Add XmlDocument in XmlDocument

Question

hi i have xml files and i need to append them like this:

First File:

<Tags>
    <Tag name ="1">
        //more xml tags
    </Tag>

    <Tag name = "2">
        //some more xml tags

    </Tag>

    .....

    //add second file here

</Tags>

Second File:

 <Tag name ="3">
     //more xml tags
 </Tag>

Please don't just ask us to solve the problem for you. Show us how you tried to solve the problem yourself, then show us exactly what the result was, and tell us why you feel it didn't work. See "What Have You Tried?" for an excellent article that you really need to read. — John Saunders
– John Saunders, Commented Dec 16, 2013 at 11:04

Tony · Accepted Answer · 2013-12-16 10:59:10Z

1

Use ImportNode method:

var d1 = new XmlDocument();
d1.LoadXml("<Tags><Tag name =\"1\"></Tag></Tags>");

var d2 = new XmlDocument();
d2.LoadXml("<Tags><Tag name =\"2\"></Tag></Tags>");

var newNode = d1.ImportNode(d2.SelectSingleNode("/Tags/Tag"), true);
d1.DocumentElement.AppendChild(newNode);

Console.WriteLine(d1.OuterXml);

Here is the fiddle

edited Dec 16, 2013 at 10:59

answered Dec 16, 2013 at 10:39

Tony

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2 Comments

Georgi Over a year ago

That's not adding anything.

Tony Over a year ago

@Georgi It was just a use case :) See y updated answer.

Sergey Berezovskiy · Accepted Answer · 2013-12-16 10:36:55Z

1

I suggest you to use LINQ to XML:

var firstDoc = XDocument.Load("file1.xml"); // load 1st file
var tagElement = XElement.Load("file2.xml"); // load <Tag> element from 2nd file
firstDoc.Root.Add(tagElement); // add <Tag> element to 1st file <Tags> element
firstDoc.Save("file1.xml"); // save 1st file

answered Dec 16, 2013 at 10:36

Sergey Berezovskiy

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