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Saturday, March 29, 2014
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Difference between LINQ to XML and DOM Method

7:00 PMSaturday, March 29, 2014
XML Document Object Model (DOM) is the current predominant XML programming API. In XML DOM, you build an XML tree in the bottom up direction. The typical way to create an XML tree using DOM is to use Xml Document. LINQ to XML also supports the Xml Document approach for constructing an XML tree, but also supports an alternative approach, called the functional construction. The functional construction uses the XElement and XAttribute constructors to build an XML tree.

In LINQ to XML, you can directly work with XML elements and attributes. You can create XML elements without using a document object. It also loads the T: System.Xml .Linq.XElement object directly from an XML file. It also serializes the T: System". Xml. Linq. XElement object to a file or a stream. When you compare this with XML DOM, the XML document is used as a logical container for the XML tree. In XML DOM, the nodes, which also include the elements and attributes, are created in the context of an XML document. The use of XML DOM is also complex. For example, if you want to use an element across multiple documents, you must import the nodes across the documents. This kind of complexity is not included in LINQ to XML.

The use of LINQ to XML also simplifies the names and namespaces by eliminating the prerequisite to deal with namespace prefix completely. The use of XML DOM does not let you change the name of node. As a substitute, you have to create a new node and copy all the child nodes to it, which leads to losing the original child identity.
LINQ to XML supports whitespace more simply than XML DOM.
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