读写配置文件app.config的问题
MINJI 2006-11-02 02:16:43 我的winform程序,配置文件名App.config,内容:
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<appSettings>
<add key="COM" value="1" />
<add key="BaudRate" value="9600" />
<add key="Parity" value="Event" />
<add key="DataBit" value="8" />
<add key="DataBit" value="1" />
</appSettings>
</configuration>
没有问题吧?可是运行程序
using System.Configuration;
string strCOM = System.Configuration.ConfigurationSettings.AppSettings["COM"].ToString();
总是报告“未处理的System.Configuration.ConfigurationException异常,无法识别的元素”,什么道理?谢谢!