http://www.able-consulting.com/dotnet/adonet/Data_Providers.htm#OracleNETDataProvider.NET Framework Data Provider for Oracle (System.Data.OracleClient)
The .NET Framework Data Provider for Oracle is an add-on component to the .NET Framework that provides access to an Oracle database using the Oracle Call Interface (OCI) as provided by Oracle Client software. 是否安装了component
The .NET Framework Data Provider for Oracle is an add-on component to the .NET Framework that provides access to an Oracle database using the Oracle Call Interface (OCI) as provided by Oracle Client software. 是否安装了component
1 oracle.net,从Microsoft 网站上下载
2 用传统的ado