C # xml operations FAQ

/// <Summary>
/// Delete a web Node
/// </Summary>
/// <Param name = "info"> </param>
/// <Returns> </returns>
Public bool delwebitem (string key)
{
If (! File. exists (m_xmldbpath ))
Return false;
Try
{

Xmlnodelist lst = m_doc.selectnodes ("// root // webinfo // item ");
If (LST = NULL) return false;
Foreach (xmlnode e in lst)
{
Xmlnode item = E. selectsinglenode ("name ");
If (item. attributes ["value"]. value. tostring (). tolower (). Equals (key. tolower ()))
{
E. parentnode. removechild (E );
Break;
}
}
M_doc.save ("set. xml"); // remember this sentence, because the delete operation is an operation in the XML memory stream, and the node cannot be deleted if it is not saved in time.
Return true;
}
Catch (exception ex)
{
Return false;
}