Reading dynamic elements from the xml file using c#`


I want to read the xml elements dynamically (I mean without hard-coding the element name) from the xml file. I am not able to use the XmlReader.ReadToDescendant method as it expects a Local Name which in my case varies. For example in this case I need to read elements A, B, C, D & etc...

<?xml version="1.0" encoding="UTF-8"?> <test Version="2010" xmlns="http://test.org/2010/values"> <A> <Data> <Somedata></Somedata> </Data> <Rows> <Row></Row> <Row></Row> </Rows> </A> <B> <Data> <Somedata></Somedata> </Data> <Rows> <Row></Row> <Row></Row> </Rows> </B> <C> <Data> <Somedata></Somedata> </Data> <Rows> <Row></Row> <Row></Row> </Rows> </C> <D> <Data> <Somedata></Somedata> </Data> <Rows> <Row></Row> <Row></Row> </Rows> </D> </test>

Please help me.


That's pretty simple:

XDocument doc = XDocument.Load("test.xml"); string name = GetNameFromWherever(); foreach (XElement match in doc.Descendants(name)) { ... }

That's using LINQ to XML - a lovely API for XML if you're using .NET 3.5 or later... it's <em>much</em> nicer than using XmlReader.


For dynamic generation of XML content into another set of classes you could do something like this:

class GenericNode { private List<GenericNode> _Nodes = new List<GenericNode>(); private List<GenericKeyValue> _Attributes = new List<GenericKeyValue>(); public GenericNode(XElement Element) { this.Name = Element.Name; this._Nodes.AddRange(Element.Elements() .Select(e => New GenericNode(e)); this._Attributes.AddRange( Element.Attributes() .Select(a => New GenericKeyValue(a.Key, a.Value)) } public string Name { get; private set; } public IEnumerable<GenericNode> Nodes { get { return this._Nodes; } } public IEnumerable<GenericKeyValue> Attributes { get { return this._Attributes; } } } class GenericKeyValue { public GenericKeyValue(string Key, string Value) { this.Key = Key; this.Value = Value; } public string Key { get; set; } public string Value { get; set; } }

Then you simply:

XElement rootElement = XElement.Parse(StringOfXml); // or XElement rootElement = XElement.Load(FileOfXml); GenericNode rootNode = new GenericRode(rootElement);


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