问题描述
我正在开发一个发送电子邮件的.NET 3.5库中遇到问题。
我将 system.net 配置放入 app.config 中：
I'm having an issue with a .NET 3.5 library I'm developing to send emails.I put the system.net configuration into app.config:
<system.net>
<mailSettings>
<smtp from="[email protected]">
<network host="myserver.com" port="25" defaultCredentials="true" />
</smtp>
</mailSettings>
</system.net>
我没有参数实例化SmtpClient：
And I instantiate the SmtpClient without params:
SmtpClient client = new SmtpClient();
但是配置不读（我正在尝试用NUnit测试库），我得到一个 System.InvalidOperationException ，因为配置未被读取，因此主机为空。
But the configuration is not read (I'm trying to test the library with NUnit) and I get a System.InvalidOperationException, because the configuration is not read and thus the host is null.
不应该配置被自动读取
推荐答案
确保将配置块（如上所示）添加到{appName} .exe。 config或web.config - 类库的配置是从运行时的这些文件中获取的，而不是类库的app.config。
Make sure you add your configuration block (as shown above) to the {appName}.exe.config or web.config - the configuration for the class library is taken from one of those files at runtime, not from the app.config of the class library.
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