How to read attribute value from XmlNode in C

Question

Suppose I have a XmlNode and I want to get the value of an attribute named  Name   How can I do that   XmlTextReader reader   new XmlTextReader path    XmlDocument doc   new XmlDocument    XmlNode node   doc ReadNode reader    foreach  XmlNode chldNode in node ChildNodes             Read the attribute Name        if  chldNode Name    Employee                                      if  chldNode HasChildNodes                          foreach  XmlNode item in node ChildNodes                                                         XML Document    lt Root gt       lt Employee Name   TestName  gt       lt Childs  gt   lt  Root gt

User · Answer

You can also use this   string employeeName   chldNode Attributes   ElementAt 0  Name

User · Answer

you can loop through all attributes like you do with nodes  foreach  XmlNode item in node ChildNodes            node stuff         foreach  XmlAttribute att in item Attributes                   attribute stuff

User · Answer

if all you need is the names  use xpath instead  No need to do the iteration yourself and check for null   string xml       lt root gt       lt Employee name   an     gt       lt Employee name   nobyd     gt       lt Employee  gt   lt  root gt      var doc   new XmlDocument       doc Load path   doc LoadXml xml    var names   doc SelectNodes    Employee  name

User · Answer

Use  item Attributes  Name   Value    to get the value

User · Answer

If you use chldNode as XmlElement instead of XmlNode  you can use  var attributeValue   chldNode GetAttribute  Name      The return value will just be an empty string  in case the attribute name does not exist   So your loop could look like this   XmlDocument document   new XmlDocument    var nodes   document SelectNodes    Node N0de node     foreach  XmlElement node in nodes        var attributeValue   node GetAttribute  Name        This will select all nodes  lt node gt  surrounded by  lt Node gt  lt N0de gt  lt  N0de gt  lt Node gt  tags and subsequently loop through them and read the attribute  Name

User · Answer

To expand Konamiman s solution  including all relevant null checks   this is what I ve been doing   if  node Attributes    null       var nameAttribute   node Attributes  Name       if  nameAttribute    null         return nameAttribute Value      throw new InvalidOperationException  Node  Name  not found

User · Answer

Try this   string employeeName   chldNode Attributes  Name   Value    Edit  As pointed out in the comments  this will throw an exception if the attribute doesn t exist  The safe way is   var attribute   node Attributes  Name    if  attribute    null       string employeeName   attribute Value         Process the value here

User · Answer

Yet another solution    string s            or whatever  if  chldNode Attributes Cast lt XmlAttribute gt                            Select x   gt  x Value                          Contains attributeName         s    xe Attributes attributeName  Value    It also avoids the exception when the expected attribute attributeName actually doesn t exist

[c#] How to read attribute value from XmlNode in C#?

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