c# database connection control operation of the operation datareader sample sample

dataReader示例
..............\DataReaderDemo1
..............\...............\DataReaderDemo1
..............\...............\...............\bin
..............\...............\...............\...\Debug
..............\...............\...............\...\.....\DataReaderDemo1.exe
..............\...............\...............\...\.....\DataReaderDemo1.pdb
..............\...............\...............\...\.....\DataReaderDemo1.vshost.exe
..............\...............\...............\DataReaderDemo1.csproj
..............\...............\...............\obj
..............\...............\...............\...\DataReaderDemo1.csproj.FileList.txt
..............\...............\...............\...\DataReaderDemo1.csproj.FileListAbsolute.txt
..............\...............\...............\...\Debug
..............\...............\...............\...\.....\DataReaderDemo1.exe
..............\...............\...............\...\.....\DataReaderDemo1.pdb
..............\...............\...............\...\.....\TempPE
..............\...............\...............\Program.cs
..............\...............\...............\Properties
..............\...............\...............\..........\AssemblyInfo.cs
..............\...............\DataReaderDemo1.sln
..............\DataReaderDemo2
..............\...............\DataReaderDemo2
..............\...............\...............\bin
..............\...............\...............\...\Debug
..............\...............\...............\...\.....\DataReaderDemo2.exe
..............\...............\...............\...\.....\DataReaderDemo2.pdb
..............\...............\...............\...\.....\DataReaderDemo2.vshost.exe
..............\...............\...............\DataReaderDemo2.csproj
..............\...............\...............\obj
..............\...............\...............\...\DataReaderDemo2.csproj.FileList.txt
..............\...............\...............\...\DataReaderDemo2.csproj.FileListAbsolute.txt
..............\...............\...............\...\Debug
..............\...............\...............\...\.....\DataReaderDemo2.exe
..............\...............\...............\...\.....\DataReaderDemo2.pdb
..............\...............\...............\...\.....\TempPE
..............\...............\...............\Program.cs
..............\...............\...............\Properties
..............\...............\...............\..........\AssemblyInfo.cs
..............\...............\DataReaderDemo2.sln
..............\事务处理
..............\........\Access数据库
..............\........\............\TransactionApp
..............\........\............\..............\TransactionApp
..............\........\............\..............\..............\bin
..............\........\............\..............\..............\...\Debug
..............\........\............\..............\..............\...\.....\TransactionApp.exe
..............\........\............\..............\..............\...\.....\TransactionApp.pdb
..............\........\............\..............\..............\...\.....\TransactionApp.vshost.exe
..............\........\............\..............\..............\...\.....\TransactionApp.vshost.exe.manifest
..............\........\............\..............\..............\Form1.cs
..............\........\............\..............\..............\Form1.Designer.cs
..............\........\............\..............\..............\Form1.resx
..............\........\............\..............\..............\obj
..............\........\............\..............\..............\...\Debug
..............\........\............\..............\..............\...\.....\Refactor
..............\........\............\..............\..............\...\.....\TempPE
..............\........\............\..............\..............\...\.....\......\Properties.Resources.Designer.cs.dll
..............\........\............\..............\..............\...\.....\TransactionApp.csproj.FileListAbsolute.txt
..............\........\............\..............\..........

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