<?xml version="1.0" encoding="utf-8"?>
<configuration>
<appSettings>
<add key="userID" value="001" />
<add key="userName" value="admini" />
</appSettings>
</configuration>
[此贴子已经被作者于2007-3-9 23:41:11编辑过]
//更新指定节点
public bool UpdateXmlFile(string Filed, string FiledValue, string FileName)
{            
    try
    {
        XmlDocument xd = new XmlDocument();
        xd.Load(FileName);
        XmlNode node = xd.FirstChild;                
        foreach(XmlNode de in node.ChildNodes)
        {
            if(de.Name == Filed)
            {
                de.InnerText = FiledValue;
                xd.Save(FileName);
                break;
            }
        }
        return true;
    }
    catch(Exception Ex)
    {
        MessageBox.Show(Ex.Message);
        return false;
    }
}
