Delete XML Node using C#

Read the xml file.

This function is use for delete xml node dynamically.

/// <summary>
///
/// </summary>
/// <param name="path">xml file path</param>
/// <param name="tagname">root tagname</param>
/// <param name="searchconditionAttributename">Search Attribute Name</param>
/// <param name="searchconditionAttributevalue">Search Attribute Value</param>

private static void DeleteXmlNode(string path, string tagname, string searchconditionAttributename, string searchconditionAttributevalue)
{
XmlDocument doc = new XmlDocument();
doc.Load(path);
XmlNodeList nodes = doc.GetElementsByTagName(tagname);\
//XmlNodeList nodes = doc.GetElementsByTagName("user");

foreach (XmlNode node in nodes)
{
foreach (XmlAttribute attribute in node.Attributes)
{
if ((attribute.Name == searchconditionAttributename) && (attribute.Value == searchconditionAttributevalue))
//if ((attribute.Name == "name") && (attribute.Value == "aaa"))
{
//delete.
node.RemoveAll();
break;
}
}
}
//save xml file.
doc.Save(path);
}

This function is use for edit node in xml.

/// <summary>
///
/// </summary>
/// <param name="path">xml file path</param>
/// <param name="tagname">root tagname</param>
/// <param name="searchconditionAttributename">Search Attribute Name</param>
/// <param name="searchconditionAttributevalue">Search Attribute Value</param>
/// <param name="editAttributename">Edit Attribute Name</param>
/// <param name="editAttributevalue">Edit Attribute Value</param>

private static void EditXmlNode(string path, string tagname, string searchconditionAttributename, string searchconditionAttributevalue, string editAttributename, string editAttributevalue)
{
XmlDocument doc = new XmlDocument();
doc.Load(path);