#region 读写xml文件的2个小函数 [复制链接]

#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