05-14?16:10??SuperMark.mdf
?????文件?????1048576??2018-05-14?16:10??SuperMark_log.ldf
?????文件?????????189??2018-05-14?08:01??Test4\App.config
?????文件?????????435??2018-05-14?08:38??Test4\DBHelper.cs
?????文件????????6443??2018-05-14?17:01??Test4\FrmMain.cs
?????文件???????15486??2018-05-14?13:12??Test4\FrmMain.Designer.cs
?????文件????????6946??2018-05-14?13:12??Test4\FrmMain.resx
?????文件?????????519??2018-05-14?08:57??Test4\Program.cs
?????文件????????3957??2018-05-14?08:57??Test4\Test4.csproj
?????文件???????17408??2018-05-14?16:01??Test4\bin\Debug\Test4.exe
?????文件?????????189??2018-05-14?08:01??Test4\bin\Debug\Test4.exe.config
?????文件???????28160??2018-05-14?16:01??Test4\bin\Debug\Test4.pdb
?????文件???????22696??2018-05-14?16:01??Test4\bin\Debug\Test4.vshost.exe
?????文件?????????189??2018-05-14?08:01??Test4\bin\Debug\Test4.vshost.exe.config
?????文件?????????868??2018-05-14?08:01??Test4\obj\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????7172??2018-05-14?08:36??Test4\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????文件???????????0??2018-05-14?08:01??Test4\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
?????文件???????????0??2018-05-14?08:01??Test4\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
?????文件???????????0??2018-05-14?08:01??Test4\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
?????文件?????????692??2018-05-14?16:01??Test4\obj\Debug\Test4.csproj.FileListAbsolute.txt
?????文件????????1014??2018-05-14?15:52??Test4\obj\Debug\Test4.csproj.GenerateResource.Cache
?????文件????????2384??2018-05-14?09:46??Test4\obj\Debug\Test4.csprojResolveAssemblyReference.cache
?????文件???????17408??2018-05-14?16:01??Test4\obj\Debug\Test4.exe
?????文件?????????180??2018-05-14?15:52??Test4\obj\Debug\Test4.FrmMain.resources
?????文件???????28160??2018-05-14?16:01??Test4\obj\Debug\Test4.pdb
?????文件?????????180??2018-05-14?08:57??Test4\obj\Debug\Test4.Properties.Resources.resources
............此處省略5個文件信息