How can I Sort XML containers in C# and retain my root tags

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I am a C# Novice and have a problem which I hope someone can help me with?

I have a very small code snippet to Sort a large XML file.

C#

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

public class XMLsort
{
  public static void Sort(string netMyFile, string netOutFile)
  {
    XElement root = XElement.Load(netMyFile);
    var orderedtabs = root.Elements("aidocument")
        .OrderBy(xtab => (string)xtab.Element("aidocumentheader").Element("accountno"))
        .ToArray();
    root.RemoveAll();
    foreach (XElement tab in orderedtabs)
        root.Add(tab);
    root.Save(netOutFile);
  }
}

This works very well however it is removing some root tags and I would like to know how to retain them in the sorted output?

Original XML is:

XML

<?xml version="1.0" encoding="windows-1252" ?>
<aitransmission xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance xsi:noNamespaceSchemaLocation="C:\Myschema\mysampleschema.xml">
<transmissionid>20120730DOCS</transmissionid>
<transmissiontime>23:02:19</transmissiontime>
<transmissiondate>2012-27-07</transmissiondate>
<transmissionsource>fromprd</transmissionsource>
<transmissioncount>71</transmissioncount>
    <aidocument documenttype="adv">
     [data]
    </aidocument>
    <aidocument documenttype="adv">
     [data]
    </aidocument>
    <aidocument documenttype="adv">
     [data]
    </aidocument>
</aitransmission>

Returned XML is:

XML

<?xml version="1.0" encoding="utf-8"?>
<aitransmission>
    <aidocument documenttype="adv">
     [sorted data]
    </aidocument>
    <aidocument documenttype="adv">
     [sorted data]
    </aidocument>
    <aidocument documenttype="adv">
     [sorted data]
    </aidocument>

So the 'transmission*' tags are being stripped.

Can anybody suggest how I can amend my code to deal with this scenario please?

Thanks

Andy

code blocks corrected

Posted 1-Oct-14 0:06am

andrew payne

Updated 1-Oct-14 1:20am

Nelek

v3

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Comments

Sinisa Hajnal 1-Oct-14 7:03am

Don't call remove all, remove just what is sorting?

1 solution

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Richard Deeming · Accepted Answer · 2014-10-01T02:27:00

Try something like this:

C#

public static void Sort(string netMyFile, string netOutFile)
{
    var document = XDocument.Load(netMyFile);

    var orderedTabs = document.Root.Elements("aidocument")
        .OrderBy(xtab => (string)xtab.Element("aidocumentheader").Element("accountno"))
        .ToList();

    orderedTabs.ForEach(xtab => xtab.Remove());
    document.Root.Add(orderedTabs);
    document.Save(netOutFile);
}