[es] - Mali problem kod citanja XML u vb.net

Chojba

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Mali problem kod citanja XML u vb.net

^{25.03.2011. u 23:38 - pre 159 meseci}

Code:
<channel>
  <title>Pocetak</title>
  <link>Glavni url</link>
  <description>Opis br1</description>
  <lastBuildDate>Fri, 25 Mar 2011 22:17:57 +0000</lastBuildDate>
  <generator>http://wordpress.org/?v=2.8.4</generator>
  <language>en</language>
  <sy:updatePeriod>hourly</sy:updatePeriod>
  <sy:updateFrequency>1</sy:updateFrequency>
- <item>
    <title>Neki Naslov</title>
    <link>Neki URL</link>
    <pubDate>Mon, 14 Mar 2011 21:40:53 +0000</pubDate>
   - <content:encoded>
- <![CDATA[
neki tekst..............
  </content:encoded>
  </item>
  - <item>
    <title>Jos neki naslov</title>
    <link>Jos neki url</link>
    <pubDate>Mon, 14 Mar 2011 21:40:53 +0000</pubDate>
   - <content:encoded>
- <![CDATA[
opet neki tekst..............
  </content:encoded>
  </item>
.
.
.
itd

Recimo da ovako izgleda xml fajl koji citam. (Skratio sam maksimalno, ako neki deo strukture nije ispravan, nije problem u tome). Ovo je inace segment RSS feed-a sa jednog bloga, i ucitavam ga ovim kodom:

Code:
Dim URL As String
        URL = URLBox.Text
        Try
            Dim Request As Net.WebRequest = Net.HttpWebRequest.Create(URL)
            Dim Response As Net.WebResponse = Request.GetResponse
            Dim sReader As New IO.StreamReader(Response.GetResponseStream())

            Dim xmlDoc As New Xml.XmlDocument()
            xmlDoc.Load(sReader)
            Dim TitleNode As Xml.XmlNodeList = xmlDoc.GetElementsByTagName("item")
            For Each post As System.Xml.XmlElement In TitleNode

                ListaTitle.Items.Add(post.SelectSingleNode("title").InnerText)
                ListaDatum.Items.Add(post.SelectSingleNode("pubDate").InnerText)
                ListaLink.Items.Add(post.SelectSingleNode("link").InnerText)
                ListaDescription.Items.Add(post.SelectSingleNode("content:encoded").InnerText)
            Next
        Catch ex As Exception
            MessageBox.Show(ex.Message)
        End Try

Sve radi odlicno osim kad ucitavam "content:encoded", a kada ucitavam "content:encoded" dobijam gresku:

"Namespace Manager or XsltContext needed. This query has a prefix, variable, or user-defined function."

Prvo sam mislio da je problem u tome sto prvi deo xml-a nema <content:encoded>, medjutim shvatio sam da se kodom

Dim TitleNode As Xml.XmlNodeList = xmlDoc.GetElementsByTagName("item") eliminise prvi post.

Kao sto sam vec naglasio, prva tri taga ucitavam bez problema, a gresku za celu aplikaciju dobijam samo ako potrazujem i sadrzaj taga <content:encoded>

Gde gresim ? :S

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