24.4. Manipulating an in Memory XML Document
So, that this point you have seen various ways in which LINQ to XML can be used to create, save, parse, and load XML data. The next aspect of LINQ to XML you need to examine is how to navigate a given document to locate and change specific items in the tree using LINQ queries and the LINQ to XML axis methods.
To do so, you will build a Windows Forms application which will display the data within a XML document saved on the hard drive. The GUI will allow the user to enter data for a new node, which will be added to the same XML document. Finally, you will provide a few ways for the user to perform searches on the document, via a handful of LINQ queries.
NOTE
Given that you have already built a number ...
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