Xml Document reads the entire XML content into memory and then lets you navigate back and forward in it as you please, or even query the document using the XPath technology.
The Xml Reader is a faster and less memory-consuming alternative.
In this chapter, we will focus on the Xml Reader class, and then move onto the Xml Document class in the next chapter.
Let's try a little example, where we read an XML document containing currency rates.
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There are mainly two methods for reading XML with C#: The Xml Document class and the Xml Reader class.Microsoft is conducting an online survey to understand your opinion of the Msdn Web site.If you choose to participate, the online survey will be presented to you when you leave the Msdn Web site. This New York City based matchmaking service is run by fourth-generation matchmaker Maria Avgitidis.With the choice of paid client services or a free membership, each love seeker is asked to fill out a form which includes relationship status, age, if you want children and religion, among others.s3New York’s Singles Social Sports Leagues is exactly what it sounds like: They run recreational social leagues for singles.You can see the XML here ( and here comes some code and then an explanation of it: We start off by creating the Xml Reader instance, using the static Create() method.Xml Reader Settings settings = new Xml Reader Settings(); settings. Prohibit Dtd = false; // Must set this to read DTDs using (Xml Reader r = Xml Reader. Read Element Content As String ("firstname", ""); string last Name = r. Read Element Content As Decimal ("creditlimit", ""); Console. Write Line (reader ["status"]); // archived Console. Move To Attribute ("status"); string status = Read Content As String(); reader. Load ("customers.xml"); Xml Namespace Manager xnm = new Xml Namespace Manager (doc. Create Navigator(); foreach (XPath Navigator a in nav. Add(null, "enumerations.xsd"); using (var xml Reader = Xml Reader. Xml/System/Xml/Schema/Constraint Struct.cs,091791a9542f1952 What it tells us is it can be overcome using an App Context switch, so just add this code before any other and it will work: More on this switch is available here: Mitigation: XML Schema Validation - note the sentence: "The impact of this change should be minimal" :-) PS: I believe you can also change these switches using the proper .config file. While this is fixed, you can check the source here: Another question targeting another framework version. Is same code run in my case just with another default value for this switch or is the old code executed?NOTE that the file descriptor will not be closed when the reader is closed or reset.Setup an xmltext Reader to parse an XML from a file descriptor.