using System;
using System.Xml;
namespace WindowsFormsApplication3
{
class XMLControl
{
XmlDocument xmldoc; //xml文件对象
XmlElement xmlelement; //xml元素
XmlText xmltext; //xml文本
XmlNodeList xmllist;//xml列表
string sUrl="\\DBset.xml";
public XMLControl()
{
xmldoc = new XmlDocument();
xmldoc.Load("\\DBset.xml");
}
public XMLControl(string sxmlurl) //xmlurl是XML文件的路径
没有删除的方法
{
xmldoc = new XmlDocument();
xmldoc.Load(sxmlurl);
sUrl = sxmlurl;
}
public bool AddNode(string sNodeName , string sNodeValue) //增加一个节点
{
try
{
xmlelement = xmldoc.CreateElement(sNodeName);
xmltext = xmldoc.CreateTextNode(sNodeValue);
xmlelement.AppendChild(xmltext);
xmldoc.ChildNodes.Item(1).AppendChild(xmlelement);
xmldoc.Save(sUrl);
return true;
}
catch
{
return false;
}
}
public bool UpdataNodeValue(string sNodeName,string sNodeValue)
{
try
{
xmllist = xmldoc.GetElementsByTagName(sNodeName);
xmllist[0].InnerText = sNodeName;
xmldoc.Save(sUrl);
return true;
}
catch
{
return false;
}
}
public string SelectNode(string sNodeName)
{
string sNodeValue=null;
try
{
xmllist = xmldoc.SelectNodes("//setting/" + sNodeName);
foreach(XmlNode xl in xmllist)
{
sNodeValue = xl.InnerText.ToString();
}
return sNodeValue;
}
catch
{
return null;
}
}
}
}