oracleManagedDataAccess连接实例资源-CSDN文库

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Oracle ManagedDataAccess (OMDA) 是Oracle公司提供的一款.NET Framework数据访问组件，它允许开发者在C#等.NET环境中轻松地与Oracle数据库进行交互。Oracle ManagedDataAccess提供了与ADO.NET兼容的接口，使得开发者可以利用已有的ADO.NET知识来操作Oracle数据库，而无需深入学习Oracle的原生API。在"Oracle C# ManagedDataAccess.dll连接的小实例"中，我们将探讨如何使用OMDA库来建立和管理与Oracle数据库的连接。你需要确保已经在项目中引用了Oracle ManagedDataAccess Client NuGet包，这样可以在项目中使用Oracle的数据访问类库。以下是一个基本的C#代码示例，演示了如何使用OMDA连接Oracle数据库： ```csharp using System; using System.Data; using Oracle.ManagedDataAccess.Client; class Program { static void Main() { string connectionString = "Data Source=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1521)))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=orcl)));User Id=myUsername;Password=myPassword;"; using (OracleConnection connection = new OracleConnection(connectionString)) { try { connection.Open(); Console.WriteLine("连接成功！"); // 在这里执行SQL查询或其他数据库操作 } catch (OracleException ex) { Console.WriteLine($"连接失败：{ex.Message}"); } finally { if (connection.State == ConnectionState.Open) connection.Close(); } } Console.ReadLine(); } } ``` 在上述代码中，我们创建了一个`OracleConnection`对象，并通过`connectionString`参数设置数据库连接信息。`Data Source`定义了Oracle数据库的连接细节，包括服务器地址、端口和服务名。`User Id`和`Password`分别用于指定数据库的用户名和密码。`using`语句确保了连接在使用完毕后会被正确关闭，即使出现异常也能执行清理操作。为了执行SQL查询，你可以使用`OracleCommand`对象，例如： ```csharp OracleCommand command = new OracleCommand("SELECT * FROM myTable", connection); OracleDataReader reader = command.ExecuteReader(); while (reader.Read()) { // 处理查询结果 } reader.Close(); ``` 此外，OMDA还支持存储过程的调用，事务处理，以及各种数据类型（如Blob、Clob）的操作。通过`OracleCommand.CommandType`属性设置为` CommandType.StoredProcedure`，可以执行存储过程。对于大量数据的读写，可以利用`OracleBulkCopy`类实现高效的数据导入导出。在WindowsFormsApplication1项目中，你可以创建一个简单的用户界面，允许用户输入连接参数，并显示查询结果。这通常涉及到按钮事件处理程序，用于执行连接和查询操作，以及将结果显示在诸如DataGridView之类的控件中。 Oracle ManagedDataAccess简化了C#开发人员在.NET环境中与Oracle数据库的交互。通过使用OMDA，你可以创建高效、可靠的数据库应用程序，同时保持代码的简洁性和可维护性。在实际开发过程中，一定要注意错误处理和资源管理，以确保应用程序的稳定性和性能。

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WindowsFormsApplication1.zip （33个子文件）

WindowsFormsApplication1

WindowsFormsApplication1.sln 1KB

WindowsFormsApplication1.v12.suo 42KB

WindowsFormsApplication1

Form1.Designer.cs 2KB

Program.cs 536B

obj

Debug

TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs 0B

WindowsFormsApplication1.csprojResolveAssemblyReference.cache 44KB

WindowsFormsApplication1.Properties.Resources.resources 180B

DesignTimeResolveAssemblyReferencesInput.cache 7KB

WindowsFormsApplication1.csproj.GenerateResource.Cache 977B

WindowsFormsApplication1.Form1.resources 180B

WindowsFormsApplication1.csproj.FileListAbsolute.txt 3KB

TempPE

WindowsFormsApplication1.exe 10KB

TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs 0B

TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs 0B

DesignTimeResolveAssemblyReferences.cache 1KB

WindowsFormsApplication1.pdb 30KB

bin

Debug

WindowsFormsApplication1.vshost.exe.config 506B

WindowsFormsApplication1.vshost.exe.manifest 490B

WindowsFormsApplication1.vshost.exe 24KB

WindowsFormsApplication1.exe 10KB

Oracle.ManagedDataAccess.dll 3.83MB

Oracle.ManagedDataAccess.EntityFramework.dll 466KB

WindowsFormsApplication1.exe.config 506B

WindowsFormsApplication1.pdb 30KB

Form1.cs 2KB

WindowsFormsApplication1.csproj 4KB

Form1.resx 6KB

App.config 506B

Properties

AssemblyInfo.cs 1KB

Settings.Designer.cs 1KB

Resources.resx 5KB

Settings.settings 249B

Resources.Designer.cs 3KB

c:\users\administrator\documents\visual studio 2013\Projects\WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.exe.config C:\Users\Administrator\documents\visual studio 2013\Projects\WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.exe C:\Users\Administrator\documents\visual studio 2013\Projects\WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.pdb C:\Users\Administrator\documents\visual studio 2013\Projects\WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\Oracle.ManagedDataAccess.dll C:\Users\Administrator\documents\visual studio 2013\Projects\WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.Form1.resources C:\Users\Administrator\documents\visual studio 2013\Projects\WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.Properties.Resources.resources C:\Users\Administrator\documents\visual studio 2013\Projects\WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.csproj.GenerateResource.Cache C:\Users\Administrator\documents\visual studio 2013\Projects\WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.exe C:\Users\Administrator\documents\visual studio 2013\Projects\WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.pdb C:\Users\Administrator\documents\visual studio 2013\Projects\WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.csprojResolveAssemblyReference.cache C:\Users\Administrator\documents\visual studio 2013\Projects\WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\Oracle.ManagedDataAccess.EntityFramework.dll E:\BaiduYunDownload\WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.exe.config E:\BaiduYunDownload\WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.exe E:\BaiduYunDownload\WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.pdb E:\BaiduYunDownload\WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.exe E:\BaiduYunDownload\WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.pdb E:\BaiduYunDownload\WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.csprojResolveAssemblyReference.cache E:\BaiduYunDownload\WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.Form1.resources E:\BaiduYunDownload\WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.Properties.Resources.resources E:\BaiduYunDownload\WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.csproj.GenerateResource.Cache

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