Adding element to xml node

Question

I came so far, but how do I add an XElement in the third place instead of first place?

I have to add it to 2 big files.

protected void Button1_Click(object sender, EventArgs e)
{
    var xml = XElement.Load(Server.MapPath(map1));
    var noprovider = xml.Elements("Component").Where(d => !d.Elements("L").Any());
    var prov in noprovider)
    {
        prov.AddFirst(new XElement("L", ""));
    }
    xml.Save(Server.MapPath(map1));
}

The XML

<Reservedele>
    <Component>
        <Type>Støvsuger</Type>
        <Art>yiryidryi</Art>
        <Bemærkning> adadgadg</Bemærkning>
        <Varenummer>dfgdfg</Varenummer>
        <OprettetAf>John</OprettetAf>
        <Date>28. januar 2017</Date>
    </Component>
</Reservedele>

Tomas Jakl · Accepted Answer · 2017-02-21 15:07:21Z

4

I am not sure to understand your question. Do you mean something like that?

using System;
using System.IO;
using System.Linq;
using System.Xml.Linq;

namespace XmlTest
{
    class Program
    {
        static void Main(string[] args)
        {
            var xmlText = @"
<Reservedele>
  <Component>
    <Type>Støvsuger</Type>
    <Art>yiryidryi</Art>
    <Bemærkning> adadgadg</Bemærkning>
    <Varenummer>dfgdfg</Varenummer>
    <OprettetAf>John</OprettetAf>
    <Date>28. januar 2017</Date>
  </Component>
</Reservedele>";

            using (var sr = new StringReader(xmlText))
            {
                var xml = XElement.Load(sr);
                var noprovider = xml.Elements("Component").Where(d => !d.Elements("L").Any());

                noprovider.Elements().ElementAt(1).AddAfterSelf(new XElement("L", ""));
                //noprovider.Elements("Art").First().AddAfterSelf(new XElement("L", ""));

                Console.WriteLine(xml.ToString());
            }

            Console.WriteLine("\nPress any key ...");
            Console.ReadKey();
        }
    }
}

answered Feb 21, 2017 at 15:07

Tomas Jakl

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1 Comment

Dan Homola Over a year ago

@TheNewone if the answer is correct, please consider marking it as Accepted

Philip Nikolov · Accepted Answer · 2017-02-21 14:37:23Z

0

Check XmlNode.InsertAfter and XmlNode.InsertBefore methods. Visit https://msdn.microsoft.com/en-us/library/system.xml.xmlnode.insertbefore(v=vs.110).aspx

answered Feb 21, 2017 at 14:37

Philip Nikolov

111 bronze badge

Comments

AdrianS · Accepted Answer · 2017-02-21 14:27:32Z

-2

I would suggest you to use

        System.Xml.XmlDocument myDoc = new System.Xml.XmlDocument();

        try
        {
            myDoc.Load(XMLFullFileName);
        }
        catch (Exception e)
        {
            throw new Exception("Loading failed!", e);
        }

Then you can iterate myDoc with all its children and elements and append or insert as you wish. Have a look at XmlDocument-Class

edited Feb 21, 2017 at 14:27

answered Feb 21, 2017 at 14:24

AdrianS

113 bronze badges

1 Comment

user47589 Over a year ago

Switching from XDocument to XmlDocument is unnecessary and doesn't provide any benefits. Also, you aren't answering the question.

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