Question

This is an XML exercise.

Explain why you need LINQ to XML.

Answer 1

`Hey,

Note: Brother in case of any queries, just comment in box I would be very happy to assist all your queries

XML has been widely adopted as a way to format data in many contexts. For example, you can find XML on the Web, in configuration files, in Microsoft Office Word files, and in databases.

LINQ to XML is an up-to-date, redesigned approach to programming with XML. It provides the in-memory document modification capabilities of the Document Object Model (DOM), and supports LINQ query expressions. Although these query expressions are syntactically different from XPath, they provide similar functionality.

LINQ to XML is a LINQ-enabled, in-memory XML programming interface that enables you to work with XML from within the .NET Framework programming languages.

LINQ to XML is like the Document Object Model (DOM) in that it brings the XML document into memory. You can query and modify the document, and after you modify it you can save it to a file or serialize it and send it over the Internet. However, LINQ to XML differs from DOM: It provides a new object model that is lighter weight and easier to work with, and that takes advantage of language features in C#.

The most important advantage of LINQ to XML is its integration with Language-Integrated Query (LINQ). This integration enables you to write queries on the in-memory XML document to retrieve collections of elements and attributes. The query capability of LINQ to XML is comparable in functionality (although not in syntax) to XPath and XQuery. The integration of LINQ in C# provides stronger typing, compile-time checking, and improved debugger support.

Another advantage of LINQ to XML is the ability to use query results as parameters to XElement and XAttribute object constructors enables a powerful approach to creating XML trees. This approach, called functional construction, enables developers to easily transform XML trees from one shape to another.

For example, you might have a typical XML purchase order as described in Sample XML File: Typical Purchase Order (LINQ to XML). By using LINQ to XML, you could run the following query to obtain the part number attribute value for every item element in the purchase order:

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