conn.Open(); // your DB logic here
If you need the file for a non-development environment (e.g., a server without build tools), copy it from a developer machine's packages folder after a NuGet restore. oracle.manageddataaccess.dll download
Install-Package Oracle.ManagedDataAccess https://www.nuget.org/packages/Oracle.ManagedDataAccess/ a server without build tools)
After installation, the DLL is located in your project's packages folder or bin\Debug . For developers who need tools, ODP.NET, and the DLL together. and the DLL together.