初始化配置文件怎么老是操作没效果

Question

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <configSections>  </configSections>  
  <appSettings>    <add key="Language" value="Chinese"/>
  </appSettings></configuration>
     
public static void UpdateAppSettings(string strKeyNewValue)
        {
            XmlDocument doc = new XmlDocument();
            doc.Load(Application.ExecutablePath + ".config");
            XmlNode node = doc.SelectSingleNode(@"//add[@key='Language']");
                        XmlElement ele = (XmlElement)node;
            ele.SetAttribute("value", strKeyNewValue);
            doc.Save(Application.ExecutablePath + ".config");     
        }
UpdateAppSettings("English");就这样啊,为什么操作了没效果,不解,请教

Answer 1

有没朋友给力一点，帮忙解决下啊