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This article introduces the relevant knowledge of "the method of adding, deleting, changing and checking the contents of XML files in C#". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

What is XML?

XML is an Extensible markup language (EXtensible Markup Language).

XML is a markup language much like HTML.

XML is designed to transmit data, not to display it.

The XML tag is not predefined. You need to define your own label.

XML is designed to be self-descriptive.

XML is the recommended standard of W3C.

Advantages and disadvantages of XML advantages and disadvantages of XML

Rigorous grammar, uniform format, in line with the standard.

It is easy to interact with other systems remotely, and the data sharing is more convenient.

Shortcomings of XML

The expansibility, flexibility and readability are not good.

The XML file is huge, the file format is complex, and the transmission takes up the bandwidth.

Server-side and client-side parsing XML takes more resources and time.

Simple example of XML

Online xml verification tool

Time chaser XML Learning course 5 predefined entity references escape character symbol names & & and symbols greater than & apos;' ellipsis "" quotation marks in time Press XML

Strictly speaking, there are only characters in XML. "

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