Problem Deserialize of XML attributes or similar with vb.net

Question

I have the following XML, but I have some problems deserializing it.

Part of XML:

<message:AIXMBasicMessage gml:id="uniqueId">
    <message:hasMember xlink:type="simple">
        <aixm:VerticalStructure gml:id="uuid.xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx">
          .....
        </aixm:VerticalStructure>
    </message:hasMember>
</message:AIXMBasicMessage>

I have these classes in VB.net

<XmlRoot(ElementName:="hasMember")>
Public Class HasMember
    <XmlElement(ElementName:="VerticalStructure")>
    Public Property VerticalStructure As VerticalStructure
    <XmlAttribute(AttributeName:="type")>
    Public Property Type As String
    <XmlText>
    Public Property Text As String
End Class

<XmlRoot(ElementName:="AIXMBasicMessage")>
Public Class AIXMBasicMessage
    <XmlElement(ElementName:="hasMember")>
    Public Property HasMember As List(Of HasMember)
End Class

<XmlRoot(ElementName:="Root")>
Public Class Root
    <XmlElement(ElementName:="AIXMBasicMessage")>
    Public Property AIXMBasicMessage As AIXMBasicMessage
    <XmlAttribute(AttributeName:="message")>
    Public Property Message As String
    <XmlAttribute(AttributeName:="xlink")>
    Public Property Xlink As String
    <XmlAttribute(AttributeName:="aixm")>
    Public Property Aixm As String
    <XmlAttribute(AttributeName:="gml")>
    Public Property Gml As String
    <XmlText>
    Public Property Text As String
End Class

the problem in message: / aixm: / xlink: / gml: because, if I delete it from the XML file it works fine. But how do I change the code, so I don't need to change the XML file to get it to be read?

This post will point you in the right direction. You need to give it the namespaces when you deserialize: stackoverflow.com/questions/27365029/… — Fawlty
– Fawlty, Commented Jun 20, 2022 at 13:37
@Fawlty Thanks. I'm new to the XML deserialization and I have tried different approaches, but I cant get it to work. Also the documentation hasn't been usefull. Could I get a more precise answer? Thanks :) — jpi76
– jpi76, Commented Jun 21, 2022 at 8:20
Please take the time to read: learn.microsoft.com/en-us/dotnet/api/… It's important that your classes you are deserializing to match the namespaces in the XML and that you initiate the the deserializer with the correct root namespace. — Fawlty
– Fawlty, Commented Jun 21, 2022 at 8:35
Please provide enough code so others can better understand or reproduce the problem. — Community
– Community Bot, Commented Jun 21, 2022 at 10:00

jpi76 · Accepted Answer · 2022-06-21 10:39:32Z

I got it working.

Here is the code for the classes:

<XmlRoot(ElementName:="VerticalStructure", [Namespace]:="http://www.aixm.aero/schema/5.1")>
Public Class VerticalStructure
    <XmlElement(ElementName:="identifier", [Namespace]:="http://www.opengis.net/gml/3.2")>
    Public Property Identifier As Identifier
    <XmlElement(ElementName:="timeSlice", [Namespace]:="http://www.aixm.aero/schema/5.1")>
    Public Property TimeSlice As TimeSlice
    <XmlAttribute(AttributeName:="id", [Namespace]:="http://www.opengis.net/gml/3.2")>
    Public Property Id As String
End Class

<XmlRoot(ElementName:="hasMember", [Namespace]:="http://www.aixm.aero/schema/5.1/message")>
Public Class HasMember
    <XmlElement(ElementName:="VerticalStructure", [Namespace]:="http://www.aixm.aero/schema/5.1")>
    Public Property VerticalStructure As VerticalStructure
    <XmlAttribute(AttributeName:="type", [Namespace]:="http://www.w3.org/1999/xlink")>
    Public Property Type As String
End Class

<XmlRoot(ElementName:="AIXMBasicMessage", [Namespace]:="http://www.aixm.aero/schema/5.1/message")>
Public Class AIXMBasicMessage
    <XmlElement(ElementName:="hasMember", [Namespace]:="http://www.aixm.aero/schema/5.1/message")>
    Public Property HasMember As List(Of HasMember)
    <XmlAttribute(AttributeName:="id", [Namespace]:="http://www.opengis.net/gml/3.2")>
    Public Property Id As String
    <XmlAttribute(AttributeName:="schemaLocation", [Namespace]:="http://www.w3.org/2001/XMLSchema-instance")>
    Public Property SchemaLocation As String
    <XmlAttribute(AttributeName:="gss", [Namespace]:="http://www.w3.org/2000/xmlns/")>
    Public Property Gss As String
    <XmlAttribute(AttributeName:="gts", [Namespace]:="http://www.w3.org/2000/xmlns/")>
    Public Property Gts As String
    <XmlAttribute(AttributeName:="gsr", [Namespace]:="http://www.w3.org/2000/xmlns/")>
    Public Property Gsr As String
    <XmlAttribute(AttributeName:="gml", [Namespace]:="http://www.w3.org/2000/xmlns/")>
    Public Property Gml As String
    <XmlAttribute(AttributeName:="message", [Namespace]:="http://www.w3.org/2000/xmlns/")>
    Public Property Message As String
    <XmlAttribute(AttributeName:="adr", [Namespace]:="http://www.w3.org/2000/xmlns/")>
    Public Property Adr As String
    <XmlAttribute(AttributeName:="xsi", [Namespace]:="http://www.w3.org/2000/xmlns/")>
    Public Property Xsi As String
    <XmlAttribute(AttributeName:="adfe", [Namespace]:="http://www.w3.org/2000/xmlns/")>
    Public Property Adfe As String
    <XmlAttribute(AttributeName:="aixm", [Namespace]:="http://www.w3.org/2000/xmlns/")>
    Public Property Aixm As String
    <XmlAttribute(AttributeName:="gco", [Namespace]:="http://www.w3.org/2000/xmlns/")>
    Public Property Gco As String
    <XmlAttribute(AttributeName:="ids", [Namespace]:="http://www.w3.org/2000/xmlns/")>
    Public Property Ids As String
    <XmlAttribute(AttributeName:="event", [Namespace]:="http://www.w3.org/2000/xmlns/")>
    Public Property [Event] As String
    <XmlAttribute(AttributeName:="xlink", [Namespace]:="http://www.w3.org/2000/xmlns/")>
    Public Property Xlink As String
    <XmlAttribute(AttributeName:="gmd", [Namespace]:="http://www.w3.org/2000/xmlns/")>
    Public Property Gmd As String
End Class

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