读写xml文件的2个小函数(参考别人的,自己稍作整理)
#region 读写xml文件的2个小函数,2005 4 2 by hyc
public void SetXmlFileValue(string xmlPath,string AppKey,string AppValue)//写xmlPath是文件路径+文件名,AppKey是 Key Name,AppValue是Value
{
XmlDocument xDoc = new XmlDocument();
xDoc.Load(xmlPath);
XmlNode xNode;
XmlElement xElem1;
XmlElement xElem2;
xNode = xDoc.SelectSingleNode('//appSettings');
xElem1 = (XmlElement)xNode.SelectSingleNode('//add[@key='' + AppKey + '']');
if ( xElem1 != null )
{
xElem1.SetAttribute('value',AppValue);
}
else
{
xElem2 = xDoc.CreateElement('add');
xElem2.SetAttribute('key',AppKey);
xElem2.SetAttribute('value',AppValue);
xNode.AppendChild(xElem2);
}
xDoc.Save(xmlPath);
}
public void GetXmlFileValue(string xmlPath,string AppKey,ref string AppValue)//读xmlPath是文件路径+文件名,AppKey是 Key Name,AppValue是Value
{
XmlDocument xDoc = new XmlDocument();
xDoc.Load(xmlPath);
XmlNode xNode;
XmlElement xElem1;
xNode = xDoc.SelectSingleNode('//appSettings');
xElem1 = (XmlElement)xNode.SelectSingleNode('//add[@key='' + AppKey + '']');
if ( xElem1 != null )
{
AppValue=xElem1.GetAttribute ('value');
}
else
{
// MessageBox.Show ('There is not any information!');
}
}
#endregion