How to add attribute to a XML node created using Import node

Question

I'm cloning an XML node from one XML to another n number of times. To identify each node i want to add an index attribute to it.

Here is the code is I use to Import node.

 XmlDocument template = new XmlDocument();
 template.Load(filelocation);
 XmlDocument Neweventlist= new XmlDocument();
 XmlNamespaceManager namespaces = new      XmlNamespaceManager(template.NameTable);

namespaces.AddNamespace("n", "http://www.hp.com/2009/software/opr/data_model");

XmlNode node = template.SelectSingleNode(".//n:event", namespaces);

Neweventlist.Load(eventlist_location);

    Neweventlist.DocumentElement.AppendChild(Neweventlist.ImportNode(template.DocumentElement, true));

Please help how i can set attribute for the new node that i'm adding.

Template document:

  <event>
 <server></server>
 </event>

output doc:

<eventlist>
<event index="0">
<server></server>
</event>
<event index="1">
<server></server>
</event>
<event index="2">
<server></server>
</event>
</eventlist>

Can you update your question with sample input XML document and expected output XML document? — codeninja.sj
– codeninja.sj, Commented Jul 30, 2015 at 10:37
@codeninja I'm able to append and iterate event node number of times i want but while appending using above code i want to set unique index attribute to each event node — RMu
– RMu, Commented Jul 30, 2015 at 10:55
the solution provided by karthik is good enough to solve your problem; if you still face any problem, let me know. — codeninja.sj
– codeninja.sj, Commented Jul 30, 2015 at 11:54

Karthik AMR · Accepted Answer · 2015-07-30 11:11:22Z

1

Before adding the node to the Document,

XmlNode node = Neweventlist.ImportNode(template.DocumentElement, true); //Get the node
XmlAttribute attribute= Neweventlist.CreateAttribute("index"); // create attribute
attribute.Value = 0; //set the appropriate value
node.Attributes.Append(attribute); // add the attribute to node

Then add the node to the element,

Neweventlist.DocumentElement.AppendChild(node);

answered Jul 30, 2015 at 11:11

Karthik AMR

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