public void SaveParam(ParamInfo param)
{
XmlDocument doc = GetXmlDocumentByFileName(DbParamsFile);
XmlNodeList nodeList = doc.GetElementsByTagName("Params");
if (nodeList.Count > 0)
{
XmlNode root = nodeList[0];
bool hasParam = false;
foreach (XmlNode node in root.ChildNodes)
{
ParamInfo tmp = ParamInfo.LoadByXmlNode(node);
param.ItsNode = tmp.ItsNode;
if (tmp.Key.Equals(param.Key, StringComparison.OrdinalIgnoreCase))
{
param.SetNodeValue();
hasParam = true;
break;
}
}
if (!hasParam && param.ItsNode != null)
{
param.ItsNode = param.ItsNode.Clone();
param.SetNodeValue();
root.AppendChild(param.ItsNode);
}
SaveXmlDocument(doc, DbParamsFile);
}
}
public ParamInfo Clone()
{
ParamInfo info = new ParamInfo();
info.Key = Key;
info.Value = Value;
if (ItsNode == null)
{
info.ItsNode = null;
}
else
{
info.ItsNode = ItsNode.Clone();
}
return info;
}
public static ParamInfo LoadByXmlNode(XmlNode xmlNode)
{
ParamInfo item = new ParamInfo();
foreach (XmlNode child in xmlNode.ChildNodes)
{
switch (child.Name.ToUpper())
{
case "KEY":
item.Key = child.InnerText;
break;
case "VALUE":
item.Value = child.InnerText;
break;
}
}
item.ItsNode = xmlNode;
return item;
}