Edit specific Element in XDocument

Question

I recently started learning C# and I ran into a problem using XML.Linq to store data. I hope the question is understandable as I am not familiar with all the co

Answer 1

With using System.Xml.Linq; it becomes

 var doc = XElement.Load(fileName);
 var saveGame = doc
      .Element("savegames")
      .Elements("savegame")
      .Where(e => e.Element("IdNumber").Value == "2")
      .Single();

 saveGame.Element("balance").Value = "50";

 doc.Save(fileName);