FileNotFoundException:无法加载文件或程序集“System.Configuration.ConfigurationManager，

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问题描述

限时送ChatGPT账号..

我正在尝试使用 ado 从 core 3.1 连接到 oracle 数据库，这是我的代码

I am trying to connect to oracle database from core 3.1 using ado here's my code

private OracleConnection GetOracleConnection()
{
            string conString = "Data Source=Q550.adr.XXXX;Persist Security,Info=True;User ID=XXXX;Password=CCC39";
            OracleConnection con = new OracleConnection(conString);
            return con;
}

但是当这个函数在第 2 行执行以下异常时

but when this function executes following exception occured at line number 2

System.TypeInitializationException: 'OracleInternal.Common.ProviderConfig' 的类型初始值设定项引发异常

FileNotFoundException:无法加载文件或程序集System.Configuration.ConfigurationManager，版本=4.0.2.0，文化=中性，PublicKeyToken=cc7b13ffcd2ddd51'.该系统找不到指定的文件.**

FileNotFoundException: Could not load file or assembly 'System.Configuration.ConfigurationManager, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51'. The system cannot find the file specified. **

谁能告诉我发生了什么??

Can anyone tell me what's happening ??

推荐答案

您可以从 Nuget 安装 System.Configuration.ConfigurationManager

You can Install System.Configuration.ConfigurationManager from Nuget

Install-Package System.Configuration.ConfigurationManager

这个问题是一个已知问题，你可以在这里看到，推荐的解决方案是 nuget 包

This problem is a known issue as you can see here and the recommended solution is nuget package

https://github/pusher/pusher-websocket-dotnet/问题/34

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