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Editorial Team
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Asked: 2026-06-04T16:24:10+00:00

I am trying to return the the attribute values from this XML, which is

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I am trying to return the the attribute values from this XML, which is a collection of XmlNodes called from a Sharepoint Webmethod.

XML Data

 <Lists xmlns="http://schemas.microsoft.com/sharepoint/soap/">

    <List DocTemplateUrl="" DefaultViewUrl="/Lists/Announcements/AllItems.aspx" MobileDefaultViewUrl="" ID="{E6172717-EB95-4845-B8CB-8161832565C6}" Title="Announcements" Description="Use the Announcements list to post messages on the home page of your site." ImageUrl="/_layouts/images/itann.gif" Name="{E6172717-EB95-4845-B8CB-8161832565C6}" BaseType="0" FeatureId="00bfea71-d1ce-42de-9c63-a44004ce0104" />


    <List DocTemplateUrl="" DefaultViewUrl="/Lists/Calendar/calendar.aspx" MobileDefaultViewUrl="" ID="{C0735477-BE48-4DDF-9D93-3E1F8E993CEC}" Title="Calendar" Description="Use the Calendar list to keep informed of upcoming meetings, deadlines, and other important events." ImageUrl="/_layouts/images/itevent.gif" Name="{C0735477-BE48-4DDF-9D93-3E1F8E993CEC}" BaseType="0" FeatureId="00bfea71-ec85-4903-972d-ebe475780106" />

///... Several more like this
    </Lists>

I have been following a few different guides, just been going through like this one on DiC, and I’ve managed to get the examples to work.

 public List<Dictionary<string, XmlAttribute>> GetListData(XmlNode collection)
    {            
        #region Test
    string nodeInput = Convert.ToString(collection.OuterXml);

    TextReader sr = new StringReader(nodeInput);

                 //from <List> node, decendant of <Lists>
    var lists = (from list in XElement.Load(sr).Descendants("List")
                 //where the baseType element value equals 0
                 where int.Parse(list.Element("BaseType").Value) == 0
                 //Output the titles values to a list
                 select list.Element("Title").Value).ToList();
     }

    #endregion

I’ve been trying to adapt a few of the examples to my data to get more of an idea how it works, but this query has not returned any results unlike I expected. I’ve written besides each line in a comment what I thought the command was doing, could someone illuminate my mistake?

Solution

Very easy to find once I knew namespace was the issue.

http://msdn.microsoft.com/en-us/library/bb669152.aspx
C# unlike VB requires the namespace even when the nodes aren’t prefixed by it.

So I needed an XNamespace

    XNamespace nameSpace = "http://schemas.microsoft.com/sharepoint/soap/";
    XElement node = XElement.Parse(nodeInput);

    var lists = from list in node.Descendants(nameSpace + "List")
                select list;
    foreach (var list in lists)
    {
        var doc = list.Document;
    }
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1 Answer

  1. Editorial Team

    Solution

    Very easy to find once I knew namespace was the issue.

    http://msdn.microsoft.com/en-us/library/bb669152.aspx
    C# unlike VB requires the namespace even when the nodes aren’t prefixed by it.

    So I needed an XNamespace

        XNamespace nameSpace = "http://schemas.microsoft.com/sharepoint/soap/";
    XElement node = XElement.Parse(nodeInput);

    var lists = from list in node.Descendants(nameSpace + "List")
                select list;
    foreach (var list in lists)
    {
        var doc = list.Document;
    }
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