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say there is an xml file, which not created by me, with a known schema (for example, rss).
how would you parse it with C#? would you do that manually by XDocument etc, or would you use XMLSerializer and create a correspond class? or would you use Visual Studio tools to generate classes using a dtd file (that you’ll write).
what do you think the most aesthetic, easy, not error-prone way?
In my opinion, the easiest method in terms of coding difficulty would be to generate an object model off of the schema, and use that with the XmlSerializer to go back and forth between objects and XML. There is a tool called xsd.exe that comes with Visual Studio that can generate code from xsd files.
That said, if the schema is complex or written by a dinosaur, the object model will be ugly and hard to use. If your XML is archaic or poorly written/designed, sometimes it’s easier to just manipulate it directly using XmlDocument or XDocument. Out of those two, I’d prefer the newer LINQ to XML model (XDocument), because it’s easier to search the XML, and it’s easier to insert or manipulate elements/attributes/etc.